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ABS light won't go off

I replaced the front wheel bearing and hub on 2004 GMC envoy now the ABS light stays on. How can I turn it off

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Any chance you damaged or moved wheel speed sensor, or got grease or something on it? I'd check that & make sure, (compare to opposite side) it's clean & spaced same from wheel as other.

Posted on Jul 26, 2009

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I have an 2006 envoy i had to replace the windshield and right after that the lights on the dashboard wont go off. the bake light air bag etc.

Posted on Sep 19, 2009

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How do I get the rotors off the front of a 2004 Envoy 4WD?


You have to take the wheel bearing nut off the axle and pull the bearings with it.

Jun 17, 2014 | 2004 GMC Envoy

1 Answer

Hello I have a 2003 gmc envoy 4wd had to replace front hub assemblies, brake rotors and brake pads. after the job was complete took it for a test drive and every thing worked fine. my wife drove it back...


sounds like the ABS kicked in while your wife was coming to a stop. This would be known as overactive ABS. It usually occurs under 5 mph while braking. It is usually caused by a speed sensor signal dropping out at slow speeds which makes the ABS module think that the wheel has locked up. It will then engage the ABS to unlock the wheel even though the wheel is turning. The brake pedal will fade and the grind of the ABS motor will be heard.

If this was an isolated incident it will be difficult to determine the source of the problem. It it becomes more frequent and predictable it will become a lot easier to figure out. Most of the time a scan tool capable of reading ABS data will be used. The vehicle will be driven while monitoring ABS wheel speed data. When the problem occurs the wheel speed on one of the wheels will drop out and then that wheel/bearing/sensor can be inspected.

Did you torque the axle nuts after installing the new hub and bearings to the proper spec?

Have you checked to see if the new bearings are still tight? with the wheel off the ground grab it at the 12 and 6 o'clock position. if there is any play than that could cause the problem.

let me know what you find or if you have any more questions.

Aug 19, 2011 | 2004 GMC Envoy

1 Answer

Just replaced a front wheel hub.Had to take off caliper and now abs lite stays on.Thanks for the help.


check that the abs sensor is properly connected, if it is, then try disconnecting the battery for about 5 minutes and depress the brake pedal and turn ignition key on and off. Then reconnect the battery. If that doesn't work erase the abs code with the scanner that should fix your problem.

Jun 23, 2011 | 2004 GMC Envoy

2 Answers

ABS light won't go off recently had both front wheel bearings replaced on a 1999 gmc jimmy - the ABS light came on immediately during a test run, i told the mechanic about it and i was told it would...


There are ABS wheel speed sensors on the front wheels behind the hubs. It is possible if the hub where replaced either the pick up ring mounted to the hub itself was not installed or might have purchase non abs hubs or they just did not switch the wheel speed pickup ring on the new hub. Another thing could be either the wheel speed sensors are mis adjusted or when they replaced the hubs they hung the spindle by the abs wire and either pulled it out of socket or messed up the wires internally. Here is a basic abs system http://www.ehow.com/how_8511860_diagnose-abs-brakes.html if you have any other questions please let me know. Also please leave good feedback.

Jun 23, 2011 | 1999 GMC Jimmy

3 Answers

Can I replace the front bearings myself or do I have to buy the whole hub.


Hello, the front wheel bearings are not a servicable part. you have to replace the front hub bearing assemblies. here is a picture.



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Dec 05, 2010 | 2004 GMC Envoy

1 Answer

I was driving my 2004 Yukon XL and the "Service


Wheel hub bearing . When the ABS see's a problem will disable traction control an ABS an will turn on RED brake light as well . Fluid level has nothing to do with it .
SERVICE STABILITY
Refer to ABS Description and Operation in Antilock Brake Systems

Mar 17, 2017 | 2004 GMC Yukon

1 Answer

03 GMC Envoy the abs light stays on. The pads and rotors all around are brand new.


Have your ABS Wheel Sensor checked, it is mounted on the hub of your axle. it could have gotten dirt on it or it is bad and it is not giving a signal to the ABS Module.

Jun 13, 2010 | 2003 GMC Envoy

2 Answers

Replace front left wheel berring on 2002 GMC Yukon


do not replace only the bearing. replace hub assembly. remove rim/tire , remove caliper, mounting plate, rotor. . un bolt hub assembly, unplug abs. remove front axle nut if 4x4. you may need to rent the axle nut remove kit and hub puller. pull out hub. drive axle reward out of hub. install new part. do not torque hub over 90lbs. check with parts sell for spec

Jan 03, 2010 | 2002 GMC Yukon XL

1 Answer

What is a speed control sensor?


Hmm, maybe a speed sensor. Do you have a ABS light on or something. If that's the case speed sensors are in each of the wheel bearing/hub assembly.

Dec 05, 2009 | 2004 GMC Envoy

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