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Clunking brakes?

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Old Jul 14, 2008 | 08:38 PM
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Default Clunking brakes?

I just recently put on all new rotors an pads an now i notice that when i back up an hit the brake i hear this clunking sound coming from the rear brakes its strange, its only while backing up cuz i'll put the car into 1st an do the same thing but no noise, any help is appreciated
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Old Jul 14, 2008 | 09:29 PM
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Sounds like you need to adjust/tighten the caliper's.. Thats the only thing I can think off.
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Old Jul 14, 2008 | 11:41 PM
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the large 18mm mounting bolts or the smaller ones?--i don't think they require that much torque do they?
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Old Jul 14, 2008 | 11:48 PM
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The smaller ones, that holds your two peice caliper together.. May need new bushings in there. Lot of Miles???
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Old Jul 15, 2008 | 12:12 AM
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i had the same noise that happened over rough roads. turned out that one of my caliper bolts had backed out. check and make sure that they are tight as crazylane said

Last edited by jester1614; Jul 15, 2008 at 12:57 AM.
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Old Jul 15, 2008 | 10:06 AM
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Originally Posted by crazylane
The smaller ones, that holds your two peice caliper together.. May need new bushings in there. Lot of Miles???
not really, the car only has 58,000 miles--i also noticed the rear ones kinda started to squeak a little bit
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Old Jul 15, 2008 | 10:18 AM
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May want to check your parking brake then, Take the disk off and inspect the inside drum, and brake pads..
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Old Jul 15, 2008 | 01:47 PM
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aw crap, i did pound on the rotor a little bit to get off, an then i realized i had the parking brake on when i put the car in the air you think i damaged something pretty bad?
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Old Jul 15, 2008 | 03:21 PM
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Na, more than likely you will just need to replace your pads... How often do you use your parking brake?
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Old Jul 15, 2008 | 08:28 PM
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lol alot actually, i use it every time i park, i don't like leaving it in gear-i think thats just something i picked up from the military, very few vehicles have "park" so you have to leave it in neutral an use the parking brake. Question about the parking brake--it's just one side of the vehicle right? passenger side corner?
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Old Jul 16, 2008 | 12:31 AM
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Both of my cars have it on both sides... Driver and Passenger.
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Old Jul 16, 2008 | 02:51 AM
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When I put new pads/rotors on the rear I noticed a clunk when I would go into reverse. It went away. A friend of mine who is a GM service tech said it's normal to have that happen with new pads and rotors on a floating setup. It should go away once it's all bedded properly.
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Old Jul 16, 2008 | 10:22 AM
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I wondered about that too, i wasn't sure if i bed them properly either--this may sound like a dumb question but is it possible to "re-bed" them without having to resurface the rotor? I got the hawk pads with brembo blanks put on saturday an did the all day driving clinic at pacific raceways the following monday, they held up fairly well with only a little bit of fade towards the end. thanx for all the input guys.
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Old Jul 16, 2008 | 12:20 PM
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Hmm...that sounds familiar. I think mine started up right after a lapping day as well. I'd notice it first thing in the morning when I backed up out of the driveway. It went away after a month or so. Give it some time.

And congratz on learning how to drive!!!
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Old Jul 16, 2008 | 01:56 PM
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Originally Posted by Crisisman
Hmm...that sounds familiar. I think mine started up right after a lapping day as well. I'd notice it first thing in the morning when I backed up out of the driveway. It went away after a month or so. Give it some time.

And congratz on learning how to drive!!!
haha thanx, not sure if i'll go that far, i feel like i learned alot but still have ALOT to learn it was alot of fun tho.
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Old Jul 18, 2008 | 05:42 PM
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haha, damn well it was just like jester said, my bottom caliper bolt backed completely out-i didnt think to pull the caliper out "not sure why" i kept moving it side to side thinking it would be loose that way --duh! just need another bolt.
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Old Jul 19, 2008 | 12:53 AM
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Glad to hear you found your answer, and that it's an easy fix.
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Old Jul 22, 2008 | 02:54 AM
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Originally Posted by Daredevil_TA
haha, damn well it was just like jester said, my bottom caliper bolt backed completely out-i didnt think to pull the caliper out "not sure why" i kept moving it side to side thinking it would be loose that way --duh! just need another bolt.


lol i did the exact same thing pull the caliper horizontally towards the rim and pushed in towards the engine. After getting under the car and checking bolts (thinking loose suspension bolts) I was like WTF . and my buddy went to start poking around and pushed the caliper vertically problem solved.

if you havent gotten the bolt yet go to your local napa and ask for a caliper hardware kit and you will get 2 of em and also the sleeve that they bolt into (i replaced the sleeve as well just in case).
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Old Jul 22, 2008 | 07:54 AM
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Originally Posted by Daredevil_TA
haha, damn well it was just like jester said, my bottom caliper bolt backed completely out-i didnt think to pull the caliper out "not sure why" i kept moving it side to side thinking it would be loose that way --duh! just need another bolt.
And put some blue Loctite on it when you put it back together....
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