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Zel's Motoring Adventures...Jag, Citroen, Mercedes & AC Model 70 - 03/12 - Jag MOT Results Are In...


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On 31/10/2020 at 02:22, Zelandeth said:

Today has mostly been sorting this.

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I spy a Microsoft PS/2 mouse!  Nice hand shape on these.

Excellent office/room restructure, it gives me a bit of motivation to get my work area sorted out.  I can well sympathise with the slidey puzzle game.  Living with a chronic hoarder, my life is spent aiming for :

Image result for puzzle slide game

but not getting it...

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4 hours ago, CaptainBoom said:

I spy a Microsoft PS/2 mouse!  Nice hand shape on these

 

I think that one is serial actually... though I do have a couple in PS/2 form too...

The loft is ten times worse than the room, mainly because there's absolutely zero sense of order to it thanks to large volumes of stuff being dumped in there on two separate occasions.  I've honestly no idea what's in probably 60% of the boxes!

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Nothing much been going on with the fleet over the last few days really.  Only thing of note was me taking the Jag out for a gentle trundle to the pharmacy to collect a prescription.  The state of the front tyres means that I've been considering it basically "off the road" until they're changed due to the vibration at speed (they are still legal), but this didn't involve going above 30mph so that wasn't really an issue.  I knew that we were about to be seeing salt getting spread over here, so figured it was the last chance she was going to get for a run before the winter.

It's very obvious that this car has water ingress issues.  There's a load of condensation in there.  I know there's a bit of water getting in through the driver's door, a tiny bit around the windscreen (if I park with the offside down hill), but I think the biggest one is actually through the damned heater.  I thought I'd got rid of that one, right up until the first time I turned right out of the driveway and it decanted what must have been a couple of litres of ice cold water over my ankles.  Leaving the driver's footwell about an inch deep in water - The carpet thankfully was already in the garage because I know some water was getting in.  It was six degrees when I set out.  The water felt like it was about sixty below zero, believe me!  I let out a distinctly un-manly squeak when that happened.

Despite having sat for about a month and a half and being soaking wet inside and out, the Jag fired straight up.  Aside from the heating and ventilation system still stubbornly refusing to actually provide a decent amount of heat (I need to figure out which of the fifty servos is responsible for moving the hot/cold air flap and latch it in the hot position until I properly sort that out) and the brakes being a bit graunchy for the first couple of stops she drove just fine.

I really, really, really wish I had somewhere under cover I could store her over the winter though.  This really isn't a car which is going to weather a winter outside well I fear and I suspect I'm going to wind up with a fair to do list in the spring because of it.  In addition to the already pretty extensive to do list.

TPA hasn't been out this week, mainly because it's been bleeping windy.  Now it's calmed down a bit so I'll probably get her back out and about when I next need to make a run out - obviously just for groceries/pharmacy runs given the current situation.  I'm suffering withdrawal symptoms from not having driven her for over a week though! 

Not a huge amount of visible progress has been made with regards to the major workstation and room, a lot of the things which have been going on have been behind the scenes.  Cable management etc.

Did make one major upgrade though, having found a small offcut of board which was by complete fluke the exact size to fit between the right hand edge of the desk and the wall.

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Finally...I can actually have a turntable set up in my own space.

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That's actually a very sturdy base it's sitting on.  It's anchored securely to the wall on both sides, as is the (very heavy) desk, so I don't expect to have any issues with it jumping around if I'm walking around.

Turntable is nothing special, just an Audio-Technica AT-LP60USB.  It's nothing special, but in the same breath I've found there to be absolutely nothing wrong with it.  I can't hear any difference whatsoever between it and the Sanyo or Sony ones I've also got, or the horrifically expensive one that a friend has.  It does the job.  Just glad to be able to listen to my vinyl in here now too...silly little detail (and utterly pointless in a lot of ways given 99.9% of the music I have access to on Spotify anyway), but it makes actually using the workstation more pleasant.

I've been ignoring the fleet a bit...so I need to fix that this coming week.

[] Invacar.  Actually just wants some use now.

[] Xantia.  Desperately needs the rear spheres changing.  Timing belt is due.

[] Van.  MOT is now out, in hibernation till spring.

