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Question about replacing brake caliper.; One of the slides/guides stuck and destroyed the pad and rotor
Topic Started: Aug 6 2012, 08:58 PM (1,104 Views)
cwatkin


One of my brake pads was grinding away at the rotor on my new to me and newly running 1994 Metro. Upon tearing this apart, I found that one of the slides/guides had gotten stuck so the caliper was cocked sideways, causing part of the pad to wear down until the metal ground into the rotor. I had to spray PB Blaster on this just to get the caliper off the rotor but the slide/glide freed up nicely. I can see some rust pitting on the slide and was wondering if this is a part I should clean and reuse after greasing well or use a different caliper all together. I have a whole other parts car and could just make use of a caliper on that.

New pads are on hand and new rotors should be in tomorrow morning so I don't want to ruin the new ones right off the bat. I am also doing some other front end work so I won't be driving this for another couple days at least.

Thanks,

Conor
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Good bye


This is a common problem with many cars. I have to watch 3/4 ton and 1 ton leaf spring (< 04) Ford trucks for this problem. The coil spring trucks > 05 don't seam to have the same problem. The rest of the fleet, 150+ trucks these are the only ones. Just clean and relube the pins and sliders, make sure the boots fit well and keep an eye on them.
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Deleted User

You'll need a slide hammer to change the rotors. The "how to" is in your factory service manual.

Clean and lube the sliders. You've got a parts car, so use the best ones. Getting the little slider boot properly seated is kinda tricky, but not too bad. I use a very little bit of regular wheel bearing grease on the sliders. Works good, lasts a long time.
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cwatkin


Thanks. I already got the slide hammer and hub puller as loan a tool from Autozone. I have the old rotors pulled and will be picking up new ones at AZ today. I will inspect the calipers on the parts car before putting this back together and see how they look. Either way, I will be pulling the calipers from that car before scrapping it. My list of parts to pull just keeps on growing...

Also, should I do anything with the wheel bearings while this far in. It honestly looks like they are in good shape but this isn't really a costly part and figured I might was well replace it while I am in this far. I am guessing a slide hammer might be needed to pull these. How is this done.

As for the stuck glides, I have had this happen on other vehicles. Luckily it just wore my pad out really fast and didn't hurt anything else. They were also lifetime pads so the only thing lost was my time.

Conor
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At this time, just put the disks back on the hubs and drive. A bid of judicious tapping with the slide hammer, and you're going together.

I have two sets of hub and spindle assemblies. A brake job consists of removing the outer tie rod end, the strut bolts and the ball joint clamp.

Meanwhile, back in the shop, the spare assembly gets disassembled, the bearings get gingerly tapped out with a brass drift, cleaned and lubricated. The rest of the parts get the same treatment. Once everything is all cleaned up, I reinstall the bearings and seals, a new or resurfaced rotor, and store the whole set in a plastic bag for next time.

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