Brake Wear Problem

Goran · 07-02-2008, 11:29 AM

Vehicle:2000 envoy, 4wd, 4 wheel discs with ABS

Symptom:I'm burning the rear pad/rotor in a matter of 3 or 4 months, i'm on my 3rd set this year...

drivers side inside pad wears excessively...
had them changed in January, in March and in June

any ideas? "stealer"ship says it could be parking brake sticking??
i pulled out the parking brake pad out on that side, and will see if that helps...
they also said the caliper checks out fine...

any ideas would be greatly appreciated

Cheers
Goran

greencactus3 · 07-02-2008, 12:17 PM

piston stuck or the float is jammed?

Goran · 07-03-2008, 02:40 PM

piston in the caliper seems fine?

the float? is that the shims that the pad glides on?

"stealer"ship told me if i'm so smart i should fix it myself... cause i pulled out the ebrake pad...

kamesama980 · 07-05-2008, 12:52 AM

Quote: Originally Posted by Goran

piston in the caliper seems fine?

the float? is that the shims that the pad glides on?

"stealer"ship told me if i'm so smart i should fix it myself... cause i pulled out the ebrake pad...

I think he means the slide pins. that's what it usually is if one pad is wearing faster than the other on the same corner.

tell the stealership they oughta fix their products so you don't have to.

MikeInCtown · 07-08-2008, 04:16 PM

Inside pad wearing like that means either stuck caliper or the pin is stuck and not allowing the cliper to slide back.

I'm not sure the setup on yours, but on mine there is a pin that the caliper bolts to. The pin should slide very easy in and out and also spin in circles should you try. (By hand and easily) The slide pin has a hex on it for holding with a wrench while you remove the caliper bolt. (pin fits into caliper bracket) I have had to lube the hell out of my pins because the inside hole on the caliper bracket was somewhat rusted and depending on the pin location it could stick.

Not sure why you would have taken the parking brake apart since the parking brake is operate on the inside of the drum section of the rotor and the caliper/bracket is what is causing your odd brake pad wear.

if the pins all slide easily then the problem is upstream like hoses, or valves up front from the MC.

07-02-2008, 11:29 AM	#1
Goran Registered User Join Date: Apr 2006 Posts: 125 Location: Ontario User is: OffLine	Brake Wear Problem Vehicle:2000 envoy, 4wd, 4 wheel discs with ABS Symptom:I'm burning the rear pad/rotor in a matter of 3 or 4 months, i'm on my 3rd set this year... drivers side inside pad wears excessively... had them changed in January, in March and in June any ideas? "stealer"ship says it could be parking brake sticking?? i pulled out the parking brake pad out on that side, and will see if that helps... they also said the caliper checks out fine... any ideas would be greatly appreciated Cheers Goran
	[Reply w/Quote]

07-02-2008, 12:17 PM	#2
greencactus3 bellcranks no more Age: 20 Join Date: Nov 2005 Posts: 22,184 Location: ann arbor, mi User is: OffLine	Re: Brake Wear Problem piston stuck or the float is jammed?
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07-03-2008, 02:40 PM	#3
Goran Registered User Join Date: Apr 2006 Posts: 125 Location: Ontario User is: OffLine	Re: Brake Wear Problem piston in the caliper seems fine? the float? is that the shims that the pad glides on? "stealer"ship told me if i'm so smart i should fix it myself... cause i pulled out the ebrake pad...
	[Reply w/Quote]

07-05-2008, 12:52 AM	#4
kamesama980 The Eye is watching you!! Age: 23 Join Date: Nov 2007 Posts: 765 Location: dekalb, IL, USA User is: OffLine	Re: Brake Wear Problem Quote: Originally Posted by Goran piston in the caliper seems fine? the float? is that the shims that the pad glides on? "stealer"ship told me if i'm so smart i should fix it myself... cause i pulled out the ebrake pad... I think he means the slide pins. that's what it usually is if one pad is wearing faster than the other on the same corner. tell the stealership they oughta fix their products so you don't have to.
	[Reply w/Quote]

07-08-2008, 04:16 PM	#5
MikeInCtown Registered User Age: 34 Join Date: Feb 2008 Posts: 755 Location: User is: OffLine	Re: Brake Wear Problem Inside pad wearing like that means either stuck caliper or the pin is stuck and not allowing the cliper to slide back. I'm not sure the setup on yours, but on mine there is a pin that the caliper bolts to. The pin should slide very easy in and out and also spin in circles should you try. (By hand and easily) The slide pin has a hex on it for holding with a wrench while you remove the caliper bolt. (pin fits into caliper bracket) I have had to lube the hell out of my pins because the inside hole on the caliper bracket was somewhat rusted and depending on the pin location it could stick. Not sure why you would have taken the parking brake apart since the parking brake is operate on the inside of the drum section of the rotor and the caliper/bracket is what is causing your odd brake pad wear. if the pins all slide easily then the problem is upstream like hoses, or valves up front from the MC.
	[Reply w/Quote]


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