Lets talk brakes and rotors - Chevy and GMC Duramax Diesel Forum
04.5-05 LLY Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect

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Old 01-25-2011, 01:03 PM   eBay Motors  #1 (permalink)
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Lets talk brakes and rotors

I have always put new pads on when i either had the rotors turned, or bought new ones. I was told this is the proper thing to do.

BUT to me the pad wears to the rotor so why worry about it?

The reason I am asking is the pads on my truck are fine. LOTS of life left like almost new.

but I have a shake in the wheel when braking sometimes, (normally caused by a little warped rotor)

So what you guys think, If i turn them/or get new ones, SHOULD I BUY NEW PADS TOO? OR JUST PUT THOSE BACK ON.?
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Old 01-25-2011, 01:05 PM   eBay Motors  #2 (permalink)
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yes I would replace the pads with the rotors....the pads could have a wave in it....cause the high parts of the pad to hit the rotor and essentially wearing them uneven.
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Old 01-25-2011, 01:22 PM   eBay Motors  #3 (permalink)
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but as long as it doe not hurt the new rotors who cares? i mean if they wear out faster, then so be it, but faster still mean somewhere down the line, where as if i buy new ones now they are wasted

Thoughts?
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Mods to truck.
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Old 01-25-2011, 01:23 PM   eBay Motors  #4 (permalink)
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well you will have decreased stopping performance as well if say only half of the pad is contacting the new rotors....

I'd spend the 50-60 bucks on some lifetime warranty ones and be done with it.
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Old 01-25-2011, 01:32 PM   eBay Motors  #5 (permalink)
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well my therory is that after a day or so of light driving with light stops and the pad would be worn to the new flat surface.

but i may be worng in my thinking. ha
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Mods to truck.
INtake, BullyDog Turbo back exhaust, Hypertech, and BullyDog Dominator. Fabtech 6 inch lift, 35's.
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Old 01-25-2011, 01:32 PM   eBay Motors  #6 (permalink)
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I had a slight warp to one, occcasional steering wheel action on heavy braking. Dealer turned the rotors for no charge under warranty, left the pads. It's been good to go for about a month now, with no probs or fade under heavy loads. They turn the rotors with them on the truck, never pull 'em.

Note: Your guess-ta-mation on the remaining pad life left...viewing only the fronts is not a good indicator to go by, as the rears wear faster than the front pads do.
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Old 01-25-2011, 01:48 PM   eBay Motors  #7 (permalink)
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the rears wear faster then the fronts? hows that? on every other car, and truck the fronst go WAY faster than the rears. casue 70-90% of the stopping power is in the front
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Mods to truck.
INtake, BullyDog Turbo back exhaust, Hypertech, and BullyDog Dominator. Fabtech 6 inch lift, 35's.
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Old 01-25-2011, 02:00 PM   eBay Motors  #8 (permalink)
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lets move this to the right forum too.

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Old 01-25-2011, 03:11 PM   eBay Motors  #9 (permalink)
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Quote:
Originally Posted by mittens View Post
the rears wear faster then the fronts? hows that?
Unlike every other car or truck, your HD, built for hauling and towing, has more rear braking to reduce the likelihood of trailer jack-knifing. Under heavy emergency braking, it works very well too, keeping everything straight and in-line.

Depending on how much you tow, 40% front wear could be 60+% in the rear. So, what we're accustomed to, with checking front pads during rotations in determining brake life remaining, can have you damaging the rear rotors (no pads left) before you realize it. A bent rotor's cause is usually heat/stress related, and could be indicative of the need for brakes all around.
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Use-ta Haves 2006-6.0 3500 WT DRW ExCab Flatbed, 2005-LLY 3500 LS DRW Crew Cab, 2002-LB7 3500 LS DRW Crew Cab
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Last edited by Hook'em_Horns!; 01-25-2011 at 03:16 PM.
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Old 01-26-2011, 06:10 AM   eBay Motors  #10 (permalink)
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VERY INTRESTING!

I did not know that. BUT i have notices unloaded driving around if i hit the brakes hard the rear will lock up before the front. but was placing blame on the light rear end, and heavey engine. thoguht maybe it had more rear braking than normal but never would have thoguht it had more than the front.

good to know and will check. either way the font pads are still good and thats where the rotors need to be turned or replaced.
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2004 GMC 2500HD (Chipped, lifted on 35s)
2007 C6 ZO6 Built (Motor, tranny, & diff)
2002 Baja 342 Boss (TWO OBNOXIOUS)
2004 Big Dog Chopper (Custom)
1996 Suzuki RM 250 (Built)

Mods to truck.
INtake, BullyDog Turbo back exhaust, Hypertech, and BullyDog Dominator. Fabtech 6 inch lift, 35's.
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