UPDATE - Per Seig, I unplugged the ABS brain…. - Saab 900 Bulletin Board - Saabnet.com
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which sure took me awhile to get around to! Finally popped out the backseat, peeled down the carpeting, and the ABS controller is on the pass. side. Disconnected it. test drive.
Same result! Under hard braking situations, one of my left tires is still locking up! I'd swear it was the LR, but the wifey thinks it was the LF. Regardless, sans ABS control, the hardware is still locking up a corner, causing the back end to step out (the rear actually swerves to the left).
SInce I worked on this baby last fall, I turned both rear rotors to be 100% sure they had the same surface condition and both were flat. Also mentioned in the later comments, the rear dampers were changed to a low mile set of Turbo Boges.
Well, in my mind now I'm wondering if actually one of the FRONT calipers is locking up. Since the rears get a single point of feed, I don't believe any pressure differential at those rear calipers is possible. When I bought this convert, I noticed that both front hoses had been changed. I'm wondering if those replacement hoses might be plugged on one side? Or could something be shifting in the ABS block itself, causing unequal pressure between the front calipers?
_______________________________________
DET17
Posts in this Thread:
- ABS car, LR tire locking up during hard braking, DET17
, Sun, 27 Oct 2013 17:36:14- UPDATE - Per Seig, I unplugged the ABS brain…., DET17
, Thu, 15 May 2014 19:26:33 <-- Viewing This Message - Corrective actions completed, time for a test!, DET17
, Sat, 16 Nov 2013 04:59:31 - DET, even after your efforts, and it seems to have..., Baggsly
, Sun, 3 Nov 2013 21:27:01 - Rear suspension disassembly & inspection...., DET17
, Wed, 30 Oct 2013 10:16:35 - This has been mentioned before on ABS cars..., Baggsly
, Sun, 27 Oct 2013 23:18:19 - Unplug ABS ECU and re-test, Siegfried, Sun, 27 Oct 2013 20:09:27
- Re: ABS car, LR tire locking up during hard braking, Simon S, Sun, 27 Oct 2013 19:41:26
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