Reply to "Brake Upgrade: Done, but Bugs to Work Out"

bosswrenchMember

Hi Scott- been awhile. Did you repaint the car a darker red or is your avator photo just due to 'Maui Light'?

To trace down your brake problem, pull a pair of caliper bolts and have someone LIGHTLY step on the brake while you watch for piston movement. Do NOT let them push so hard a piston comes all the way out! You can add a block of wood of appropriate size between pairs of pistons to narrow down the piston movements. You will very likely find one piston sticking in its bore. IMHO the most common defect in seldom-used Panteras is varnish on a caliper piston that causes it to stick. This is cheaply fixed by removing all the pistons one at a time for a caliper and scotch-briting all varnish off the nickel-plated pistons. No actual 'rebuild' needed unless there's a leak. Simple & cheap but messy and labor-intensive.

4/21/141:10 PM

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