Question about 2004 Chevrolet Impala
Hi, my mom has a 2004 Chevy Impala 4 door. She mentioned when she started it the other day she noticed a light on that read "Trac off".
Any ideas. I thought it just advised the auto-traction isn't needed.
The traction control works in tandom with the ABS system. You have two ABS sensors...one on the front right wheel and one on the front left. You'll have to take the wheels off to get to them. Once the wheels are off, look in the back side of the wheel bearings and you will see a ring with teeth like protrusions... kinda like "little Gears". If you are not sure where to look just follow the CV axles from the transaxle to the spindles. They are located on the ends of the cv axles. If you notice and debris or grease on the gears then clean it off with some brakes clean. Also check the wires leading to the wheel speed sensors (aka abs sensors). be sure they are intact. The rings may be built into the wheel bearings themselves and if that is the case, you will have to replace the wheel bearings. There could also be a problem with the body control module. It would help alot to get it scanned if you feel you may have to replace something. No sense in shooting in the dark try to replace parts that don't need replacing. Hope this helps.
Posted on Dec 20, 2008
Try looking for a button that says trac or traction control. She may have addidently bumped it. If its an automatic it may be by the shifter. or dash or steering column.
Posted on Dec 19, 2008
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Posted on Jan 02, 2017
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