brake pistons wont retracted - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

biggbadd240sx · 08-12-2009, 07:31 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, 07:33 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, 10:50 PM

no not smoke or fire lol, but a weird smell like the pads

Sileighty_85 · 08-12-2009, 11:22 PM

Ummmmm.....Replace the Calipers

VOoDOoGTX · 08-13-2009, 07:39 AM

as said before, piston is seized.

1stock240 · 08-13-2009, 06:19 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, 02:56 AM

ok thanks everyone ill get back to you when i find the problem later

projectRDM · 08-14-2009, 01:21 PM

Quote:

Originally Posted by biggbadd240sx

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, 01:22 PM

caliper rebuild kit is in order. =)

_Wing_ · 08-15-2009, 11:03 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 :|

08-12-2009, 07:31 PM	#1
biggbadd240sx BANNED Join Date: Apr 2009 Location: long beach Age: 22 Posts: 151 Trader Rating: (0)	brake pistons wont retracted 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

08-12-2009, 07:33 PM	#2
adrians_s13 Nissanaholic! Join Date: Jul 2005 Location: long beach, CA ^_^ Age: 25 Posts: 2,270 Trader Rating: (14)	esh... sounds like the pistons are seized. after driving, do you see smoke (or even fire) coming out of the wheels? __________________

08-12-2009, 11:22 PM	#4
Sileighty_85 Nissanaholic! Join Date: Dec 2006 Location: Wishing Back in Okinawa -_- Posts: 2,323 Trader Rating: (0)	Ummmmm.....Replace the Calipers __________________ 後輪駆動車１番 1991 Built SR GT2871R -363whp 1998 S14 W/RB25- Rebuild in Progress

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08-12-2009, 10:50 PM	#3
biggbadd240sx BANNED Join Date: Apr 2009 Location: long beach Age: 22 Posts: 151 Trader Rating: (0)	no not smoke or fire lol, but a weird smell like the pads

08-13-2009, 07:39 AM	#5
VOoDOoGTX Join Date: Jul 2009 Location: New Paltz, NY Age: 21 Posts: 25 Trader Rating: (0)	as said before, piston is seized.

08-13-2009, 06:19 PM	#6
1stock240 Join Date: Jan 2007 Location: Houston, TX Posts: 12 Trader Rating: (0)	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.

08-14-2009, 02:56 AM	#7
biggbadd240sx BANNED Join Date: Apr 2009 Location: long beach Age: 22 Posts: 151 Trader Rating: (0)	ok thanks everyone ill get back to you when i find the problem later

08-14-2009, 01:22 PM	#9
HAWAII Leaky Injector Join Date: Jun 2009 Location: Burbank,Ca Age: 34 Posts: 132 Trader Rating: (5)	caliper rebuild kit is in order. =)

08-15-2009, 11:03 AM	#10
_Wing_ Join Date: May 2006 Location: Aus Posts: 5 Trader Rating: (0)	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 :\|