[] Jag.  Laundry list of things needing done (it's an 80s Jag, or course there is), but also basically in hibernation till spring.  MOT isn't up till January though, so I was planning to get it in for a test to see if there's another to do list there...however lockdown has scuppered that plan.  The thing I really want to take a look at in the very short term though is see if I can stop the blasted water getting into it...Then fix my dehumidifier and get the interior properly dried out again before it starts going mouldy (again).

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Decision made.  Jag isn't getting abandoned on the drive until spring entirely.

I can get a pair of general purpose Nankang tyres in the 205/70 15 size that's currently on there fitted for £65 each.  That will get the car back into a safe and drivable state - bearing in mind they're replacing 17 year old, unevenly worn and badly out of round Corsas I'm not going to quibble over the 10mm size difference to spec.  I'd not have known had I not looked in the handbook anyway.  I'll then get it stuck in for an MOT at either my usual or another known classic friendly garage and see if that leaves me with anything else other than my current known list.

In the spring, assuming everything else has been sorted without incident (and the MOT tester doesn't condemn the car!) I'll then look to get a full set of Vredstein Sprint Classics in the correct 215/70 15 size fitted.  I just really don't want to drop the best part of a grand on tyres until the car's got a year's ticket on it.  Especially knowing that if the rear brakes need any work that at today's labour rates you're probably going to be looking at a quote starting at £500 before they've even picked up a spanner.

Once it's got some serviceable tyres on and the front discs/pads changed she can come out on the occasional dry day through the winter.  Given that I don't have any covered storage that's probably honestly better than just leaving the car sitting for the next three months.

I do need to dry the damned interior out though and try to resolve the water ingress issues!

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  • Zelandeth changed the title to Zel's Motoring Adventures...Jag, Citroen, Mercedes & AC Model 70 - 06/11 - Jag Winter Plan...

All right...time to quit procrastinating and actually attack the to do list.

Biggest urgent item is to try to stop the Jag filling up with water.

This has been a pretty sunny day, it's obvious there's standing water in there.

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While I had pulled the front carpet out on the offside I'd not touched the rear.

Oops.

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Yep... that's been holding on to a bit of water.

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I punched out the plugs in that vicinity to allow the water to drain from the car for now.

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I wanted to take a closer look at the rear to make sure we didn't have signifiy amounts of water getting in through the rear window so pulled out the rear seat.

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Mercifully bone dry (aside from a little bit if condensation).  I did peel back some of the sound deadening to make sure water wasn't hiding behind it.

The nearside floor was a little damp but not actively wet.  Nevertheless I've removed the carpets and taken them inside for now.

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One of the main areas I knew water was getting in was via the heater.

I had it in my head that I'd already checked the scuttle drains though the evidence found today suggests otherwise.

Hard to see here but this drain is full of water.  A pint or so ran out of the heater intake box when I pulled this off.

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When I went and blew it out with the hose it ejected a good 4" long plug of decomposing organic matter which I suspect has been in there for a good number of years.

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Hardly surprising I was having water ingress issues.  Hosing down the heater intake once this had been cleared out didn't result in any drips inside the car, so fingers crossed this has solved that!

The other issue I had had with the heater were twofold.  Firstly was a stubborn refusal to reliably blow hot air and secondly a continual cold draugt oh my left knee.

I think there are two issues here.  Firstly is that something is amiss with the control logic  and/or the Heath Robinson collection of motorised cams and vacuum actuators which control the heater assembly.

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The level of complexity and lack of access look like fun!

I was hoping to figure out what's where when it's blowing hot then be able to temporarily lock it in that position...however you just can't see or get at it well enough.  I'll need to fault find the control system I think.

I quickly discovered that the blue thing which is the plenum sitting between the heater blower and the box containing the heater matrix were not actually attached to each other.  You can see there's a good 1/2" of a gap at the end of the ducts.

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The moment I touched this it just fell out.  Wasn't attached at the top either.

This turned out to be Rather Annoying.

Turns out getting his thing back into position is *really* awkward.

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It needs to bridge the gap between the stubs arrowed in this image.

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After somewhere between three and four hours of arguing with it while literally laying upside down in the footwell I gave up for the day.  I just cannot for love nor money get the plenum to fit over the rectangular stub on the blower.

All the guides to servicing or replacing the blower motors seem to suggest attaching it to the blower before refitting it.  So I'll probably need to get the whole blower out.  Yay.

