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Which caliper bad?


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Recoil Rob
New User

Jul 25, 2018, 11:05 AM

Post #1 of 4 (248 views)
Which caliper bad? Sign In

2009 Honda CRV.
Replaced my rear pads and rotors about 1000 miles ago, on one side both pads were down to the metal. Now after 1000 miles the same thing happening again. I did check and grease the slide pins, the pistons seemed to move freely but again, one side, both pads down to metal. The other side is normal.
Is the bad caliper on the side with the excessive wear or is it the opposite side, causing the one with the wear to do the work of both? Curious but will probably replace both to be safe.


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jul 25, 2018, 12:01 PM

Post #2 of 4 (237 views)
Re: Which caliper bad? Sign In

Arggh: Could be the flex hose not the calipers at all and be intermittent. With that and from new to worn in 1,000 miles that wheel has also been real hot I personally don't trust hydraulic anything now even if checked might seem OK you know it isn't.
I'm not looking it up how parking brake plays into this just rule it out watching it work and retract without your help where you can see it.


Otherwise the very real and prudent thing to do is toss all of it, both sides equally and for any seen heat damage or strangeness to hub and wheel itself. Do things in pairs per axle is the right way not wait for the other side it's near impossible to know for sure.


Just a mandatory thing for you if doing your own pads and rotors make sure you support a hanging caliper NOT dangling by the hose on brakes or if off doing something else. Bungee cord, wire to spring or whatever works just don't stress out hoses,


T



Recoil Rob
New User

Jul 25, 2018, 12:28 PM

Post #3 of 4 (230 views)
Re: Which caliper bad? Sign In

Not sure what this means but hoses to calipers have always been supported. The one side is shot, the other side looks new. Just checked again and both calipers are moving in and out freely.


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jul 25, 2018, 1:43 PM

Post #4 of 4 (215 views)
Re: Which caliper bad? Sign In

They can still fail allowing fluid pressure in but not back out and be intermittent. When caught stuck like brake is applied when it should be free if you bleed out just a touch of fluid and it suddenly is free that's a sure bet. Intermittent it's common enough on a hose that moves already some reason it wrecked the brakes lucky not cause an accident don't trust them anymore.
If you can't find caliper at fault and might not see anything about it wrong then can't trust any of it.
Water and being submerged is the fastest culprit.
Parking brakes can fail as well cables or if internal to calipers. Sorry power just went out here everything just quit.


When in doubt with brakes you just can't fool around it already showed a problem just nicer when you see the problem not like this.


I can't publicly suggest you guess you can make it OK again that was fast to wear out one side. Go ahead and look for heat damage already said to more things,


T







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