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> powder coating calipers, yes? no?
brer
post Feb 7 2007, 11:10 AM
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I read an article on the bird board about guys powdercoatig an entire assembled caliper, with the pistons in it. Now, I know they get hot but is this really a smart thing to do to the seals in there??

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Matt Meyer
post Feb 7 2007, 11:33 AM
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FWIW- I think it is a bad idea to bake or coat the calipers assembled.

I powder coated my calipers (disassembled). When I preheated them they smoked. Don't know if it was ressidual brake fluid, brake cleaner or bits of seals. I may have left a seal in on accident though. And it may have had signs of melting.

To properly prepare the calipers they need to be sandblasted and cleaned with a solvent. Bad for seals.

That powder is very fine. I wouldn't trust that some won't get past the dust seals and into places it shouldn't.

Eric has a great article on disassembly of your caliper in the Classic Threads. IMHO disassembly is not as hard as preping the caliper body.
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