I guess on the plus side it was going to have to happen eventually to sort the speed controller anyway...but I was hoping to make this a quick job!

Patience is definitely something you need working on these cars!

Edited by Zelandeth
Fixed some truly special autocorrect blunders...
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  • Zelandeth changed the title to Zel's Motoring Adventures...Jag, Citroen, Mercedes & AC Model 70 - 07/11 - Jag Heater Investigation & Water Ingress Solving...
3 hours ago, Tepper said:

Heater boxes are the worst thing ever, I feel your pain!

Yep.  This I think has to be the biggest pain in the tail I've come across for just getting one sodding rubber pipe on.  I was under there for at least three hours fighting with it today.  If they'd just used a round rather than square connection it would be fiddly but fine.  With the square one it's just difficult for the sake of being difficult.

Thought I'd had a brainwave by taking the instrument panel out... however there's a stinking great wiring loom and a brace for the steering column in the way so it actually gains you precisely nothing.

I really don't want to have to mess around dropping the steering column etc.  Especially given Jag have an obsession with using fifty different types of fastener for everything.

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8 hours ago, adw1977 said:

Wow, almost everything on the XJS looks frighteningly complicated and really hard to get at.  But it is a lovely looking car once it's all assembled!

You've basically just summed the car up in two sentences!

Speaking of complicated, have we ever mentioned the rear suspension?

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Nothing on this car is simple. 

Bearing in mind that it was raining this morning, walking up to the car and finding only this by way of signs of condensation definitely seems a positive indication compared to yesterday...

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Footwells are bone dry save for a bit of residual damp from the annoyingly glued in place carpet I can't remove.

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I'd really like to get my dehumidifier set up in the car and leave it running for a few days to get the carpets I can't remove etc properly dried out, sadly the fan on it has seized so I need to pull it to bits to revive it at some point.

I only had half an hour today before the daylight failed, so was mainly checking for signs of further water ingress...however while I was there I snapped a few photos mostly for my own benefit, but also to help demonstrate how much stuff is crammed in behind the trim panels in this contraption for those who haven't worked on one.

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The black rectangle attached to the blower body is one of about half a dozen fuse boxes scattered seemingly at random around the car.

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Pulled the instrument panel yesterday to see if that would give me better access to get that annoying plenum back in place...the answer being "no" unless I want to remove the brace holding the steering column to the bulkhead. The blue thing several layers back is the offending item I'm trying to get back into where it lives. Even with that bracket out the way I don't think it would help me much as that wiring loom behind it is as solid as a rock.

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At least getting the instrument panel out is pretty easy courtesy of it being a fully electronic panel so there's no speedometer cable to worry about and the reach adjustment on the steering wheel means getting it out of the gap is easy enough.

The moment you look down however you get to see the haphazard mess of relays in the general vicinity of the fuse box. Not sure if these were originally clipped in place some how...

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Despite the penny pinching, nice to see they didn't skimp on RF suppression on the brake light switch!

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Though I get the impression that switch probably contains 50% more moving parts than is really necessary.

In the passenger's footwell there's a second fuse box, another blower assembly and more relays. Some nice and neatly clipped in by the fusebox...others just...well stuffed behind the trim seemingly at random.

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The whole push/pull arrangment for the bonnet release/lock means even the handle for that is overcomplicated.

Had wondered how far up the HVAC assembly I could see from down there...answer being "Not very" I think, so I'll probably need to pull the glove box out if I need to get to anywhere up there.

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Just noticed looking at the photo, I do indeed spy an old Econocruise control box...there's a blast from the past.

It seems to be the same story basically behind any bit of trim you remove in this car...there's just "stuff" behind everything, including in the boot (which is where the injection ECU lives).

I think the HVAC control system probably gets the award for most overcomplicated design though. I mean you couldn't just have stepper motors, tiny servos or vacuum control...you had to have ALL of the above in one unit...I'm sure it made sense to somebody!

EDIT: Tyres have been ordered.  Hopefully a fitting slot will be available sooner than later.

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  • Zelandeth changed the title to Zel's Motoring Adventures...Jag, Citroen, Mercedes & AC Model 70 - 08/11 - Jag Tyres on Order...
3 hours ago, MorrisItalSLX said:

All of these early-mid 80s Jaguar under dash shots are given me cold sweats.

