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Old 10-21-2002, 07:24 PM   #1
twlai
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Default What does the metal brake clips do?

What does the metal brake clips do?
I have one of my brakepad without the clips right now, is it okay?

I called Subaru dealer, and they only sell the clip with the pad,
and there is no aftermarket part for it because subaru has not
release the spec yet.

In case you 're wondering how I lost the clip,

http://forums.nasioc.com/forums/show...hreadid=262508
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Old 10-21-2002, 07:46 PM   #2
T-WRX
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Default

Disclaimer: I am not a tech, and I don't have a lot of brake experience. However, I have installed my own pads, so that qualifies me as a I-club technical forum expert.

I thought that the metal clip was to ensure that the pressure of the piston was evenly distributed along the brake pad. If you noticed, where the brake pistons contact the pad, it is really just a circle (e.g., a hollow cylinder). So to distribute the pressure on the pad, a metal plate is added.

But I am just speculating . . .
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Old 10-21-2002, 08:00 PM   #3
odyss3y
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Disclaimer: I am not a tech, and I don't have a lot of brake experience. However, I have installed my own pads, so that qualifies me as a I-club technical forum expert.

Are you referring to the anti-rattle clip? Located on the bottom side of the pad? In which case there are aftermarket clips, but they come with aftermarket pads (in my case). If you mean that other piece that goes between the piston(s) and the back of the pad, I'd guess the same as T-WRX with the additional idea of heat resistance.
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Old 10-21-2002, 08:08 PM   #4
subysouth
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Default well

The pad clips that go between the ears of the pads and the caliper brackets are made to prevent rattling of the pad in the caliper bracket. The shims that go between the pad backing and the piston faces are there to prevent squeal(caused by metal rubbing against metal.)

I seriously doubt the thin metal shims help distribute the pressure considering the backing of the pads is about eight times as thick as the shims.

My best guesses

subysouth
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Old 10-21-2002, 08:49 PM   #5
twlai
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Default

Thanks for the reply.

If it is to prevent rattling, I 'll feel a lot better.
The clip is pretty thin, so I doubt that it can distribute the
pressure from the piston.

I started to suspect that it may also help to prevent corrosion
between the pad and the caliper. I remembered seeing the
clip stick to the pad pretty hard.
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Old 10-21-2002, 11:24 PM   #6
Legacy777
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all it's for is to keep pads from being noisey......I've found that on some aftermarket pads, the shims make more noise then if they're not on.

Just put some orange CRC disc brake quieter on the back of the pad. That stuff works good.

Josh
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Old 10-22-2002, 03:06 AM   #7
subysouth
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Quote:
Originally posted by twlai

If it is to prevent rattling, I 'll feel a lot better.
The clip is pretty thin, so I doubt that it can distribute the
pressure from the piston.
Just to clarify again, the clips dont touch the pistons.

The clips are multi-angled clips that snap into the caliper brackets and accept the pads ears.

The shims are basically flat and go between pad backing and the piston face(s.)

subysouth
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