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Car Forum / GMC Cars / February 2006

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Brake Wear Question

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vince - 10 Feb 2006 00:06 GMT
If I have 6mm of pad left on my front brakes after 30K miles what would a
new set have in mm?
Also, when do you change the pads?  When having 2 mm or less?
TIA
Steve Mackie - 10 Feb 2006 03:50 GMT
> If I have 6mm of pad left on my front brakes after 30K miles what would a
> new set have in mm?
> Also, when do you change the pads?  When having 2 mm or less?

Which vehicle are we talking about?
You have 6mm (1/4") left on the outboard or inboard pad? Going to assume
outboard.
How is the friction material bonded to the backing? Rivets? Glue?

Replace your pads when the squealer rubs the rotor, or the friction material
starts to fail. What I like to do is wait till it squeals, bend the squealer
back so it doesn't make any noise, drive to the parts store for new pads and
replace them within a week or two.

Steve
vince - 10 Feb 2006 04:24 GMT
It's a 01 Impala with original GM pads.

>> If I have 6mm of pad left on my front brakes after 30K miles what would a
>> new set have in mm?
[quoted text clipped - 11 lines]
>
> Steve
Steve Mackie - 10 Feb 2006 14:24 GMT
> It's a 01 Impala with original GM pads.

Mileage?

2001, sounds like they should have been replaced by now anyways. I think you
may have the only '01 Impala with factory pads. ;)

In any event, at 1/8" or less, they should be replaced.

Steve
Al Bundy - 11 Feb 2006 00:12 GMT
> > It's a 01 Impala with original GM pads.
>
[quoted text clipped - 6 lines]
>
> Steve

Pads seldom wear evenly. Since the poster only gave one number, 6mm, I
have doubt as to whether he checked every surface. He could well be
under the 3mm limit on the inboard pad as viewed from the bottom. When
you are this close and have that many miles, it only makes sense to go
ahead and get the job done for the peace of mind.
vince - 11 Feb 2006 01:50 GMT
Yes, Steve it is the original factory pads.  I bought the car brand new in
01 and it now has 30K miles.
Both fronts are at 6mm and both rears are at 7mm according to the mechanic.
This is pretty good since I drive in the city all the time.

>> It's a 01 Impala with original GM pads.
>
[quoted text clipped - 6 lines]
>
> Steve
ROY BRAGG - 18 Feb 2006 21:37 GMT
I have a 2000 Impala, and I just replaced all pads at 61000 miles, which I
thought was remarkable since my Lumina (92) only got 30k out of front pads
only.
Roy
> Yes, Steve it is the original factory pads.  I bought the car brand new in
> 01 and it now has 30K miles.
[quoted text clipped - 11 lines]
>>
>> Steve
 
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