Have you found any hidden in-line fuses yet? They’re my favourite. Especially the ones not on the wiring schematic.

Oh yeah, they're all over the car.  There are at least three visible in the photos above. 

The wiring diagrams I've found so far are about as much use as an ashtray on a motorbike as they changed bits of the loom about every two weeks.

Think I may have found a smoking gun with regards to the slight but annoying damp that seems to be getting into the Xantia (just enough to make the windows instantly steam up whenever it rains).

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Will pull and re-seal that tail light and see if that cures it.  All of the water off the rear of the roof and tailgate runs over here and there's a seam between two panels under the seal so it's a prime candidate for water ingress.

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4 hours ago, MorrisItalSLX said:

All of these early-mid 80s Jaguar under dash shots are given me cold sweats....

I mean, where do you even begin with that type of thing? The Minotaur's Labyrinth was nothing compared to Jaguar wiring!

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1 hour ago, Tadhg Tiogar said:

I mean, where do you even begin with that type of thing? The Minotaur's Labyrinth was nothing compared to Jaguar wiring!

Just for fun it uses the old school glass fuses just to ensure you've got the maximum possible possible points for contact issues!

The thought does occur I should probably have checked which ones are relevant to the HVAC system and given them a wiggle before I started looking for other issues.

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4 hours ago, Zelandeth said:

Just for fun it uses the old school glass fuses just to ensure you've got the maximum possible possible points for contact issues!

Let’s not forget about the Lucas bullet connectors, which provide an electrical connection on par with a scotch-lock or a bulldog clip.

It’s a miracle anything works on these cars anymore.

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1 minute ago, MorrisItalSLX said:

Let’s not forget about the Lucas bullet connectors, which provide an electrical connection on par with a scotch-lock or a bulldog clip.

It’s a miracle anything works on these cars anymore.

It looks like a feckin' nightmare, and that's coming from someone who entrusts his weekend driving to the quality* of Citroën wiring. 

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Today we started out with this.

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I put enough of the interior back together to make a trip out not downright uncomfortable.  After a brief stop for fuel (having ascertained thanks to SiC that Esso Supreme+ is indeed ethanol free) we made our way over to the garage to which my tyres have been  delivered.  They couldn't fit me in today...great.  Why did you let me book the appointment then?  Fine...grabbed the tyres from them and made my way over to Formula 1 in Newport Pagnell, who are who I'd normally have used in the first place. 

They didn't flinch at being asked to fit tyres that were sitting on my passenger seat, and didn't even need to be prompted to jack the car up under the front subframe rather than the sills and spent a good 15 minutes looking up the torque spec for the wheel nuts as I forgot to note them down beforehand...that's why I like them.

Yep...I was indeed correct that I had scrubbed a huge flat spot in them when someone basically launched themselves at me when I was in the outside lane of a dual carriageway.  That's the last time the car moved (aside from a 0.5 mile 20mph trundle to Sainsbury's) until today.  I'd really rather have had the tyres delivered and fitted at home but I just couldn't find anyone with availability and the tyres I wanted.  I really didn't want to drive across town like this.

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Even prior to this event they were worn on the shoulders, courtesy of having something like 10 degrees of toe out for goodness only knows how long.  In addition to that they're unevenly worn and hugely out of round.

While the wheels were off I was able to take a look at the brakes.

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Pads don't have much meat left on them but they're about to be changed along with the (warped) discs so I'm not worried about that.  Pipes all look nice though and the hoses are obviously pretty new.  Ferrules are spotless and they're nice and supple.

Few minutes later the wheels were back on.  Oh doesn't this look better?

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Now as I had only put half the interior back together I discovered a slight flaw in my plan when it got dark, the offside kick panel isn't back in...that panel contains the dash lighting rheostat.  So I had no dash illumination.  As such I just made the trip directly home from the garage.  This isn't a good car to be lacking a speedometer in...

Initial impressions: I hate to sound overly dramatic but to say the car feels utterly transformed is accurate.   I had always had suspicions that the whole front end alignment might be out given that the car had always pulled quite strongly to the left...but equally knowing the tyres were so utterly knackered that I knew it wasn't really possible to make a proper judgement.  I'm glad to report that she now tracks almost perfectly straight.  There's still a *very* slight pull to the right under braking, but it's slight enough I'd not be worrying about it, and as I've got work to do on the brakes anyway I'll see how things are then.

