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Brake's Question

Toes2008

By Toes2008
in Ask A GM Technician

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Toes2008 Enthusiast

Toes2008

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Posted

In Oct of 2010 I bought a 20008 sierra crew cab, just last week i noticed a slight pulsation when braking. After taking it to the dealer I was told one drum and both rotors were out of true, could this have been caused by previos owner and just showed up now? I bought the truck with 27000km and I have put on an additional 20000km. I have never pulled a trailer or heated the brakes in any way, I live in Saskatchewan so its never even seen any down hill braking. Could the brake components be so cheep that they don't even last for 50000km. is there anything I can do without spending $350.00 to get them turned true again. Could it be a manufacturer defect in the parts. I really thought these parts should last longer. :seeya:

Doug_Scott Senior Enthusiast

Doug_Scott

Posted
Posted

First off, it is brake, not break. Heat is energy. It takes just as much energy to stop your vehicle as it took to get up to speed, so everytime you brake, you generate heat, and a fair amount at that.

That being said, the most common cause of warped rotors is simply the wheel nuts not being torqued correctly (other than mechanical failure).

Toes2008 Enthusiast

Toes2008

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Posted

Very good point that never even crossed my mind, if that is the cause I guess I will be forking out some $. I've never had the weels off but who's to say some other meathead never over torqued them. And sorry about the spelling don't know what I thinking, must have been one of those days.

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