frozen caliper slide pin? - Forums at Modded Mustangs
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post #1 of 10 Old January 7th, 2010, 11:36 PM Thread Starter
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frozen caliper slide pin?

One of the two rear caliper pins is sticking; the pins that the caliper sides left to right on. The grease seems to solidify and then the pin starts stick and the brake starts to drag. Last time I regreased both pins, I could barely remove the pin that was sticking.

What I've tried:
-regreasing with regular grease; solves the problem for awhile but then goes bad.
-using higher temp grease; lasts longer but still happens.
-checking the pin for bends etc; its straight and dent free.
-dug as much of the solidified grease out of the pin pocket as possible and replaced.
-swapping the top and bottom pins; still happens.

Suggestions (short of replacing everything)?

I'd upgrade to something like willwood or brembo but I cant afford that option at this point in time.
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post #2 of 10 Old January 7th, 2010, 11:56 PM
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take it all apart and clean out the slide bore with a cue tip or stuff a paper towel into it with a screwdriver and clean it out that way. start all over with the hi-temp grease. it only takes one little grain of sand to make it hang up.

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post #3 of 10 Old January 8th, 2010, 12:03 AM
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what are you greasing them with?? If its regular grease that could be your problem. Try some caliper slide grease

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post #4 of 10 Old January 8th, 2010, 12:08 AM
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use some of the motorcraft die electric caliper grease...what we use at the shop and works fine
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post #5 of 10 Old January 8th, 2010, 12:29 AM Thread Starter
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1st attempt was with some ford/merc multi purpose by valvoline
2nd was with lucas x-tra heavy duty grease.
(only choices I had at the local parts store)

wishihada5.0-thanks i'll give that a try.
f8l Gt- any suggestions for brand etc? I may have to mail order the stuff.
mrbigjeep - happen to have a sku handy?
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post #6 of 10 Old January 26th, 2010, 04:50 PM
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I'm gonna bump this, even tho its a little old. I finally got my car out of the garage today, its been sitting through the cold crappy weather. It was finally sunny today and with more bad weather coming tomorrow I figured it needs to be driven. Anyways when I got back from a 30 min easy drive I could smell my front pass side brake had been dragging and was hot. I've already cleaned them out and regreased before but just used some lithium grease, and I guess that wasnt good enough.

So if you guys could post up what kinda grease yours using and where to buy that would be awesome.

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post #7 of 10 Old September 1st, 2010, 06:12 PM
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stuck caliper pin

My rear brakes experienced uneven wear on the left side. It was so bad that the inner brake pad eventually fell out when driving.

After investigating the problem during a brake job, I found it was due to a caliper pin no compressing. I tried liquid wrench, twisting it out, hammering it out, and many other combos.

After an hour of messing around, I took the bracket to a local mechanic and he was familiar with these issues. Torched it red hot and pulled the pin out. He didn't want to charge me but i gave him 10 bucks for the help. Was able to reuse it and not have to buy another bracket.
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post #8 of 10 Old September 1st, 2010, 10:17 PM
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Sometimes you have to give up and get a new caliper bracket with new pins. I couldn't beat the pins loose on one of my rear caliper brackets with a hammer. I gave up and bought new parts. I haven't had a problem since.

P.S. Every parts store I've ever been in recently sells caliper lube.

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post #9 of 10 Old September 6th, 2010, 05:47 PM
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so is that y it wud make a squiking sound from the left side of my car?
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post #10 of 10 Old September 6th, 2010, 06:27 PM
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Just get new pins from autozone. The kit for left and right is about $18 and includes bolts and everything.

I thought this was my only problem, but it turned out to be a warped rotor.
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