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While driving the rear wheels locked up?

Tiny
LAVELL11
  • MEMBER
  • 2008 PONTIAC GRAND PRIX
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 137,000 MILES
I was driving earlier in the day and my back wheels locked up. I do not know what's the problem. I was hearing weird noises from my driver side rear sounds like scratching sounds, when I was driving it, my car finally drove even though I still heard the noise, I check brake cable once I made it home nothing seems broken, but I did notice a major hole in my left rear rotor something came through it. Please help.
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Thursday, March 30th, 2023 AT 6:38 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

The parking brake shoe assembly is behind the brake rotor (the area that is broken). Something must have come apart and damaged the rotor.

I attached the directions for replacing the parking brake shoes below. Use these directions to access and inspect the parking brake assembly. If I had to guess, I suspect one of the shoe retainers came apart and allowed one of the shoes to break through the rotor.

Let me know what you find or if I can help in any way.

Take care,

joe

See pics below. Note: The rotor needs replacing.
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Thursday, March 30th, 2023 AT 8:09 PM
Tiny
LAVELL11
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  • 84 POSTS
Okay, thanks, I will checkout.
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Friday, March 31st, 2023 AT 1:54 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Hi,

You are very welcome. If you have a chance, let me know what you find. I'm interested in knowing.

Take care,

Joe
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Friday, March 31st, 2023 AT 10:23 PM

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