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I'm back for more golden nuggets!! We have a horrendous squeal from the front and back brakes...The front sings right away, the rear has to catch up in a mile or two..?

Seriously it is loud enough, were talking about free perms... They all look almostnew, and in good shape. I switched the rt & lf front pads from side to side and it all but quit for a day or two...but now back with a vengence! I bought some graphite squeal stop from auto zone, and it worked for about a mile.. Maybe different pads?
 

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Well Tnmtnboy, it could be a couple of things.
I suspect that your calipers are partially seized in their bores and the brake dust that accumulates around the pads are preventing the pistons from retracting. So to put it an otherway, the pistons are seized in your calipers.

When you start riding the pads are rubbing against the brake disc, the metal heats up and the dust and the close proximity of the disc pads cause a squeal.

The cure, remove the brake pads and calipers, clean the dust off and using a G clamp or two push the pistons into the caliper. With calipers with two pistons you can use a block of wood across two pistons and use one G clamp Do this for each caliper. Bleed the brakes and they should be fine. If you have the cash you could just rebuild all the brake calipers with new seals. But usually carefull cleaning and rotating the pistons and bleeding the brakes is enough. :)
 

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Discussion Starter · #3 ·
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The Irish Crew
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Did you blow out the dust before applying the grease? The grease has to be applied to all the areas where the pad backing contacts the calliper body. If you done all this already and stll get squeal, then I say change the pads.
 

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Monkey with a Football
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Or buy a can of Disc Brake Quiet at the auto parts store and give that a go before getting radical.

Of course that is no replacement for a mechanical defect, wear or problem.
 

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Discussion Starter · #6 ·
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Thanks, I will clean them up today..and as I remember when I switched the pads from left to right on the front, both calipers were very dry of any type lube,,couldnt see the back to good.. so clean them up and lube them down ! :dude:
 
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