2008 Chevrolet Silverado Squeaking brakes

Tiny
CHARLIE1229
  • MEMBER
  • 2008 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
I have been getting a squeaking noise while braking. I just changed the front brake pads not too long ago so I thought I might not have greased them enough so I pulled them apart and greased them again. I still have the problem. It doesn't do it whenever I hit the brakes, just about the last 10-15mph of me slowing down. And it's not a constant squeak, it's like it's on the rotor and squeaked when it hits a certain spot. But I'm not sure because I cannot tell for sure if it is coming from the front or back. It was a while ago that I changed the back so I thought it might be that. But when I pulled the brake drum off the shoes still had plenty of life left, not much less than the new ones I had bought. Any idea what problem I could have?
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Saturday, August 22nd, 2015 AT 8:06 AM

7 Replies

Tiny
RIVERMIKERAT
  • MEMBER
Use some sandpaper and bevel the edges of the pads.

Something you said alarms me: grease on the pads? Brake pads NEVER get grease. They get an adhesive that goes by various trade names, but my favorite has always been Stop Squeak. Did you properly replace the anti-squeal shims? Were the rotors turned/machined/resurfaced when you replaced the pads? If so, was a non-directional swirl put on them afterwards? The cutting bit on the brake lathe will cut a record-type groove in the rotor, both sides. If a swirl finish isn't put on the rotors after turning, it will more than likely cause squealing and possibly chattering. Those pads should also have a wear indicator on them tat will cause a squealing when they're getting close to needing to be changed. Make sure you didn't bend one while installing the pads.
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Saturday, August 22nd, 2015 AT 8:34 AM
Tiny
CHARLIE1229
  • MEMBER
Yes I used lubricant on the back of the pads to help reduce friction noise. like the kind found here;
http://www.autozone.com/brake-and-power-steering-fluid-additives/brake-lube/ags-sil-glyde-brake-lubricant/193245_0_0/
the brake pads I bought already had new anti squeal shims on them.
No the rotors were not machined or replaced. The brakes was something I did myself.
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Saturday, August 22nd, 2015 AT 9:54 AM
Tiny
RIVERMIKERAT
  • MEMBER
That stuff is for pivot and sliding points. Between the caliper and pad and between the pad and piston you should use the Stop Squeak adhesive. Putting it on the back of the pads allows them to vibrate. Vibration is what causes squeaks and squeals.
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Saturday, August 22nd, 2015 AT 10:20 AM
Tiny
CHARLIE1229
  • MEMBER
So you think I should take it back apart and remove the lubricant and use the stop squeak adhesive instead?
is it like one of these;
http://www.autozone.com/brake-and-power-steering-fluid-additives/brake-lube/crc-de-squeak-brake-conditioning-treatment/489298_0_0/

http://www.autozone.com/brake-and-power-steering-fluid-additives/brake-lube/crc-disc-brake-quiet/555995_0_0/
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Saturday, August 22nd, 2015 AT 10:27 AM
Tiny
RIVERMIKERAT
  • MEMBER
I would. CRC. And bevel the pads. The edges to remove the sharp corners.
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Saturday, August 22nd, 2015 AT 10:41 AM
Tiny
CHARLIE1229
  • MEMBER
Alright I will give it a shot. Thanks for your help
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Saturday, August 22nd, 2015 AT 3:09 PM
Tiny
RIVERMIKERAT
  • MEMBER
Pleasure. Good luck. Thanks for choosing 2CarPros.
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Saturday, August 22nd, 2015 AT 3:22 PM

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