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Old 05-30-2010, 12:23 PM   #1
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Grabby Brakes

I have an 05 crew cab Z71 4wd. The very first few times I use my brakes in the morning, the rear brakes grab like crazy. They also squeal...After a few times, they seem to be better, but IMO they still grab a bit too much. The shoes have plenty of lining on them.. I adjusted them looser and it was better for a while, but now its back to grabbing way too much. Any suggestions?
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Old 05-30-2010, 12:50 PM   #2
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Re: Grabby Brakes

thats normal. drum brakes tend to do that.
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Old 05-30-2010, 01:15 PM   #3
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Re: Grabby Brakes

i thought mine grabbed real bad when i started driving my 355 but i got used to it and now everything else feels spongy
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Old 06-07-2010, 06:32 PM   #4
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Re: Grabby Brakes

So this is pretty normal for these trucks? I just got my zq8, and coming from the Silverado Z-71, I feel like I'm about to go flying through the windshield whenever I stop from any speed. Granted, the brakes on the Z were about half shot, but damn! this truck stops!
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Old 06-09-2010, 07:05 PM   #5
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Re: Grabby Brakes

Very typical of GM drum brakes.
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Old 06-09-2010, 07:06 PM   #6
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Re: Grabby Brakes

Why the fuck GM put drums on these truck is beyond me!
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Old 06-09-2010, 07:38 PM   #7
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Re: Grabby Brakes

Especially the the extended and crew cabs.
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Old 06-09-2010, 07:59 PM   #8
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Re: Grabby Brakes

Quote:
Originally Posted by Bloozmann View Post
I have an 05 crew cab Z71 4wd. The very first few times I use my brakes in the morning, the rear brakes grab like crazy. They also squeal...After a few times, they seem to be better, but IMO they still grab a bit too much. The shoes have plenty of lining on them.. I adjusted them looser and it was better for a while, but now its back to grabbing way too much. Any suggestions?
Back up first , how many miles on the truck ? Do you live on or drive a lot of dirt roads?
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Old 06-09-2010, 08:14 PM   #9
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Re: Grabby Brakes

Mine grab in the morning too. Once all the moisture is gone they stop.
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Old 06-10-2010, 01:08 AM   #10
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Re: Grabby Brakes

Same issue here. Its worse when its cold and wet out. Annoying as hell.
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Old 06-19-2010, 12:31 PM   #11
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Re: Grabby Brakes

Yeah mine grab when i drive after it sits in the rain. I barely tap the brakes and almost eat the steering wheel. Better that i guess than have hardly any brake power
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Old 06-19-2010, 12:36 PM   #12
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Re: Grabby Brakes

upgrade the front rotors and they'll stop so fast you wont notice the rears
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Old 06-19-2010, 12:39 PM   #13
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Re: Grabby Brakes

Mine do this as well. But, hey, if this is the only complaint we have, That is not too bad!
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Old 06-19-2010, 01:12 PM   #14
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Re: Grabby Brakes

every gm with drums i've owned did this they rust over night and then when you hit the brakes it burns the rust making the shoe stick to the drum
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Old 06-27-2010, 10:45 PM   #15
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Re: Grabby Brakes

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Originally Posted by lkout4trucks View Post
upgrade the front rotors and they'll stop so fast you wont notice the rears
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Old 03-02-2011, 01:11 AM   #16
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Re: Grabby Brakes

Hate to dig up an old thread, but I have this problem too and I found this online. http://www.ricksfreeautorepairadvice...-canyon-pickup
Wondering if anyone's heard of this, and if it did fix the problem?
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Old 04-28-2011, 01:13 AM   #17
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Re: Grabby Brakes

This is common issue for every vehicle and you have to get used to it.....It is due to wet,cold conditions..Also sometimes rear brakes get soaked with gear lube which certainly cause the brakes Grabby..Just pull the drum and check it..
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Old 04-28-2011, 01:18 AM   #18
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Re: Grabby Brakes

Yeah, hope he figured it out over the course of the year.
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Old 04-28-2011, 02:10 AM   #19
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Re: Grabby Brakes

Yep, Mine does it too. It's better if back out of the driveway first, but I back into the driveway usually. I will often drag the brake as I drive up to my first stop and the squeek is better. I really feel sorry for the neighbor on the corner...SQUEEEK. lol
I had read the fix that T-rumble linked before but have not ordered the parts yet. I still have 3 mm on the rear shoes and cleaning did not help. I was wondring about greasing the back plate contacts and the lower retainer area. My '91 s-10 did not do this.
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