Disc brake pad shims?

I just replaced the rear calipers on my '95 Maxima with rebuilt units. They came from different vendors, but both were "loaded" ... i.e.; everything I needed to replace (except brake fluid) was supplied. I didn't need the extra stuff, as I had already bought Nissan pads and clip sets but it was not an option.

The Nissan hardware included inner and outer shims. There was trace evidence of shims in the original setup, but they had mostly rusted away. I installed new shims from the Nissan kit.

Neither rebuilt caliper included shims - just the upper/lower clips for the torque member and the anti-rattle thingy that fits into the caliper.

Question: What are the shims supposed to do? What badness happens when they disappear?

Roby

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Roby
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Help stop squeel.

They can make noise. Lots of =brake shops= throw them away and as you found out the aftermarket doesn't think they are important either as they normally will just say "disk brakes will make noise"...

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Steve T

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John Smith

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