The horrible vibration above 50mph is completely gone.  There's still a tiny bit of vibration through the car (not the steering wheel) at exactly an indicated 70mph, but I reckon that's a rear wheel balance issue as there's evidence of one having thrown a weight at some point.  To be honest it's slight enough it could be almost anything in the drivetrain in a car of this age.  Not going to worry about it.

Seems quieter too, but a bit hard to say as I had to keep the windows open as half the heater is in bits...and the exhaust isn't exactly quiet!

Seems way happier though.  I need to get a couple of things picked up tomorrow so if it's dry I'll try to get her out for a proper test drive.

Can get her booked in for an MOT now too...no way I was taking a car into an MOT at my usual garage with those tyres on, I'd never have been able to show my face there again!

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  • Zelandeth changed the title to Zel's Motoring Adventures...Jag, Citroen, Mercedes & AC Model 70 - 12/11 - New Tyres on the Jag...

Between picking up meds, pet supplies and some service parts for the Xantia I wound up covering about 70 miles in the Jag.  Few points.

[] Your feet get BLOODY COLD when the blower isn't attached to the heater on that side, even when the blowers are off.  I blanked off the ports on the heater box to stop the air from the other side blowing straight out, but couldn't get at the blower outlet itself to do anything like that.  We'll see if I have enough patience available tomorrow to actually pull the sodding blower out to reassemble things.

[] I had forgotten how bloody lovely to drive this car is.  I had been idly pondering whether I might think about selling it on when (if) the classic car season gets underway next year.  The amount of swearing going on over the last week while attempting what should be simple repairs may have influenced that somewhat.  That all went out the window as soon as I got onto an open road today and got back into full waft mode...

[] While it's fun...the exhaust is probably a *bit* on the loud side.  Realistically what this system wants is the rear deresonators to be refitted and the front mufflers to be replaced with either freer flowing ones or them to be deleted.  That way you'd get more of the V12 wail at the top end and less resonance.  It's absolutely fine on the open road, but you are *quite* aware of how loud it is around town.  Especially as one of the loudest resonance points is about 1800rpm.  You pass through that area a lot when travelling at 30/40.  You also get some wicked standing wave effects about 10 feet away from the car when she's on the fast idle for the first few minutes - to the extent that it's almost uncomfortable to stand there.  Move a foot towards or away from the car it's way better...Welcome to real world wave physics demonstrations kids!

I reckon this system as it stands would suit a V8 just fine, but it's not so well suited to a V12.  Long term that's going to require some thought...and probably an annoyingly large amount of money spending, unless I'm lucky enough to find someone who wants to buy the existing system (including the rear silencers I've still got in the garage)...which ain't likely given it doesn't fit particularly well at the rear end.

[] MPG readout was steadily ticking up the whole time we were out.  The average has been running for about the last 1200 miles, and was showing 11.8MPG when we set out today, it was up to 12.4 when I got home.  That seems to tie in with what I've been feeling since the new tyres were fitted.  The car *feels* quicker and definitely seems to roll more freely...stands to reason that would be reflected in the fuel economy.  We'll see after a couple of fuel ups.  I know the trip computer tends to very slightly under-estimate MPG because of the tyre size mismatch (we're running 205/70 15s rather than 215/70 15s).  My average over the same distance had been sitting at just under 13MPG as I recall. 

Yes, small gains...but with this car you take what you can get!  I knew full well what I was getting into though and couldn't honestly care less about the economy.  If you can't afford the ticket, don't climb on board.  I'm not going to complain if it improves a bit though.

[] Brake imbalance.  Now the tyres have had a little more air put in (we're at 32psi at the moment) she is actually pulling up perfectly straight...so I'm not going to worry about that unless I find anything obviously amiss when I go in to change the discs/pads.

[] Vibration at speed.  We do definitely still have a bit of a vibration at speed...doesn't always seem to be there though.  I'll drop back by Formula 1 and get the rear wheels balanced first and go from there I think.  It's a cheap thing to get done and will give me an opportunity while the wheels are on the balancer to make sure they're not out of round (wheels or tyres!) or anything daft like that.

