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I have a 2002 Trailblazer. For the past several months, the anti-lock brake light has stayed on sometimes. It is very frustrating. Anyone else had this problem?
My Truck has a similar problem. When I would come to a stop it would do the ABS grind. We put my buddy's $9K Snap-On computer on it and found nothing. Don't know if we looked everywhere though. We took the fuse out from under the hood and the ABS grind went away, but the ABS light stays on. Probably means the ABS doesn't work. I heard of a recall on the Wheel Hub Assembly for my truck but dealer said my truck wasn't on the recall list. I took it to the dealer and they found that I do in fact need 2 Wheel Hub Assembly's for it. They are 115 a piece with your own labor. Dealer wanted a grand to do it. Mark up on the part as well. The mechanic also said that with that recall, they would just clean it and it'd have a 50/50 chance on fixing the problem. My suggestion to you would be to check the fuse under the hood/replace it, or cleaning the Wheel Hub Assembly's.
 

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I recently purchased a 97 K2500 4X4 the antilock light stays on constantly and I've also noticed a loud noise that happens just after stopping and placing the vehicle in park. I can only explain the noise as if you were to tap a hubcap with a mallet. Did your's have the same noise?
That noise you heard is probably the ABS grind. I'd say it's the Wheel Hub Assembly's as well. Check your ABS fuse under the hood first.
 
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