OUR CAR'S BRAKE CALIPER HAS LOCKED UP AND WE NEED NEW ONES WE ARE CURRENTLY OVERSEAS AND THERE ARE NOT MANY OPTIONS SO WE ARE LOOKING ON LINE BUT THERE ARE MORE THAN A COUPLE OF CHOICES AND WE NEED TO ORDER NOW THERE ARE "MARKED 36MM PISTONS, MARKED 38 MM PISTONS AND MARKED 40 MM PISTONS AND WE DON'T KNOW WHICH ONES TO BUY. PLEASE HELP SOON
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You need to perform a complete brake caliper service.
Sticking calipers could need piston seal and rubber boot replacement, inspecting if the cylinder bore got twisted or out of round (when an unproperly trained brake technician puts the caliper in a bench vise and deforms it!).
Brake calipers need clean and properly lubricated sliding pins (the shiny, Chrome plated rods that support the caliper on the caliper mountong bracket), and new rubber boots that prevent dirt from getting on them. Proper high temperatura brake caliper silicone based grease is made by "ATE", "Bendix" and others, but you need to avoid overapplyin it or getting ANY on the rotor or brake pad surfaces!
I have achieved completely quiet brakes, without any noise by applying a coat of a marvelous substance called "Husky Brake pad compound" available in a small can. Follow directions and don't overapply it. Best luck. Amclaussen.
all dodge caravans from 2002 through 2011 have known problems with sticking calipers. if you google caravan brake problems you will see all the complaints. there are TBI's and recalls on them. I have a 2005 dodge caravan in my garage with all 4 calipers locked up. It is a good idea to replace the brake pads with the best ones and new rotors to
Hi there...when you say it "sticks" are you think the pistons are not retracting in the calipers? Did you replace calipers with NEW ones or remanufactured/rebuilt ones? How about the caliper slides, did you replace those? About half the time this is the problem on a sticky caliper that is causing excessive brake wear. If they are off just a little bit & no longer "true" the caliper will bind and the brake pad will steadily rub on the rotor. They need to lubed with disc brake grease and the protective boot needs to be in good shape to keep the brake dust and debris out too. This is an inexpensive part, easy to replace and often overlooked by shop techs. Good luck, i hope this helps. Thanks for using FixYa!
It is possible that you have a caliper locked up. When in gear, do you notice any attempt at movement? A locked up caliper ( or wheel cylinder if you have drum brakes in the rear) will keep the car from moving but it will TRY to move - you will notice a raising of the front of the car if your brakes are locked up. It would be best to have it towed to a shop unless you have mechanical skill sufficient to change the brakes yourself. You will probably need to replace the rotors as well as the brake pads and calipers. The caliper pushes the pads into the rotor which causes friction sufficient to stop the car. Hope this helps!!
calipers are a toyota only dealer part unlike a ford with bendix or bosch brakes so as its a dealer then the sky is the limit ,strip and clean the fit new seals and make sure the seal path in the caliper body it well clean and they will work just like new.
You may have contaminated brake fluid. Try flushing out the brake lines, calipers, and master cylinder by bleeding the heck out of the brakes. Use a NEW can of brake fluid (see why below). This is something overlooked in vehicle maintenance. Whenever doing a brake job, flush the system. I learned the hard way, having calipers drag, not fully releasing, to change them and have it happen again. Finally figured out it was bad fluid which was ruining the calipers. Brake fluid absorbs moisture, which will wreck the system. Just leaving a bottle of fluid with a loose, or missing cap will allow moisture to enter. Brake lines will rust on the inside, and loose particles of rust floating around will cause big problems.
Remove wheel, Brake caliper then the Brake caliper support bracket. Then Rotor slides right off of Wheel studs. Remember to support vehicle properly, and to make sure brake calipers are fully compressed before removing. After caliper is removed try try to support it out of the way. Then on the bake of the brake caliper support bracket there are 2 bolts. Remove them and the rotor will have room to be removed from drive axle hub. Hope this helps and have a great day.
you have to remove the the wheel of course and take 2 bolts out of the back of the calipers, one top and one bottom. once they are out you should be able to take it off of the rotor and just remove the brake line and e-brake and then put in the new ones in reverse order. you will have to adjust the e-bake after doing this im sure so figure out how to go about that first.
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