New Pads new brake line cleaned and rebuilt caliper
1982 1100 Goldwing Aspencade New Pads new brake line cleaned and rebuilt caliper rear brake still sticking to the point that the rear wheel will not turn. let it stand for 15 mins and it will be as good as new for weeks then out of nowhere sticks again.
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Re: New Pads new brake line cleaned and rebuilt caliper
It is one of two possible things:
There's corrosion in the caliper. Specifically in the groove that holds the piston seal. Take the seal out and scrape all signs of corrosion from the groove.
OR, the master cylinder has a gummed up check valve. Sometimes, you can take the master cylinder off, clean it out with hot soapy water (Simple Green works very well), blow it out with compressed air - and it'll be fine (without taking it apart). Otherwise, you'll need to get the rebuild kit and replace all of its internal moving parts.
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You either have a brake fluid leak either in the caliper or in a brake line or even a bad master cylinder. Either way you have air in you line I think. Check closely for leaks before any thing else. If you have lots of fluid in the syste mand no leaks, I would say that you need to bleed the brake. If that does not work, maybe the master cylinder need to be inspected or rebuilt Make sure the fluid is clean and new. Remember that when you use the foot brake, it applies the rear and also the one front brake thru a purportioning valve. That brake and line will have to be considered also.
Could be several things: The calipers (for disc pads) or wheel cylinders (for shoes) are worn and dirty and are sticking. These would need to be rebuilt or replaced. You could check it by jacking up the car, applying the brakes then see if the wheels move freely after letting off the brake. Could also be warped rotors (if pads). Or, I had a car that brakes locked up and I realized that the new shoes I had put on had gotten oil on them somehow. I put a 2nd new set on and fixed the problem.
the saddle bag on the left needs to be removed to access the caliper,then its the same as any other.be sure to not let excess brake fluid run out on the bike when you compress the caliper to make room for the new pads.
In order to retract the pistons on the rear calipers you need to use a special tool that will rotate the piston in a clockwise direction.It may be possible to try to use a strong needle nose plier.Apply force against the U shaped slots on the piston and rotate clockwise until the piston bottoms out.Before you reinstall the caliper make sure that the recessed slots are at 12 and 6 "o"clock..the slots align with one or two bumps on the inside pad. If you are having problems with your calipers rebuilt one are a good option.If only the caliper slide pins are sticking they can be cleaned and lubricated.Pin lubricant sometimes comes with a set of brake pads.Other than that lube may be purchased separately at an automotive supply store.
If the pads are not wearing equally, u have a caliper problem. What is happening is the caliper isn't completely releasing when u take your foot off the brake (it's dragging). When u see this, u should either rebuild the caliper, or buy and install a new or rebuilt unit. Whenever replacing pads or shoes, flush out the brake lines. Contaminated brake fluid is the usual reason for caliper failure, resulting in premature brake wear. Also clean up the caliper points of contact and use special brake grease to lube calipers.
Have the brake pads been so very work they are down to the metal? This could cause the caliper piston to extend too far and not be able to retract properly.
Calipers Fail mostly from a cut in the rubber boot around the pistion dirt and debris get in there and rust the piston and it cannot retract properly Do they retract after they cool Down? if so the brake fluid has "boiled" if brake fluid is not changed about every 24,000 miles condensation builds up and lowers the boiling point of the brake fluid causing this problem.
Tell me does it happen after a long drive or siting a long time in heavy bumper to bumper traffic in hot summer weather? I recommend a complete brake fluid flush an change the calipers with NEW ones ot rebuilt and use dielectric grease on all points of metal to metal contact between the caliper an the mount bracket and thee ends of thee pada n the slide points they ride on and the pins that go through thecaliper and thread into the mount only dielectric not regular grease it will cause sticking and a worse problem than you have now.