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Old 10-29-2008, 11:37 AM   #1
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Default Brake pads wear more on the inside than on the outside of rotor?

Since I have owned my car, the inside brake pad always finishes before the outer brake pad. Is there anything I can do to get them to wear evenly so that I get maximum life out of them? I was thinking of switching them around, but from memory, I think the inside one is built differently from the outside one (Can someone confirm this?)

Does this happen to you guys?

I have a 94 Accord with disk in the front, drums in the rear, and no abs.
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Old 10-29-2008, 11:54 AM   #2
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Default Re: Brake pads wear more on the inside than on the outside of rotor? (professorman)

You might also notice that the squealer tab is located on the inside pad.
So if in fact the pads did wear the exact same you could possibly have an outer pad worn out, rubbing the steel backing plate into the rotor at the same time the squealer tab starts rubbing.
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Old 10-29-2008, 12:10 PM   #3
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Default Re: Brake pads wear more on the inside than on the outside of rotor? (Mr Yamada)

So, it was designed to be like this? My inner pad wears down significantly faster than the outer pad. The outer one usually looks only about 50% worn when the inner one is completely worn down.
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Old 10-29-2008, 05:26 PM   #4
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Default Re: Brake pads wear more on the inside than on the outside of rotor? (professorman)

are you lubing both slide pins ?

Why Brake Pads Wear
Unevenly
Curious why brake pads wear unevenly? Here are
some common reasons:
• Air in the hydraulic braking system: Air is
compressible, so any air in the hydraulic
braking system can affect the volume of fluid
needed to apply the brakes. If the brakes don’t
apply evenly, they won’t wear evenly.
• Light brake application: Applying the
brakes very lightly can put the whole braking
load on half of the braking system. Repeated
stopping with one caliper and one rear brake
can wear that diagonal faster than the other
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Old 10-31-2008, 07:20 AM   #5
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Default Re: Brake pads wear more on the inside than on the outside of rotor? (dtapia)

I've never seen a car with flooting calipers that didn't wear the inside pad first. It's normal. Lubing the slider will help, but not get rid of it
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Old 10-31-2008, 12:45 PM   #6
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Default Re: Brake pads wear more on the inside than on the outside of rotor? (professorman)

The quick answer, you can get close to even wear but it always seems perfection is always just out of reach.
One thing I do is:
During such time that I find myself servicing disc brakes, I apply a thin coat of aluminized anti-sieze compound to the caliper sliders.

What happens is the calipers start sticking on the sliders, and only one side (normally the piston side) will retract from the spinning rotor. The opposite pad, rubbing against the rotor (abet lightly) will (obviously) wear faster.

Viola' uneven wear.

P
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