ABS Help, and Brake Help 91
Thread Starter
Racer
Joined: Dec 2003
Posts: 349
Likes: 0
From: Hong Kong
ABS Help, and Brake Help 91
The ABS check light only comes on after 5-10 minutes of driving, then goes away. Is this normal? Or does this indicate and error. I have plugged in a scan tool, and there are no codes present.
Any recommended maintenance for the ABS unit? If so, how can I instruct my garage to do so?
Brakes feel really hard, changed the booster, master cylinder, flushed new pads, turned rotors, rebuilt calipers no luck. I can push the pedal all the way down very hard, and that gives me good brakes for a few stops then back to normal.
Also, when I'm driving, and turn, the brakes squeal, and if i lightly push them, the sound goes away.
Cheers
Any recommended maintenance for the ABS unit? If so, how can I instruct my garage to do so?
Brakes feel really hard, changed the booster, master cylinder, flushed new pads, turned rotors, rebuilt calipers no luck. I can push the pedal all the way down very hard, and that gives me good brakes for a few stops then back to normal.
Also, when I'm driving, and turn, the brakes squeal, and if i lightly push them, the sound goes away.
Cheers
Safety Car
Joined: Jul 2004
Posts: 3,845
Likes: 30
The ABS check light only comes on after 5-10 minutes of driving, then goes away. Is this normal? Or does this indicate and error. I have plugged in a scan tool, and there are no codes present.
Any recommended maintenance for the ABS unit? If so, how can I instruct my garage to do so?
Brakes feel really hard, changed the booster, master cylinder, flushed new pads, turned rotors, rebuilt calipers no luck. I can push the pedal all the way down very hard, and that gives me good brakes for a few stops then back to normal.
Also, when I'm driving, and turn, the brakes squeal, and if i lightly push them, the sound goes away.
Cheers
Any recommended maintenance for the ABS unit? If so, how can I instruct my garage to do so?
Brakes feel really hard, changed the booster, master cylinder, flushed new pads, turned rotors, rebuilt calipers no luck. I can push the pedal all the way down very hard, and that gives me good brakes for a few stops then back to normal.
Also, when I'm driving, and turn, the brakes squeal, and if i lightly push them, the sound goes away.
Cheers
Drifting
Joined: Aug 2006
Posts: 1,279
Likes: 0
From: Delray beach FL
Remove your rear left wheel and check the wires insulation behind it on the top left side.
All the ABS wires go tru here and are very exposed to mud and water.
Corroded or crapy wires at this level will most likely give you a code.
First thing to check before going "inside".
All the ABS wires go tru here and are very exposed to mud and water.
Corroded or crapy wires at this level will most likely give you a code.
First thing to check before going "inside".
Thread Starter
Racer
Joined: Dec 2003
Posts: 349
Likes: 0
From: Hong Kong
The thing is, Im not sure if Im getting a code, the light only comes on for a second, as it does in the startup test. But my light doesnt come on for the first 5-10 minutes.. flashes for a second, and can feel the brake pedal pulsate for a split second, then goes away..
Intermediate
Joined: May 2008
Posts: 49
Likes: 0
From: Binghamton NY
Check for moisture
Check the ABS compartment for moisture and inspect the wires in the connectors for corrosion. That compartment is prone to corrosion and can eat the wires up over a period of time. My 10 awg power wire was corroded to the point where it broke off at the connector.
Safety Car
Joined: Jun 2006
Posts: 3,629
Likes: 28
From: FL
Typical consumer grade scan tools will only access ECM codes, without a Tech 1 or similar professional quality tool you will need to follow the instructions here.
http://www.corvetteactioncenter.com/...abs/index.html
See the link below to obtain a FSM or haunt Ebay until you see a bargain.
http://www.helminc.com/helm/homepage...ls&btnG=Google
The suggestions to check the wiring and compartment containing the EBTCM for water are also excellent, good luck.
http://www.corvetteactioncenter.com/...abs/index.html
See the link below to obtain a FSM or haunt Ebay until you see a bargain.
http://www.helminc.com/helm/homepage...ls&btnG=Google
The suggestions to check the wiring and compartment containing the EBTCM for water are also excellent, good luck.
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