Rear caliper is hanging up, what to lube with? - Ford Powerstroke Diesel Forum
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Old 02-12-2013, 07:06 PM
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Rear caliper is hanging up, what to lube with?

The last couple of days the right rear caliper is hanging up and when I get out of the truck the brake is hot and smell ps bad of hot pads. What is the best way and what should I use to lube it up so it isn't pinching the rotor all the time?
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Old 02-13-2013, 12:17 AM
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If slide pins are seized remove, clean out the bores and lubricate with brake slide pin grease.

If the caliper pistons are seizing....time for a new caliper.
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Old 02-13-2013, 05:26 AM
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Just replaced my LR caliper due to this. Take a peak inside to see if a boot on one of the pistons is busted then you'll know its the caliper. If not, then its not hard to remove and you'll find out then if its the pins
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Old 02-13-2013, 06:21 AM
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Make sure brake pads move freely in grooves on both ends. Light coat of anti-seize in grooves. Pistons should should push back in caliper fairly easily with a c-clamp. Use a block of wood on top of piston to avoid cracking piston, and be careful not to push brake fluid out master cylinder. If not, it's time to replace caliper.
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Old 02-13-2013, 06:27 AM
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The boots for the pins aren't cracked or anything. Getting ready to take the wheel off now to check it out.
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Old 02-13-2013, 07:31 AM
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Well, we will see how that does. The pins moved freely, the pads sprang back freely, the piston boots weren't cracked neither the pistons. No visual signs of leaks from grease or brake fluid.. Weird. Oh we'll, everything is lubed up as much as I could. Hopefully took care if it.
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Old 02-14-2013, 06:02 AM
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I finally used anti-seize, i was using the caliper grease and it was drying out and hanging up. after my 3 set of rotors being warped... I tried anti-seize. Guess I am a slow learner...
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Old 02-15-2013, 03:09 PM
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I have had several problems with the brakes on my 05. Had from time to time the fronts drag, Ive torn them down and re lubed and havent had problems for a while.

November of 2011 had the passenger rear drag while pulling a trailer. Didnt feel them dragging then the hot smell entered the situation. I pulled over and noticed the brake smoking BIG time!! Thankfully I was 45 miles from home, called a neighbor to bring other truck so I could get trailer home, left the 05 for a hour and then went back and drove home. Didnt drag then. Couple months later I replaced the rotor, caliper, and pads. Fast forward to just the other day, same wheel, same problem but with out the smoke. Took to the dealer, and they found the caliper bad. One month outta warranty, but dealer warranted the rotor, caliper and pads!! Had to pay the labor cause I done the install of the bad parts.

They did tell me there was issues with 05-08s with the power steering fluid getting contaminated and causing issues with the brake booster.
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Old 02-15-2013, 03:18 PM
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an 05 should have had the fluid flushed way before 2011 IMHO

but these calipers are more prone to stuck pistons than most I have seen
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Old 02-15-2013, 04:48 PM
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Quote:
Originally Posted by ZMANN View Post
an 05 should have had the fluid flushed way before 2011 IMHO
Never know that needed to be done. BTY, mine has 67K miles.
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