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Chevy Silverado and GMC Sierra Brake Problems

191 messages,  Last post on Dec 05, 2009 at 3:25 AM

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What is this discussion about? Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Silverado 2500, Brakes, Truck

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#1 of 191 Chev Silverado Brake Failure by mcleand Jun 24, 2006 (12:13 pm)
I own a 2003 Silverado that has intermittent brake failure problems . The dealer has repaired this time and time again but the problem persists . The dealer and now GM say that this is a normal function for this vehicle , but now the brake pedal goes to the floor and although they are telling me it is safe to drive I am refusing . This truck sits in my garage .   I found over 100 similar complaints on the NHTSA web site , some involving accidents with injuries and deaths .   Does anyone have any advice . This truck has 48000 KM on it . Replies to this message: thompson1223 (Jul 18, 2006 12:13 am) seewoody (Oct 29, 2006 5:37 pm) boozer (Nov 09, 2006 3:36 pm) brett4mvp (Apr 02, 2007 9:32 am) ldsokol (Nov 29, 2007 7:22 pm) 00z71dcr (Sep 08, 2009 5:08 pm) z71bass (Oct 17, 2009 4:06 am) fishwishin (Apr 01, 2009 1:24 pm)
#2 of 191 ??Bent Axle Or Rotor???? by thompson1223 Jul 09, 2006 (1:26 am)
I was wondeing if any one could help me out on this i hit a rock like a year ago and as the time went by i starting hearing sweaking form the rear passinger tire i went to places and they said it was a bent axle well the sound has gotton way worse but when i hit the brakes it goes away so i dont know what it is can someone help thanks. Replies to this message: seewoody (Oct 29, 2006 6:06 pm)
#3 of 191 Re: Chev Silverado Brake Failure [mcleand] by thompson1223 Jul 18, 2006 (12:13 am)
Replying to: mcleand (Jun 24, 2006 12:13 pm) Yea i have the same thing when i hit a bump when i go to hit the brakes and they told me its has something to do with the sensor and they fixed it and it hasent done it since then
#4 of 191 '97 sierra brake pedal to floor by eric62 Aug 04, 2006 (6:32 pm)
Changed master cylinder thinking that may be the problem, but pedal still soft and goes to floor. Mechanic thinks it may be abs module? Can this be bypassed? Suggestions??? Replies to this message: liperonus (Apr 29, 2007 8:39 pm)
#5 of 191 '01 Silverado 1500 emergency brake issue by jgriffith Oct 05, 2006 (10:35 am)
I just had my mechanic replace my brake rotors and pads on my rear wheels. Almost immediately I noticed a sound coming from my rear wheels. Took it back to my mechanic and he tells me my emergency brake pad came loose and was rattling around in my wheel. Question: Did my mechanic have to remove the emergency brake assembly to replace my rotors and pads on my initial visit? Replies to this message: tweverts (Oct 14, 2006 10:37 am) paumat (Nov 06, 2006 4:54 pm) gmmaster (May 30, 2009 7:34 pm) barnowl3 (Jun 05, 2009 6:11 pm) obyone (Jun 05, 2009 10:28 pm)
#6 of 191 Re: '01 Silverado 1500 emergency brake issue [jgriffith] by tweverts Oct 14, 2006 (10:37 am)
Replying to: jgriffith (Oct 05, 2006 10:35 am) Yes. The rear rotors have the barking brake on the inside or back side of your rotors. The parking brake shoes operate similar to the old drums whereas they push out on the internal surface of the drum which is actually the inside component of your rotors.   here's a picture of a slotted rear rotor where you can see the internal drum surface.
#7 of 191 Re: Chev Silverado Brake Failure [mcleand] by seewoody Oct 29, 2006 (5:37 pm)
Replying to: mcleand (Jun 24, 2006 12:13 pm) The brake bleeding procedure in my"96 ' book(Dealer "tech." manuel)includes pumping the pedal and cracking open and closing in succession, each fitting on all hydraulic components, working your way back to and including the master cylinder, untill all air is bled out. Don't forget to use something to prevent brake fluid from sraying all over the paint and yourself."TRY IT! YOU'LL LIKE IT!
#8 of 191 Re: ??Bent Axle Or Rotor???? [thompson1223] by seewoody Oct 29, 2006 (6:06 pm)
Replying to: thompson1223 (Jul 09, 2006 1:26 am) I experianced some thing like that, cruising on the highway for a long way with out using the brakes, when I applied the brakes, the pedal went way low. I think I pumped the pedal before it bottomed, however on the second pump I had brakes. These symptoms repeated whenever I was on a long high way cruise. So I would apply the brakes every so often, (I'm cheap) until I replaced the rotors. With new rotors Inever had the problem again. Runout,jouncing,etc. can cause some calipers, more then others, to retract the pistons enough that the brake pedal will depress frieghteningly low before the brakes are applied if at all on the first brake application.
#9 of 191 seewoody by seewoody Oct 29, 2006 (6:33 pm)
I replaced my front rotors,pads,caliper guide o-rings,cleaned all "sliding"surfaces and lubed the guide pins. When driving,I found myself smelling somebody riding with their parking brake on way to often. So I jacked up my front and spun my front wheels-free spinning-drove truck still smelling fillet-ala-brakes. Checked rotor temp. after coming home using very light brakes. One rotor-525F-other-675F.The caliper pistons retracted as caliper pistons usually do.I replaced the calipers with "Cardo" rebuilts. 80,000 later, still O/K. P.S. 120,000 and still original untouched rear brakes.
#10 of 191 Re: '01 Silverado 1500 emergency brake issue [jgriffith] by paumat Nov 06, 2006 (4:54 pm)
Replying to: jgriffith (Oct 05, 2006 10:35 am) I just replaced my rear rotors and pads as well. What happens is the emergency brake, if not properly adjusted, wears a groove into the drum and prohibits the rotor from pulling off -- you basically need to finesse it off and if that doesn't work -- pound it off. If the guy whacked it with a hammer, etc. to get the rotor off he probably broke the e-brake shoe retainer clip. If he didn't replace the clip, that would cause the ebrake shoe to rattle around inside the drum.

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