PDA

View Full Version : brake pistons wont retracted

biggbadd240sx
08-12-2009, 06:31 PM
hi im josh i have a 96 240sx with auto to 5 speed so im still using the auto brake booster and MC but i did the swap like 2 to 3 months ago and i just started to feel this in my car..... when im driving sometimes the pistins dont retracked, so i slow down with out pressing the barkes, and i cant accelarate that good either, so if you can help me then pm me or post please, waisting gas lol
adrians_s13
08-12-2009, 06:33 PM
esh... sounds like the pistons are seized.

after driving, do you see smoke (or even fire) coming out of the wheels?
biggbadd240sx
08-12-2009, 09:50 PM
no not smoke or fire lol, but a weird smell like the pads
Sileighty_85
08-12-2009, 10:22 PM
Ummmmm.....Replace the Calipers
VOoDOoGTX
08-13-2009, 06:39 AM
as said before, piston is seized.
1stock240
08-13-2009, 05:19 PM
I had the same problem in mine but not so much to where it was stopping the car but when I got out I smelled hot brake pads. I replaced my rear calipers thinking that was it. I still have the same problem. It may be your MC. Was it new or used when you got it (the MC)? Right now my rear pads wear out in 3 months and my fronts hardly wear. My next step is to change MC when I do my z32 brake swap. Whatever is happening could be seized caliper but your MC might be continually contracting pressure in the line or it could be an adjustment needed on your ebrake. I would look into all options before dropped close to $200 on both calipers. Oh and it is unlikely both would seize at the same time if it is.
biggbadd240sx
08-14-2009, 01:56 AM
ok thanks everyone ill get back to you when i find the problem later
projectRDM
08-14-2009, 12:21 PM
hi im josh i have a 96 240sx with auto to 5 speed so im still using the auto brake booster and MC but i did the swap like 2 to 3 months ago and i just started to feel this in my car..... when im driving sometimes the pistins dont retracked, so i slow down with out pressing the barkes, and i cant accelarate that good either, so if you can help me then pm me or post please, waisting gas lol

English. Try it.
HAWAII
08-14-2009, 12:22 PM
caliper rebuild kit is in order. =)
_Wing_
08-15-2009, 10:03 AM
unlikely to be the master because he didn't change it, but he did change the calipers, so it's most likely the square seal gone and doesn't pull the piston back, or the pistons has seized :(

it's a caliper off job, inspect it... you might be able to get away with a seal kit, a new piston or two or if the bores are gone then throw it all in the bin :|