1988 9000T Brake Module Problems - Saab 9000 Bulletin Board - Saabnet.com
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1988 9000T Brake Module Problems
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Posted by 2000AERO [Email] (more from 2000AERO) on Mon, 10 Oct 2011 20:50:49 Share Post by Email
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I have a 88 9000T that has been sitting unused for the past 5 years - mainly used as a parts donor for my newer 9000's. I recently decided to get it back into running shape for my neighbor to use as a work commute beater car.

We took it for a test drive the other day (started up with very little cranking even after sitting for 5 years with 5 year old gas!! - very impressive! The engine even seems to run quieter than my 2000 9-5 Aero!) While driving it, the brakes were barely functioning. I just attributed it to the very rusty calipers/rotors. Over the weekend we disassembled the calipers and cleaned up everything very well. We put everything back together and pumped the brakes a couple of times to seat the brake pads, but only the driver's front caliper would clamp down (and then bleed). Tried to bleed the front right and the rears and couldn't get a drop out of them.

I went on to learn that on the early 9000's, the ignition needs to be on to run the booster pump in order to bleed the rears. The relay for the pump is pulling in so the pressure switch is working. I didn't have time to actually check for power at the pump connector / directly power the pump from the battery to check if it works - that's tomorrow's project. It looks pretty tricky to actually get access to hook up to the connectors - I was able to disconnect it though).

Does anyone have any ideas as to the problem with the front right brake? Is there something in the brake module that would prevent the brake fluid from reaching the right front? How difficult is it to remove the brake module and replace it with a different unit (if I could even find one).

Thanks for any guidance.

Michael

posted by 65.30.16...

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