The car in general feels a whole lot happier now.  The ride is massively better (and has made me realise how bad the Xantia has got in the last few weeks) and it actually feels like the steering wheel is attached to the front wheels now.  Admittedly very, very distantly but that's what you expect on a car like this.  There is actually grip available now, while she's never going to corner like an Aerial Atom it's possible to hussle through the twisties far better than you'd expect for a 1700kg barge (with going on 500kg of power unit up front!) from this era to be able to.  I think the exact blend of handling versus comfort that Jag chose for this car is one of the reasons I like it so much.  They've definitely leant towards the long-distance touring comfort side of things, but haven't gone the full Rolls-Royce and removed all ability to attack a windy road with gusto when the circumstances are right.

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I see you've gone for a pair of Wankangs.  Let us know how  you get on in the wet.  I've got a car that got a set of four Falkens on it last time, but they seem to have elevated their brand to the more familiar 'names' category. And a really now priced accordingly.

  So, this time round, the car is going to get someone from the ditchfinder category.  

Mind you, compared with the covers that you have replaced, the Wankangs are going to feel like a pair of Meeshalins 

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2 hours ago, Isaac Hunt said:

I see you've gone for a pair of Wankangs.  Let us know how  you get on in the wet.  I've got a car that got a set of four Falkens on it last time, but they seem to have elevated their brand to the more familiar 'names' category. And a really now priced accordingly.

  So, this time round, the car is going to get someone from the ditchfinder category.  

Mind you, compared with the covers that you have replaced, the Wankangs are going to feel like a pair of Meeshalins 

To be fair the only reasons there were chosen were the price being right and that they were one of a very small selection I could find in this size that weren't specifically designed for SUVs or vans.  They seem reasonably well reviewed too...not special but perfectly decent which is fine by me.

As it is they'll probably only be on there six months or so as I really want to get the correct tyres fitted, given they're bleeping expensive though I'd rather have the uncertainty of my first MOT of a 35 year old Jag behind me first!

I've never been that impressed with Falken tyres the couple of times I've used them.  Poor ride and rapid wear being the universal characteristics I recall.  Normally I use Uniroyal RainExpert tyres exclusively...but they're not available in the size I need for the Jag (except in an XL rated SUV version), hence my current choice.

Have to admit that price isn't something I usually look at too much when buying tyres.  They're such a safety critical item that I'd always rather stick with a line which has earned my trust (eg the RainExpert range which I've used since 2003) or at least a brand with a reasonable reputation and seeing some decent reviews if I need to use one I don't know.

Given the current complete lack of a functioning windscreen demister she's not going anywhere in the wet...and being honest I try to avoid taking the car out in the wet anyway.  Initial impressions in the dry and slightly damp are decent enough though.  There is half a tonne of engine sitting on top of them though so I can't comment on how they might behave on a lighter car...

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The falkens you fitted onto thaxantia td that eventually ended up with me weren't the best Zel. Very slidey in the wet. The car was improved massively with the different wheels with vredestien front and rain expert rear. Rain expert are the tyres of my choice just now.

Sent from my SM-T585 using Tapatalk

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1 hour ago, Christine said:

Do the tyres need to be VR speed rating for an mot ?

I don't think they go further than making sure they're matched sizes on an axle as far as the tyre type goes, probably also ensuring they're not wildly inappropriate for the wheels.  It's had H rated tyres on since 2003 at the most recently anyway...

In the real world what's on there now will be absolutely fine and the vast majority of people wouldn't even notice they weren't standard.  It just bugs my OCD more than anything.  Plus I know the tyres I'm wanting to fit are specifically designed to behave like they used to with regards to having nice compliant sidewalls...not great for Nurburgring lap times, great for comfort.  Guess which I'm most interested in...

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57 minutes ago, Daviemck2006 said:

The falkens you fitted onto thaxantia td that eventually ended up with me weren't the best Zel. Very slidey in the wet. The car was improved massively with the different wheels with vredestien front and rain expert rear. Rain expert are the tyres of my choice just now.

Sent from my SM-T585 using Tapatalk
 

Yep, that echoes my experience.  They weren't bad in the dry, but never had great wet grip.  I only fitted those because we had a voucher for that garage offering 50% off, but as they're a Falken centre that was what I had to chose from.

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Well this is today's mystery!

This just dropped through the letter box.

