C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

ABS gurus... I need some help.

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Old Oct 2, 2008 | 11:41 PM
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Default ABS gurus... I need some help.

'90 model w/ c5 brake upgrade, new brake booster and master cylinder w/ bias spring

Problem.... I have bled and bled the brakes all the way around in accordance with the Helms manual. I still have a soft pedal, good enough to drive, but not that great and I need to fix it right.

I have an abs light, how do I pull the codes. Also I think it is the lateral acceleration sensor, because when I bumped it the abs light went off, could this sensor cause the soft pedal?
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Old Oct 3, 2008 | 11:18 AM
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You need a Tech I or II scan tool to pull codes and to properly bleed the ABS. I use a pressure bleeder . I think they do a better job.


Originally Posted by hz900
'90 model w/ c5 brake upgrade, new brake booster and master cylinder w/ bias spring

Problem.... I have bled and bled the brakes all the way around in accordance with the Helms manual. I still have a soft pedal, good enough to drive, but not that great and I need to fix it right.

I have an abs light, how do I pull the codes. Also I think it is the lateral acceleration sensor, because when I bumped it the abs light went off, could this sensor cause the soft pedal?
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Old Oct 3, 2008 | 06:03 PM
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you just need another project, started that Jeep for Steph yet?

I'm cyber stalking you, been lurking in OT lately and had to get a new SN to post old one hooked to an old dead email addy
/thread highjack

seriously though why not just dump the ABS all together? that thing has caused you enough problems..

anyway have a good weekend, too bad you aren't in dallas, good guys car show this weekend
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Old Oct 3, 2008 | 10:06 PM
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Originally Posted by hz900
'90 model w/ c5 brake upgrade, new brake booster and master cylinder w/ bias spring

Problem.... I have bled and bled the brakes all the way around in accordance with the Helms manual. I still have a soft pedal, good enough to drive, but not that great and I need to fix it right.

I have an abs light, how do I pull the codes. Also I think it is the lateral acceleration sensor, because when I bumped it the abs light went off, could this sensor cause the soft pedal?
Here ya go:
http://forums.corvetteforum.com/show...42&postcount=5

ABS Codes:

On the 1990 and 1991 model shorting pin "H" to pin "A" will cause the ABS light to flash ABS codes. (Beginning in 1992, there is another technique which is explained below).

Last edited by Blue 92; Oct 3, 2008 at 10:08 PM.
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