ABS = Annoyed, bewildered, screwed

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May 17, 2007 | 02:30 PM

Shimy86

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Racer

Joined: Apr 2007

Posts: 336

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From: Bruce WI

ABS = Annoyed, bewildered, screwed

Well the anti-lock light isnt going away any time soon

, you cant get wheel speed sensors any more, you can only get one of the 2 relays so now what

Anybody have this problem and get it fixed??? Any help would be GREATLY appreciated!

May 17, 2007 | 03:00 PM

Aggravated4life

Race Director

Joined: Aug 2000

Posts: 14,130

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Cruise-In II Veteran

Try cleaning your sensors off and if no improvement,you can buy them from corvette salvage yards.

May 17, 2007 | 03:04 PM

Bob CTS

Race Director

Joined: Jun 2005

Posts: 17,640

Likes: 1

From: Lenoir City TN

St. Jude Donor '08-'09-'10-'11

I think I might have the two fronts and either one rear or both. let me know, they really are of no use to me since I sold the car.

Bob

May 18, 2007 | 11:40 AM

Shimy86

Thread Starter

Racer

Joined: Apr 2007

Posts: 336

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From: Bruce WI

Quote:

Originally Posted by Bill's86Coupe

Try cleaning your sensors off and if no improvement,you can buy them from corvette salvage yards.

Bill, I did this already. Can you look at something for me on your car? Behind the drivers seat where the ABS equipment is, on mine there is a set of green and white wires going to a plug end. There is no place where this could plug in to open and someone has a resistor jumping the plug end green wire to the white wire and electric taped over. I doubt that it came that way but all the tech's here are of no help and cant find any info for me. Also seeing that there is no place where this could plug into maybe it did come that way???

If you could look I'd really appreciate it.

Thanks

May 18, 2007 | 12:42 PM

C4boy

Melting Slicks

Joined: Apr 2003

Posts: 3,110

Likes: 6

From: Red Sox Nation! RI

Shimy, you really need the service manual to troubleshoot the ABS system. If you don't have one, search user Agent86 and terms like ABS. He posts a lot of links to .PDF pages for troubleshooting different components.

Rspreng, I may be interested in any of the sensors you have if no one else wants them. Shoot me a PM or e-mail with a price if you'd like.

May 18, 2007 | 12:56 PM

Mike_88Z51

Drifting

Joined: May 1999

Posts: 1,478

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From: Sacramento, CA Money can't buy happiness - but it's more comfortable to cry in a Corvette than a Yugo.

Quote:

Originally Posted by Shimy86

The resistor you speak of should be a diode. They look very similar. It may look like the previous owner taped it in, but that is how the factory did it. Genuine GM Quality from the 80's.

What tests have you performed so far and what were the results? Have you done a search for ABS threads and found my usual long response on how to test the early C4 ABS?

May 18, 2007 | 02:07 PM

86PACER

Le Mans Master

Joined: Jan 2003

Posts: 5,858

Likes: 7

From: Santa Maria CA

Quote:

Originally Posted by Shimy86

Believe it or not, that tape job with diode is factory. Mine is like that. They all are like that. So leave that alone it isn't the problem. You can buy some of the 3 abs relays form TLD aka The Last Detail if you end up needing one, or used from a corvette salvage yard. You need to PM Agent86 for a PDF copy of the ABS section of the GM shop manual and do the diagnosis charts to know the problem. Otherwise you are only guessing and throwing money at the problem. The relays are usually not the problem. You need further diagnosing.

Pump Motor Relay: Bosch# 0 332 002 171

Solenoid Relay Bosch# 0 332 205 003

Module Relay Bosch# 0 332 512 007

Have you topped off you brake fluid level?

Last edited by 86PACER; May 18, 2007 at 02:21 PM.

May 18, 2007 | 02:18 PM

C4boy

Melting Slicks

Joined: Apr 2003

Posts: 3,110

Likes: 6

From: Red Sox Nation! RI

Mike, I couldn't remember where the underscore was in your name or I would have linked to some of your posts. Good stuff! They even come up on a google search