I can not get the caliper piston to slide down into the bore! - Suspension and Brake Forum

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I can not get the caliper piston to slide down into the bore!
Monday, April 07, 2008 12:19 PM
OK, i have the damn thing lubed to all hell with brake fluid and yet i can not get the piston to slide past the inner bore ring/gasket - it's pissin me off...i even tried the pad spreader tool that discount sells to compress the piston when you are doing your normal brake pad replacement and it wouldn't budge it...i'm going to go out and get a c=clamp tonight but should it really be this sdifficult? according the the haynes manual "you just carefully push it down to the bottom of the bore" my a$$!

any advice from my jbo peeps?

Thanks in advance - Donnie




Re: I can not get the caliper piston to slide down into the bore!
Monday, April 07, 2008 12:23 PM
Stock front caliper?

Did you take the cap off the fluid reservoir?




Re: I can not get the caliper piston to slide down into the bore!
Monday, April 07, 2008 12:24 PM
if its putting up that much of a fight its probobally time for a new caliper



Re: I can not get the caliper piston to slide down into the bore!
Monday, April 07, 2008 12:29 PM
Wild Weasel wrote:Did you take the cap off the fluid reservoir?






Re: I can not get the caliper piston to slide down into the bore!
Monday, April 07, 2008 1:16 PM
the cap being on may but up some resistance but it will not keep the piston going in



Re: I can not get the caliper piston to slide down into the bore!
Monday, April 07, 2008 2:18 PM
new caliper time. come on their only like $15 at advanced with a core charge. cheap insurance.



Re: I can not get the caliper piston to slide down into the bore!
Monday, April 07, 2008 4:50 PM
NightmaresCavy wrote:new caliper time. come on their only like $15 at advanced with a core charge. cheap insurance.


exactly. calipers are stupid cheap for our cars.



JBO Stickers! Get yours today!
Re: I can not get the caliper piston to slide down into the bore!
Tuesday, April 08, 2008 5:24 AM
Darkstars wrote:the cap being on may but up some resistance but it will not keep the piston going in


It will if the reservoir has been overfilled.




Re: I can not get the caliper piston to slide down into the bore!
Tuesday, April 08, 2008 6:48 AM
no if wont, then you'd just see fluid leaking out the top of the bottle



Re: I can not get the caliper piston to slide down into the bore!
Tuesday, April 08, 2008 10:40 AM
Maybe with enough force, but it won't be easy.




Re: I can not get the caliper piston to slide down into the bore!
Tuesday, April 08, 2008 1:40 PM
push fluid back hard enough to overflow past the cap won't noticably change the effect needed to push in the piston when your using a pad spreader or big challel locks to push the piston. You won't notice a differnce untill you hear fluid hitting the ground and you look over and see a big puddle. The cap won't affect anything.




Re: I can not get the caliper piston to slide down into the bore!
Tuesday, April 08, 2008 2:07 PM
try putting the seal in correctly






Re: I can not get the caliper piston to slide down into the bore!
Wednesday, April 09, 2008 12:49 PM
Is this even on the car? If its not, its the seal keeping it, and if you've been trying that hard, you've probably already ruined the seal anyways. I would just buy a new caliper and turn that one in for core. Much easier than pissing around putting it back together.




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