AO Platinum Member
Join Date: Feb 2002
Location: The land that Time forgot
Re: squeaky brakes
Welcome to the Forum.
That squealing is the pads remaining in light contact with the discs.
I'd look at the pads to make sure they're not on their last legs. With a worn pad the caliper piston is quite extended and that makes it less likely to ease back when you take the brakes off. The light contact causes the pad to glaze (the surface material gets cooked rather than getting scraped away) and that makes it "stick" to the disc metal, causing the squealing.
Another possibility is that the caliper piston cannot retract freely, usually caused by sticking caliper pins (rust or gunge). Take the pins out and check their condition. A rubdown with emery paper and some white grease should sort those).
Finally, there may be some "anti-squeal" springs on the pads. These fade after years of never being replaced so it may be worth bunging new ones in there, to restore the full springy force.
No bullets for Chaingun..