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post #1 of 6 (permalink) Old 10-01-2009, 08:07 AM Thread Starter
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When to Change Brake Pads?

Under favorable driving conditions, at what mileage would you typically change the brake pads on an 05 Chevy Cobalt?

How about turning the rotors?

I ask because in the past (in other cars) I have always changed the pads when they begin squeaking, but I'm approaching 67K so...

I have been the only owner, and I drive like a sissy ... doing the hypermiling - slow acceleration, minimal braking, etc.

Thanks.
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post #2 of 6 (permalink) Old 10-01-2009, 08:16 AM
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I think all GM caliper brakes have that piece of metal that will hit your rotor once the pads wear down to allow it to scrape on the rotor. That is the squeaking you hear and that means it's time to change the pads. My 2009 has drums on the back. It has been so long since I had drum brakes I don't remember what prompts you to change those. So if your not squeaking I wouldn't worry about, but I would just take a look at them the next time you rotate your tires.



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post #3 of 6 (permalink) Old 10-01-2009, 08:35 AM Thread Starter
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Thanks Don,

I've got a father in law saying I should change them every 60K. I think I'll wait to hear wear indicator. (unless there's some reason I shouldn't)
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post #4 of 6 (permalink) Old 10-01-2009, 02:13 PM
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Definitely check them though when you do a tire rotation next to make sure the tabs haven't broke off or something...if they have, you won't ever hear the wear indicator and instead you'll eventually just hear metal on metal as you destroy the rotors...I know someone that had that happen...

I myself have had a wear indicator break off on my previous car.

I just changed my pads and rotors last night with 33,500 miles on the car...my passenger side pad was almost destroyed by the rotor because the rotor is in such bad shape...I put Powerslot rotors with Hawk Performance Ceramic pads...the car doesn't shake when stopping and there is a definite difference in braking...hopefully they will last quite a while.

If the stockers are still working just fine for you though, keep them. My pads still had probably half or more left, but because of the deep grooves in the passenger side, I had no choice, but to get rid of them.

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post #5 of 6 (permalink) Old 10-01-2009, 04:28 PM
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Yea dont worry about turning the rotors, just buy new rotors as especially with that many miles the factory Coblat rotors are junk anyway. I have about 67,000 on mine also and during the last tire rotation noticed that the rotors are rusting out so bad I am actualy missing chunks out of the inner cooling area of the rotors. Working on getting EBC rotors and pads now.
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post #6 of 6 (permalink) Old 10-02-2009, 12:15 AM
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i am approaching 68,000 miles and mine are still fine. I also do hypermiling as well. I am looking to upgrade my rotors soon though cause Cobalts have horrible rotors from the facory that often warp and i wanna upgrade cause i have larger rims and tires now too.



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