Question about Chevrolet Malibu
Get in there with a scan tool that can read data and codes. Pull the code. Look at the ABS data related to that code. That's the first step in diagnosing the problem correctly. The code doesn't tell you what part to replace; it gives a direction to go with diagnosis. Otherwise you're just shooting in the dark and wasting money guessing at it. If you verified for sure that you've got a bad wheel speed sensor and replaced the correct one, newer GM vehicles won't clear out an ABS light until it sees the vehicle move, and the sensor starts reading speed correctly. Usually it needs to see speeds above 25 miles an hour before the lights will clear out- IF you've correctly diagnosed and replaced a bad wheel speed sensor.
Posted on Oct 19, 2013
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Posted on Jan 02, 2017
you have too change the whole assembly
pull the wheel pull the callipilar pull the callipliar mount pull the rotor pull the half shaft nut then take the three bolts out of the hub assembly and pull it less than hour job !!!!
Posted on Feb 24, 2009
The bearings on the wheels has to be installed one way only, the rotor ring is built into the bearing and if installed the wrong way round the sensor cant pick up the wheel speed causing the ligt to be switched on in the cluster. The diagnostic equipment should pick this up as a fault once the car has been driven, it will see the sensor when you do the diagnostic if the car is standing still but once the car is moving and no signal is send from that wheel it would register a fault into the memory of the PCM that you would be able to retrieve later.
There is a way for you to test the sensor yourself by using a multimeter set on volts, you jack the vehicle up at that wheel, install a vehicle stand to support the vehicle to be safe, disconect the wheel speed sensor and probe the two wires into the sensor, spin the wheel by hand and a small amount of current will be produced meaning the the sensor is working and the wheel bearing is installed the correct way, you can also do a continuaty test on the sensor by switching the multimeter onto ohms, but be very carefull, if this sensor has three wires you cant do the continuaty test because of the integrated circuit in the sensor, the three wire sensors opperate on a voltage from 5Volt and it would be destroyed by the multimeter opperating on 9Volt.
If the continuaty test passes and the bearing is installed the correct way, the most comon fault would be a break in the wiring leading to the PCM
Hope this will be helpfull.
Posted on May 04, 2009
i had the same problem with my 2005 chevy uplander. the ABS lights kept coming on. The fix for me was... I had a damaged and old battery(the original battery). If your still under warranty or not I would suggest you check this out by using a new battery to see if this is your solution.
Posted on Jan 01, 2012
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