Question about GMC Canyon

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I had a right hub assembly reolaced because there was n0 signalfrom that sensor, ABS lite came back on Technician interrogated system and found no faullt ABS Lite has stayrd off for a hundred miles butI'm not grttimg the pulse ing in bvrake pedal when iI previosly would have in the past So fzr Ive spent $1300,00 for a brake job

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The pulsing only happens when the vehicle detects slippage (say on gravel, dirt, snow/ice) under normal driving braking you will not have any pulsating. Also if you have had $1300 in brake work the pulsating could have been warped rotors as well. I have seen the ABS light stick on for other reasons, faulty speed sensor or bad sensor and even light just sticking. Try putting it on some loose ground an braking hard so the truck slides a bit and see if the pulsating comes back its working fine, if not you still have an issue (could be your pump as well)

Posted on Sep 12, 2009


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Frm beginning of 2004 nissan maxima ABS problem to present want threw car wash ABS and Brake lites came on on the dash. checked rear sensors 1 worn so replaced sensor and hub assemble and did the recall...

can you do me a favor just unplug the abs module lead, and check that part first then get back to me on here. it is very rare that an abs sensor fails. its always down to the wiring plugs. and a car wash will throw the water in the engine bay, not like road water and any seal that are weak or cracked will be the first problem. plus engine dieing is a good sing the abs unit is not working at all. bad part is if the unit is not completely damaged. if the engine starts without the abs plugged in. but will not when its plugged in. can be a problem with the abs control unit board.

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How do I fix the ABS light on a 2000 Nissan maxima?

The code is for the right rear ABS sensor. The sensor would need to be replaced, BUT !! , there is a service bulletin, that out lines to replace the ABS control unit / Actuator. This bulletin should be performed by a qualified technician. I am sorry to say this repair may be costly. It may also involve rear hub assembles and opening rear hub drains with a drill, on the rear knuckles.
This is only under warranty for 3yrs or 36,000 miles. This is not a recall, just a noted repair procedure.
The reason found why this is happens is that the drain on the rear knuckles are no allowing the water to drain or clog, causing rust build up on the ABS pick ring on the rear hub assemble. The rust builds up and will hit the sensor, causing sensor failure or shorting out the ABS control unit.
Let me know,if needed further assistance.
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Most vehicles with ABS will have speed sensors located on the rear differential, which you found, and one in each hub assembly up front. I have seen some GM vehicles have speed sensors on the rear hub assembly as well. Check the front hub assembly sensors, there should be a two wire harness that is clipped on to your shock mount up by the firewall. If you have an ohm meter you can measure the resistance of the sensor. If open or short obviously it is bad. I don't know the normal resistance of these sensors. Hope I could help, good luck!

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1 Answer

Left front wheel bearing replacement diagram

Removal & Installation Front To Remove:
The front wheel bearings are not serviced separately. If the front wheel bearings are defective, the hub and bearing assembly must be replaced.
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Lubricate the threads on the halfshaft with clean engine oil.
  3. Remove or disconnect the following:
    • Front wheels
    • Halfshaft hub nut
    • Caliper from the steering knuckle WARNING
      DO NOT allow the brake hose to support the weight of the caliper.
    • Brake rotor
    • Anti-lock Brake System (ABS) sensor from the backing plate
    • Hub and bearing assembly from the backing plate
    • Hub and bearing assembly from the halfshaft
    • Hub and bearing assembly
To Install:
Exploded view of the front hub mounting and related components 7922xg36.gif

  1. Install or connect the following:
    • Hub and bearing assembly onto the halfshaft
    • Hub and bearing assembly to the backing plate. Torque the 3 bolts alternately and evenly to 70 ft. lbs. (95 Nm).
    • ABS sensor
    • Brake rotor
    • Caliper on the steering knuckle.
    • Halfshaft nut. Torque it to 118 ft. lbs. (160 Nm).
    • Front wheel. Torque the nuts to 100 ft. lbs. (140 Nm).

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1 Answer

I have engine lite on abs lite, awd lites

check for the wired behind the wheel hub assembly. wires can either be frayed or broken . replace hub

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1 Answer

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Sounds like the ABS sensor has failed, or is unplugged. If someone did the work for you, take it back. Otherwise check the sensor on the right front. Replace as necessary. Also ask the Q at

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i have a 2002 chevrolet impala and the same thing happened to me. abs light came on as well as my traction controll light. when i would step on the gas or brakes my car sounded like the brake pads were skiping against my rotors. i had my hub sensor replaced 5 times. the machanic kept telling me it was the part that need to be replaced.they hooked it up to have a dianostic done and the computer keep telling them to replace the hub sensor. so finally we brought my car to an electric auto shop. they found it was a loose wire that was turning my brakes on and off.(haywire)they fix my car in 30mins.

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3 Answers

Buick rendevousz headaches

I own the 2002 Buick Rendezvous CX and I've encountered the same problems listed here. The ABS / Traction Control Lamp stays on and was throwing a code for the left wheel speed sensor as well as an anti-lock brake code (both in the wheel bearing hub assembly). I replaced the left and right front wheel hub assembly yet this did not eliminate the abs codes. 
Ultimately, I traced this problem to a break in the wire that leads to the left hub assembly. Although the sensor was properly connected, the wire (which is encased in a plastic housing) was broken. This is the wiring which leads from the abs wiring harness under the hood down to the left wheel abs sensor. 
I would suggest that you simply remove the left wheel and inspect the wire that leads to the abs sensor (there is only one wire on each wheel). Mine literally fell apart when I removed the plastic housing around the wire. I spliced the wire together and put it back in the plastic housing. After this, my abs codes disappeared and my anti-lock brakes began working again!
This is a simple fix that many people spend $1000 + on by replacing the hub assembly which does not fix the problem.

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