Question about 2001 GMC Sierra 1500HD

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When I apply the brakes on my 2001 GMC Sierra I get chattering feeling. This happens after I have been driving for awhile and I step on the brakes gradually. Thanks

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Warped rotors.replace asap.this is a normal wear item.

Posted on Aug 25, 2010


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Check your brake rotors,are they worn even and no worn marks.When replacing,do both.

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Is it new hardware?....older pre used hardware should be replaced....also, check the dust shields behind the rotors....could be rusted loose....happened to mine

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My new brakes squeek when i aply them

Unfortunately, this is characteristic of todays metallic and semi metallic pads, particularly if they become glazed. This condition can however be lessened or eliminated by applying a brake silicone lubricant to the back side of the pads, between the pad and the caliper. This will reduce "brake chatter", that is associated with disc brakes. Good Luck! I hope you find this to be very helpful!

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Bent disks or rotors. Who does the brake work?

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I would check with the service manager at the dealer, they may have idea as to what is the cause.

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