Question about 2002 GMC Envoy
ABS Light. At start up when have to push the break for the first time they act like they are hesitating and the truck doesn't want to stop as well.
SOURCE: abs sensors
If its the front sensors,you have to remove the backing plate to get to the sensors.Alot of time you have rust building up between the hub and the sensor,which pushes the sensor away from bearing and thinks its on a slippery surface.You need to clean that rust out from between sensor and hub.There are three bolts holding hub and backing plate in place,you have to remove these things to get to sensor.Hope this helps.
Posted on Mar 01, 2009
SOURCE: ABS problem with GMC 2002 Sierra
its a low speed abs activation the problem is in the front sensors they need to be cleaned or replaced they [or one] probably has some corrosion on the sensor --[the 99 chevy tahoes had a limited recall over this issue and the fix was to remove and clean the abs sensor or if to corroded replace ] this problem doesnt set off an abs code or trouble light also sometimes the abs will activate by itself at under 4 mph without even touching brake
Posted on May 15, 2010
it is your abs module i have the same truck and same problem i just pulled the fuse cuz the quote i got to fix it was just over 2000
Posted on May 25, 2010
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