Caliper slider stuck, seized (can't remove) - 2002 Tahoe

[thedillybar]

On the rear caliper, the top slider is free (moves easily by hand) but the bottom slider is seized. I've removed the rubber boot, lubricated with generous amounts of WD-40 and PB blaster, and tapped on it w/ a screwdriver & hammer...no success. Any tricks?

I stole this pic from another website because it looks similar. One of the bolts threads in where the wrench is...and that piece is supposed to slide in & out so the caliper can float.

 

[OKLAGMCRUISER]

welcome to the forum! I've never ran into this situation YET. Is the bolt turning at all?

 

[thedillybar]

Thanks for the welcome.

The bolt came out rather easily (w/ a box end wrench and a hammer). But the piece the bolt threads into is supposed to move so the caliper can float. And it doesn't budge. Which is why the inside pad is worn all the way to the indicator and the outside pad is fine.

 

[OKLAGMCRUISER]

Thanks for the welcome.

The bolt came out rather easily (w/ a box end wrench and a hammer). But the piece the bolt threads into is supposed to move so the caliper can float. And it doesn't budge. Which is why the inside pad is worn all the way to the indicator and the outside pad is fine.

sounds like it's time to replace the caliper.

 

[thedillybar]

Wow, you of little faith. The good news is I got it free. Vise grips as tight as possible, beat on vise grips with hammer, add some PB blaster. Repeat. 10-15 times. I ended up getting it to spin first, then after spinning it around a few times I spun and pushed at the same time and it came out.

Cleaned up the slot it was in w/ WD40 and a small file; cleaned up the pin w/ an emory cloth. Lots of grease on the pin & in the rubber seal and it's back together w/ new pads.


The bad news is the lower slider on the other side is also stuck...and haven't had any luck w/ beating on it yet. Letting the PB Blaster do it's job overnight and will try heat if all else fails.

 

[thedillybar]

Got it as hot as I could w/ propane torch, still wouldn't budge. Eventually I broke the head of the slider off and now have almost nothing to grab onto with the vice grips.

I think the best advice I've heard is drill a hole in the opposite side and try to tap it out with a punch. Also Autozone has one (not in stock) for $24.99 which is by far the easiest route.

 

[OKLAGMCRUISER]

lol...refer to post #4.

 

[thedillybar]

The caliper is $100 + core

 

[porter1121]

damnnnnnnnnnnn 100 plus core?? i got mine for 44 plus core from napa

 

[OKLAGMCRUISER]

damnnnnnnnnnnn 100 plus core?? i got mine for 44 plus core from napa

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