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#1 LilysDad ONLINE  

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Posted July 20, 2015 - 11:52 AM

I have a 2011 Chrysler Town&Country. It has about 50,000 miles and the rear brakes were worn out. Yeah, the rear. My problem is with the left rear which had a badly scored rotor. I can't get the piston to push back in. It doesn't look rusty and I could turn it with a channel locks, but my biggest C clamp won't move it in. Is there a trick on this make and model?


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#2 Bmerf OFFLINE  

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Posted July 20, 2015 - 12:01 PM

I think the caliper may have a ratcheting mechanism. I have no knowledge of anything quite so new, but let Google be your friend.

 

Try this: https://www.youtube....h?v=AcPJ-MPUu0M

 

 


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#3 Jazz ONLINE  

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Posted July 20, 2015 - 12:03 PM

Have you checked your manual for the car. I have never run into calliper that will not retract with a c-clamp, and usually with not a lot of pressure as you have no doubt found. Possibly Chrysler has installed a gremlin :mad2:   I did near pads and rotors on wife's '08 Camry on the weekend,,,there's about 1/2 hour of your Saturday to do both sides..


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#4 David Brown OFFLINE  

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Posted July 20, 2015 - 12:24 PM

I ran into that with my daughter's Mazda.  Since the pads and rotors were still in good shape, I elected to let it go for a while so I could do some research.  I was told (several weeks later) and some of these calipers are screw types and must be turned to get them back in.  I guess you can tell when you take the pad off and see a square or hex opening instead of round.  Never heard of such a thing but this was from someone who had a car like that.  Daughter lives out of state so I haven't had the opportunity to see if that's what we're looking at.


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#5 toomanytoys84 ONLINE  

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Posted July 20, 2015 - 12:25 PM

Crack the bleeder and try?
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#6 LilysDad ONLINE  

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Posted July 20, 2015 - 12:38 PM

Thanks! After stopping here, I went to my second line of defense, youtube. Your right, instead of pressing in, it needs to be screwed in. It's so easy when you know what you are doing. (Yes, I tried bleeding, too. :thumbs: )


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#7 hamman ONLINE  

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Posted July 20, 2015 - 12:59 PM

Glad you got it to go back in.                                                                                                                                                                             Roger


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#8 Lmiller3358 OFFLINE  

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Posted July 20, 2015 - 01:31 PM

They make a special tool for those calipers to turn them back in, glad you made out alright ! :thumbs:



#9 LilysDad ONLINE  

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Posted July 20, 2015 - 02:13 PM

FYI this applies to all of this make and model from 2007 to 2013.



#10 jabelman ONLINE  

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Posted July 20, 2015 - 04:00 PM

My mustang has similar rear calipers. You can really screw up the caliper piston if use a c clamp on them.

#11 olcowhand ONLINE  

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Posted July 20, 2015 - 04:20 PM

That screw in system is I believe for the emergency brake to function properly



#12 JBRamsey ONLINE  

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Posted July 20, 2015 - 05:14 PM

Your parts house will have a tool for it. It's a little square with a bunch of holes in it.



#13 LilysDad ONLINE  

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Posted July 20, 2015 - 06:16 PM

There are two opposing notches in it. With a pair of long needle nose pliers and a little patience, you don't need the tool.



#14 Alc ONLINE  

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Posted July 20, 2015 - 07:48 PM

Glad you figured it out . I'm hesitant when working on rear calipers until I know what's involved . Heard a horror story of a guy doing a rear brake job in his home garage for some extra $  forced a set of VW ones and broke the electric  parking brake , cost him big $$ to replace them



#15 jabelman ONLINE  

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Posted July 20, 2015 - 08:37 PM

My wife had a vr6 vw jetta when we first started going out. One car I refused to work on. Even local mechanics were hesitant to touch it. I was glad when that car went away. But it was fast nice handling car though
That jetta had wear sensors on the brakes hooked to the computer that told you when to change

Edited by jabelman, July 20, 2015 - 08:38 PM.





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