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IMG_20201114_174341.thumb.jpg.729e5b5163b7282997b91d1ec8e88a2a.jpg

Looking up the part number, that shows to be one of the coolant lines that attach to the (pressurised) expansion tank on the Jag.

The interesting thing is that I haven't ordered anything from British Parts in several months, and I'm pretty sure that this was indeed part of the full replacement hose set that I bought when I got the car and has already been replaced.  So why they've sent me another one I've no idea.  If there's an issue with the originals or something like that you'd have hoped that they might have included a note in the package to tell you...however what you see is the entire content of the package...The pipe and the flier it's sitting on.  Might need to send them an email!

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  • Zelandeth changed the title to Zel's Motoring Adventures...Jag, Citroen, Mercedes & AC Model 70 - 14/11 - Mystery Part Delivered...

Yesterday I had actually planned to get a couple of things done.  However circumstances conspired otherwise when first thing in the morning I got a report that water was dripping into one of the upstairs bedrooms around the window frame.  This wasn't a massive surprise as I knew we had very occasional issues with water getting into that wall cavity when there was really heavy rain and a strong southerly wind - however it turning up upstairs was a new development.  Previously I'd had no luck actually tracking down evidence of the source, and had always chalked it up to issues with the flashing on the conservatory.  I had to admit I was never fully happy with that diagnosis though as given how things were fitted together I'd have expected the water to appear in a slightly different location if that were the case.  The conservatory *does* leak like a sieve in a few locations, and getting that sorted has been an absolute pain.  Nearly got it done last year before the scaffolding contractor we were speaking to dropped off the grid right as we tried to get things ordered.  However it's an unusual structure so getting anyone to work on it is hard.

Last time I was looking for possible sources of the leak I'd removed a bit of the insulation in a few areas to help potential future detective work.

Worth noting that what looks like clear sky in the photos below isn't...the camera makes it look far brighter than it is, it's looking into the void behind the roof soffit.

This is looking directly up at the edge of the roof more or less directly below where I'd been told water was coming in.

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Nothing forming as much of a smoking gun as a soaking wet area would have been...but something did catch my eye.  At this point I can honestly do a proper CSI style "zoom and enhance" moment...I used to think having optical zoom on a phone camera as a useless gimmick.

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Oh hello there.

Now I know under normal circumstances there shouldn't really be water on the back of that felt as it's pretty much a last line of defence...however my theory is as follows.

I'm assuming that between the raised soffit (which is formed of blocks of some sort screwed to the roof edge (the retaining screws are what you can see in the above photo) made of either concrete or asbestos I'm guessing) and the roof that there will be flashing of some description.  Sadly I have no way of actually seeing this join as due to the layout of the house and surrounding area there is nowhere that I can get line-of-sight of the back of the front roof edge.  If that flashing were compromised, it would let water get in through the edge there, possibly getting in between the tiles and the felt.  Could be made worse if there was any compromise of the mortar between the blocks that form the facade there...Wait, like this?

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The screw you can just about make out to the right of the visible hole there is the one you can see in the interior photo above.

On the plus side, these are all things which we'll hopefully be able to get a normal roofing specialist in to look at and deal with as it's less specialised than the big double-height conservatory.

In addition to the above visible things I noticed that where the weatherproofing felt on the outer side of the wall panel should wrap up around the top to provide a barrier against any moisture which might through the action of wind etc find its way into this area was quite degraded right above where we'd had the ingress issues.  Just too many coincidences for my mind.

So...this week I'll be adding "try to get hold of a roofing specialist" to me to do list. 

In the meantime I wanted to patch up what I could actually get to and basically see if it changes anything next time we have biblical rain like we did on Saturday night.  Will be making a point of getting up here next time that happens rather than complaining that it's 5AM, sticking some towels down where the drip was appearing and burrowing back into bed, so as to hopefully get some visual confirmation.

Step 1, patch the hole in the felt.  Longer term it will need to be replaced - but that's not a job I can do.  I can however blob a bunch of Sikaflex onto a bit of plastic sheet and stick it in place.

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Then scavenged what I could find laying around in the loft to wedge it in place while that cures.

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Last thing I did was to patch up the cracks in the edge of the weatherproofing sheet that I could see/feel along that edge.  Access is poor as this is helpfully right behind the heating expansion tank of course.

