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When to rebuild calipers?
I'll be doing a flush, replacing the pads, inspecting the rotors, and replacing the brake lines but how do you know when it's time to rebuild your calipers?
The brakes work ok, but I have nothing really to compare it to. |
On mine it was readily aparent by the dust seals being malformed and pretty trashed, but sometimes they may need it before that.
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I rebuilt mine when they started "dragging" - Not releasing all the way...That was when the car was about 25 years old....This will vary with whatever part of the county you live and if the car is driven in the winter where salt is used on the roads....
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Like Mystic says; check the dust seals for damage... if any visual damage, replace/rebuild them.
If any pistons are stuck I suggest you rebuild them. It isn't very difficult and doesn't take too much time when they are off the car already. How to check for a stuck piston: If you're having problems pushing one or more pistons back for the brake pad removal rebuild; the caliper. Good luck. - Michiel |
Thanks for the input. I'll inspect them soon.
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Also look at the pads, if they're wearing unevenly could be due to a sticking piston or caliper hardware...also trashed dust seals (as mystic said) are usually a tipoff.
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Re: When to rebuild calipers?
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how do you figure, supe?
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When it came down to my car, I figured if I had to ask, it was probably not a bad idea. For the price of the rebuild kits, it was worth the peace of mind. That may just be me.
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the job is not trivial, but the parts are cheap.
For me, I'd say it's time when they start leaking brake fluid, and not before, ianc |
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ianc |
Just got off the phone with Pelican and they say there is no rebuild kits for the rear caliper for the 911L same as a 1968 911S. How can this be? What's the diffrence between the front and rear caliper?
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ianc |
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brake fluid is hydrophilic . ..that does NOT mean that it some how collects water, carries it to the calipers, and then leaves it there . .. like a puddle. .. .somehow tough to flush. NOT AT ALL. Just flush the system with new brake fluid. The hydrophilic nature of the new ("dry") fliud will act like a dry sponge to any remaining "moist" brake fluid. Thing is, your not ever going to keep all the moisture out of the system. All you can do is be reasonable about it. (change the fluid) Else, I suppose you could rebuild them only in Arizona .. .and be certain not to breathe on them during the rebuild (you've seen what happens when you breathe on a mirror; haven't you?) :eek: :rolleyes: |
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