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New Motor, 9-5 Aero HOT :)


Barry Cade

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I've got Wurth WOW and a knock off Delphi software on an old XP laptop which are both very good with 9-5's. Can do quite a bit. Not as good as Tech 2, but very handy for most things.

Thanks for the offer of the use of Tech 2 Saabnut!

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Yeah, Not my first Saab or my first 9-5 so know all about the DIC and crank sensor issues- will have to pick one up as backup! The Aero was the big cheese back when mine was new, but now some diesels midrange takes you by surprise, I still remember the big hoo ha when the Cosseh had a massive 204 BHP from 2 litres... over 100BHP per litre..... not even worth mentioning now.. I think the Charade GTti was first to 100bhp per litre on a production car?

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The Aero was the big cheese back when mine was new, but now some diesels midrange takes you by surprise, I still remember the big hoo ha when the Cosseh had a massive 204 BHP from 2 litres... over 100BHP per litre..... not even worth mentioning now.. I think the Charade GTti was first to 100bhp per litre on a production car?

I know what you mean. I was quite happy when I realized my E46 330d had the same bhp as the first Cossie, then mildly depressed when I remembered it was a diesel estate.

 

There'll also be a load of boring modern diesels that'll show my S4 a clean pair of heels but such is life. Enjoy what you have.

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It's the auto box on these that let you down on the 0-60 Traffic Light GP. Nothing wrong with them persay, just that modern slush and especially DSG boxes shift incredibly quickly. They also can be floored off the line readily - far quicker than anyone can manage on a manual. While these older boxes slip the TC away setting off and loose a lot of time off the line. Plus on these boxes they're torque limited in 1st and 2nd gear to protect the box - so less power to the wheels.

 

A mate of mine told me a trick that you can turbo auto cars off the line quicker. Hold the brake and accelerator which will stall the TC. However this will also allow the turbo to spin up and give boost off the line + through the first gear change. However doing such things is incredibly hard on the drivetrain and especially the box. Not something to do on a car you want to keep!

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That's lovely... I've thought about these on and off... Still miss my 9000 Aero and 900 T16..

 

Is it just the blocked oil pickup that kills these engines or are there other ways they can self destruct apart from massive extra power?

 

The B234R in the 9000 was pretty much indestructible... 

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That's lovely... I've thought about these on and off... Still miss my 9000 Aero and 900 T16..

 

Is it just the blocked oil pickup that kills these engines or are there other ways they can self destruct apart from massive extra power?

 

The B234R in the 9000 was pretty much indestructible... 

Hard on the brake and accelerator at the same time is an old drag racing thing, and the way to do burnouts on old yanks- usually you would adjust the stall speed to coincide with max torque to hook up just in the sweet spot for a good launch. An old Dana axle and Torqueflite would take this all day. Dunno about an electronic Aisin Warner though...

 

The Aero's suffer less from blockages as they were always meant to use fully synth oil- if they've always been serviced properly then should be OK, usually first sign of trouble is a rattly chain at startup, DI units and crank sensors as mentioned before, and oil leaks. Saab's just seem to sweat oil.Sump drop is worth doing on any 9-5 though, and make sure it has the updated breather system, otherwise they're pretty hardy and can take performance upgrades on a standard bottom end. I'm getting too old to worry about chasing RS'es... so will be staying standard.

 

Mine needs subfame bushes doing...Knock on startup and a slight vibration through the floor at idle. I'll be fitting powerflex bushes- not for the upgrade, just they are a lot easier to do without a garage and ramp..

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I had my sump dropped as a matter of urgency, there was no record of it being done and it was overdue a service by six months (owner hadn't bothered while deciding what to do with the car, ruining its perfect full history in the process) so I figured better safe than sorry.

 

Mine has a little oil weep somewhere but the car doesn't seem to mind and it's only a misting so I'm not bothered fixing it.

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Yay, fixed my headlight washers. Fun to watch, but prefer wipers. Jumped in to nip to the shop for fags. No drive.

 

Let it run for a few mins then drive reappeared. No oil on gearbox dipstick. Oh dear. 3309 fluid on order, no leaks to be seen without stripping down, This could be a happy ending, or maybe not. Hmmm.

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Check for leaks on the transmission oil cooler pipes that run across the front of the car.Fluid level on these is critical so make sure when you fill the transmission that everything is at running at temperature,80c I think,otherwise you will get a very incorrect dipstick reading! My specialist plugged in a Tech2 to monitor the temperature when he changed the fluid on mine.

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Yeah, Not my first Saab or my first 9-5 so know all about the DIC and crank sensor issues- will have to pick one up as backup! The Aero was the big cheese back when mine was new, but now some diesels midrange takes you by surprise, I still remember the big hoo ha when the Cosseh had a massive 204 BHP from 2 litres... over 100BHP per litre..... not even worth mentioning now.. I think the Charade GTti was first to 100bhp per litre on a production car?

I have this problem with ordinary moderns outgunning the 172 but then dome pointed out that I'll be having a lot more fun than them!

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Check for leaks on the transmission oil cooler pipes that run across the front of the car.Fluid level on these is critical so make sure when you fill the transmission that everything is at running at temperature,80c I think,otherwise you will get a very incorrect dipstick reading! My specialist plugged in a Tech2 to monitor the temperature when he changed the fluid on mine.

Have a reciept from the Saab dealer for new oil cooler and pipes so hopefully it'll not need done again, especially not at the price on the invoice! I was going to change the fluid anyway so will get under and have a thorough stare at everything. No red stains on the ground and driving spot on when slightly warm, just no drive for the first minute or so. Reading conflicting advice if synthetic should be used or not...

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  • 1 month later...

Changed the subframe bushes on Saturday, on the grass with axle stands on slabs. All went well- far easier than I had prepared for. Just lowered the subframe so just the 6 subframe bolts, the steering rack and rear engine mount to disconnect.  Made up a puller from a 27mm socket, a bolt and a brake piston tool. surprisingly the bush steel outer shells came out fairly easily- the rubber was totally shot and just fell out when the bolt came out. Popped in the poly bushes and reassembly was the reversal of removal. I still had some daylight left so popped in a new air filter and mounts, and a genuine Saab filter with 4 litres of fully synth Saab 5w30. Took it out for a run and it's a different car, no knocks on startup, no vibration at idle and far more positive when cornering. That's pretty much all my mecahnical issues ticked off, apart from leaky transmission cooler pipes, over £250 for genuine ones. I've got the specs for them and am waiting on a pair of made to order hydraulic hoses with the correct fittings- £35... on to the bodywork next!

 

IMG_20190323_161216.jpg?psid=1&width=822

 

No codes, no faults, even the Xenons are behaving themselves after the levellers were cleaned up and a reset done with the boot empty.New thermostat has sorted the cool running too, and the aircon seems to be holding gas.

 

IMG_20190323_184311.jpg?psid=1&width=822

 

New car to collect on Saturday, Wee Charade is for sale and the project ZX9R will be going for an MOT when the V5 arrives any day now. It's been a busy wee while for fettling!

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