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We'll see if anything has changed next time it rains heavily.  Makes no difference to the fact that we'll be getting a specialist in as soon as possible to look at it, but hopefully might have helped something in the interim.  Time will tell.  Just hoping that whole soffit attachment board doesn't need replacement.  I did give it a good old bash with a screwdriver and it felt just as hard as the wood around it so hopefully it's not rotten...watch this space I guess.

There are times when home ownership really does have its downsides.

This afternoon I'll hopefully get the interior in the Jag more or less back together.

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  • Zelandeth changed the title to Zel's Motoring Adventures...Jag, Citroen, Mercedes & AC Model 70 - 15/11 - Household Bodging Gets in the Way...

Back to battling with the world's most overcomplicated HVAC system in the world's most overcrowded cabin.

While I know the system has some issues, I'm reluctant to go doing stuff like pulling blowers and the whole system to bits until I've seen how it behaves with air actually going through the heater box rather than just all bleeding out behind the driver's side trim panels.  However before I could really test anything I need to get That Bloody Plenum back on.  This thing.

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Which after four separate attempts probably amounting to four or five hours, I'd basically decided was impossible to get into place as it stands without removing the offside blower motor and attaching it to that first, then wrestling the whole lot into place as one.

However because Jaguar are Jaguar they've bolted a shedload of stuff onto the blower motor because it was a convenient flat surface. 

Exhibit A: The offside blower motor and (nearly) everything attached to it.

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Which wouldn't be so bad if they had actually used bolts rather than machine screws...to which there's no way I can see if getting a screwdriver to without dismantling far more of the dash.

Just to add to the fun they seem to have used thread lock on them.  Sod taking that out if I can avoid it.

At this point I had a critical patience failure and decided to mutilate the plenum.  A slit in the one end allowed me to get my hand inside it.

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This improved my available dexterity by about 300% and more importantly allowed me to be able to feel when each corner was actually positioned properly.  Sadly this still wasn't successful as it's such a tight fit on the blower.  I kept getting three corners on, but the opposite one would always pop off every time I tried to get the last edge on.  So I hacked the thing actually in two and made up a sleeve to rejoin them together.

It still took half an hour of swearing to get in because it's a *really* snug fit on the blower assembly...but eventually it was attached to the blower again.  I then patched things up with ally foil tape, which I'll cover with duct tape tomorrow for mechanical support.  Given how tight it was to get the hose onto the blower there's no way I'd have got it together without doing this or taking the blower out.

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Less said about that the better, but it's sealed and buried behind a trim panel...so I'm not caring it's messy.  Access is just so poor that making it pretty just isn't happening.

With this back together and it set to demist, suddenly we had toasty warm air to the windscreen and plenty of it.  Previously we'd had lukewarm and poor flow.  We actually seem to have controllable temperature too which is progress.

Next port of call will be the blower speed control relay as I still only seem to have a blower on full speed - though on auto I did get a medium-ish speed once (there are four speeds)...so the speed control relay is due a contact cleaning session I reckon.

However now the windscreen wipers have stopped working...ah, Jag life.  Given I've been working in the vicinity of it hopefully it's just a dodgy fuse contact.  Given the heavens opened half way through fitting the plenum, that's a job for tomorrow.  I want to go through the fuse boxes anyway as it appears that there have just been replaced completely at random.  This one should have been a 3A one...

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So I want to make sure they're all replaced with the right values. 

This dropped out of the passenger side fuse box when I took the lid off too...this sort of thing instills confidence doesn't it!

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Hoping that was a "get me home, my headlights have failed" type fix.  It wasn't fitted, just rattling around behind the lid (no doubt just waiting to short things out)...I do note there's one dodgy contact in that fuse box too, so may look into replacing it.  At least it's a small fuse box.

IMG_20201116_152318.thumb.jpg.c450ff77681e9001617755d5feed2169.jpg

Note another incorrect fuse there...another 17A where it should be 10A.

Oh the joys of automotive electrical gremlins...

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  • Zelandeth changed the title to Zel's Motoring Adventures...Jag, Citroen, Mercedes & AC Model 70 - 16/11 - Jag Heater Back Together...
  • Zelandeth changed the title to Zel's Motoring Adventures...Jag, Citroen, Mercedes & AC Model 70 - 03/12 - Jag MOT Results Are In...

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