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Fumbler's Crocks- Brakes Again


Fumbler

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There's a lot to be said for light weight and good aerodynamics.

I wouldn't worry too much about a little bit of oil weeping from the head, the TU engines do tend to do that, especially from the offside rear corner.  If the engine is behaving otherwise I'd leave it well alone.  Just clean it up before the MOT!

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8 hours ago, Zelandeth said:

There's a lot to be said for light weight and good aerodynamics.

I wouldn't worry too much about a little bit of oil weeping from the head, the TU engines do tend to do that, especially from the offside rear corner.  If the engine is behaving otherwise I'd leave it well alone.  Just clean it up before the MOT!

The amount of oil on the block and the fact it consumes oil to the point of needing to be topped up was a cause for concern. The distributor also leaks, so I should probably fix that at some point considering how easy it is.

I had the car booked in to Chevronics already so they could have a stab at fixing the ride height. They suspect the valvestem seals aren't sealing anymore, which would be a possibility because the cylinder head, oil baffle, cam followers, camshaft and valve assembly are all grimy and original. It'd explain the white smoke, too.

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Update. White smoke has disappeared. The manifold-to-heater pipe has a leak in it which is why I had to refill with coolant- there's plenty of slack in it so there's always room to cut off the bad bit. That being said, running a new section of pipe wouldn't go amiss.

Still loving the extra powah. I had to re-tune the carb because I had the vacuum advance connected to the wrong place. There's a port on the baseplate of the carb on the front, connected to the secondary choke. It operates when at full throttle. I think it was for the throttle pulldown that I removed but pictures online show it being used for many different things. Regardless, I connected the vac advance to the correct opening and blanked the spurious port off. The car ran like shit (because without the port being open it was running super duper rich) so here we go again with fiddling with the idle mixture etc. It took around a lunchtime of work but it's operating goodish, so that makes me happy. I'm ordering a rebuild kit for it because the lid gasket isn't a lid gasket anymore. I'm sure the O rings are shot and the used power valve and accelerator pump could do with renewing.

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I'm seriously considering getting my BX transported to them for an assessment and unless it's totally condemned on other grounds just having them drop the rear subframe and replace any and all hydraulic lines with issues.  Plus anything else they find that's likely to be pushing the limits of a driveway repair between the car and an MOT.

The bill would sting that's for sure (I'd be budgeting somewhere in the region of £750 in my head), but given their experience it should be a hell of a lot quicker a job for them than your average back street garage. 

Just really would be nice to actually make some real progress...and my admittedly so far limited experience with them when I picked some parts up from them a couple of months back just gave the feeling of them being the sort of specialists I'd like to support.

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2 hours ago, Zelandeth said:

I'm seriously considering getting my BX transported to them for an assessment and unless it's totally condemned on other grounds just having them drop the rear subframe and replace any and all hydraulic lines with issues.  Plus anything else they find that's likely to be pushing the limits of a driveway repair between the car and an MOT.

The bill would sting that's for sure (I'd be budgeting somewhere in the region of £750 in my head), but given their experience it should be a hell of a lot quicker a job for them than your average back street garage. 

Just really would be nice to actually make some real progress...and my admittedly so far limited experience with them when I picked some parts up from them a couple of months back just gave the feeling of them being the sort of specialists I'd like to support.

I like your thinking. A lift is a godsend especially with leaky rear pipework. I'm also pretty sure they'd be interested to work on a mk.1 base too (I'm still on the lookout for a rear bumper, I may have found one in Holland).

PXL_20211029_111239985.thumb.jpg.06177d6e2b605091073d788b9d8ef149.jpg

The brake pipes aren't all that accessible without removing the exhaust, but, with that removed, all the hydraulic components are easy to access. That area certainly does look like a good place to trap mud and leaves. You can barely see the coiled lines on either end of the axle tube. Every single line on this car, including these, were smothered in grease. I think the original owner knew about Citroen and their steel hydraulic pipes.

On the list for Chevronics at the moment is:

  • Diagnose oil leaks and cause for it consuming 1L of oil every 300 miles
  • Fix dash bulbs
  • Fix suspension ride height selection issue
  • Set correct ride height and make sure all 4 settings work reliably
  • Examine rear spheres
  • Verify hydropneumatic system is working correctly
  • Check coolant system
  • General look-over
  • EDIT add coolant change because the coolant in there is falling out and is a bit too watery.

I'm going to drive it up there and leave it with them. A train ride back isn't expensive at all. The bonus is that I'm in no rush to get it back so they can keep it for as long as they desire*

I'm rather glad that the white smoke has gone, making me suspect the cylinder head needs re-torquing down. It's very wet underneath.

I'd love to do a side-by-side comparison between the two one day. The Mk.1's bonkersness fascinates me, as does the engine.

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I've already replaced the brake caliper to centre pipe with the coil on the nearside as I thought that's where the leak was...however turns out it's the main feed to the rear brakes.  It's gone somewhere up above the frame where I can't even *see* it - there's just a fine mist of LHM spraying on the underside of the floor when the brakes are applied.

A fair few lines look past their best in the general vicinity.

IMG_20211123_180500.thumb.jpg.6e36ee45689031cea362e27c462ded64.jpg

I'm not handing them the car and a blank cheque, but equally I'm going in knowing it's a big job and prepared for that, not going "but it's just a pipe!" and expecting it to be fixed for £50.

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5 minutes ago, Zelandeth said:

I've already replaced the brake caliper to centre pipe with the coil on the nearside as I thought that's where the leak was...however turns out it's the main feed to the rear brakes.  It's gone somewhere up above the frame where I can't even *see* it - there's just a fine mist of LHM spraying on the underside of the floor when the brakes are applied.

A fair few lines look past their best in the general vicinity.

IMG_20211123_180500.thumb.jpg.6e36ee45689031cea362e27c462ded64.jpg

I'm not handing them the car and a blank cheque, but equally I'm going in knowing it's a big job and prepared for that, not going "but it's just a pipe!" and expecting it to be fixed for £50.

Oof the ARB collar for the height corrector looks a little crusty. They'll find the duff pipe- if that's the only leak you've suffered so far you've done quite well. I wonder what the front strut returns look like?

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5 hours ago, Zelandeth said:

 my admittedly so far limited experience with them when I picked some parts up from them a couple of months back just gave the feeling of them being the sort of specialists I'd like to support.

That's my feeling as well, although only with parts purchases. Yes, they are pricey, but they put money back into getting obsolete parts remade. I'd rather they make enough money to stay in business so I can buy that obscure part I may need in a year's time, than stock up on every NOS part I see on eBay just in case I need it!

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10 minutes ago, mat_the_cat said:

That's my feeling as well, although only with parts purchases. Yes, they are pricey, but they put money back into getting obsolete parts remade. I'd rather they make enough money to stay in business so I can buy that obscure part I may need in a year's time, than stock up on every NOS part I see on eBay just in case I need it!

This 100%

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  • Fumbler changed the title to Fumbler's Crocks- Brakes Again

PXL_20211127_144353450.thumb.jpg.5f5d03d3f70c2e12ad2da76ff4954e4a.jpg

Changed the offending caliper. Took all of 15 minutes, making it the quickest maintenance job I've done to date!

PXL_20211127_151816680.thumb.jpg.fb10e5599605f21df577b44643b5ff7b.jpg

The Ovlov followed me home in case I ended up dying a fiery death thanks to the brakes completely falling apart.

Fortunately, I, including the car, didn't die.

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