Auto Parts and Repairs
Car Sounds
Brake Pads and Rotors
Chevy Blazer S-10

Why would new brake pads in a GM truck make a loud grinding noise when stopping?


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2015-07-17 17:31:15
2015-07-17 17:31:15

IF the Pad is in backwards that could happen.

This has happened to me twice. First time Autozone sold me the wrong brake pads. The ones they sold me fit a suburban which I assume has a slightly larger rotor. The part number is the same for my GMC truck except it is a -1 or -2 which was the difference. This year I had Pep Boys do my brakes and as I left the repair center my brakes grinded when I stopped. The mechanic scratched his head but he discovered the same problem that the pads his parts counter had given him were for a suburban. He installed the correct truck pads and problem solved. You may want to check your part number and see if this is what happened to you. The suburban pads were slightly taller and this produced the grinding.


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Are you Breaking when you get the grinding sound? Or attempting to switch to 4 wheel? Most common grinding sound I know is a worn out brake pad tearing up a rotor. Time for a brake job. New rotors and quality pads can be had for about 150 if you do the labor yourself.

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Depending on the what type of car or truck could be the brakes or rotors low brake fluid, or the boot is open and its gone dry, wheel bearings. hope this helps

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Had same problem with mine, if you turn right and it grinds, the left hub bearing is going out and vice versa. The weight of the truck is placed on the bad bearing the opposite way you turn. Should sound like a grind but it is a consistent "noise""quiet""noise""quiet".

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