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Stuck brake caliper story #4800938
06/29/18 08:57 PM
06/29/18 08:57 PM
Joined: May 2012
Posts: 2,494
Indiana
Phishin Online content OP
Phishin  Online Content OP
Joined: May 2012
Posts: 2,494
Indiana
I jump on the highway this evening and about 1 mile down the road, I think: something ain't right. The steering wheel is vibrating and my Accord keeps downshifting on a flat road to maintain speed set by the cruise control.

Rest stop is 1/2 mile ahead. I pull over. Slight smoke coming from front right wheel. The rim is hot. I don't know what to do. I need to get to an appointment in 40 minutes that's 30 miles away. I go into bathroom and repeatedly grab 40 ounce cups of cold water and drown the caliper and rotor... There's a steam bath pouring off the wheel. After about 2 gallons of water were poured onto the brakes, the steam stopped.

I slowly backed the car up a few feet and moved it forward.... There was no noise and appeared that no drag was present. I got back on the highway, hit 55mph for a few miles, pulled off at the exit, and the wheel wasn't hot.

I completed my trip, 90 miles total, without further issues.

What could have caused this??

The front brakes were replaced 20k miles ago. There's plenty of pad left. That same rotor was "hung up" 20k miles ago, and that same wheel not only got new pads and rotors, but also a new caliper and brake line because of the excessive heat generated from being "stuck". Today the new caliper WAS hung up, but it seems ok now.

The last time I drove the car was Sunday, and I was on the turnpike for 800 straight miles, going 80-90 mph, making a few stops as I drove back to Indiana from New Haven, Connecticut. There wasn't an issue then.

And as a side note: the rotor isn't warped from getting smoking hot and then being drenched in water. There is ZERO shake or vibration in the steering wheel when I apply the brakes.

Last edited by Phishin; 06/29/18 09:03 PM.

2018 Chevy Silerado 3500HD 6.0L Gas: RLI 10w30
2010 Accord-LX K24: VSP 0w20/MaxLife 10w30 + LG BioTech HD
2014 CR-V LX K24: M1 0w30
Re: Stuck brake caliper story [Re: Phishin] #4800946
06/29/18 09:12 PM
06/29/18 09:12 PM
Joined: Sep 2004
Posts: 7,514
Marshfield , MA
andyd Offline
andyd  Offline
Joined: Sep 2004
Posts: 7,514
Marshfield , MA
Just a wild guess. The caliper slides need attention


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: Stuck brake caliper story [Re: Phishin] #4800953
06/29/18 09:22 PM
06/29/18 09:22 PM
Joined: Oct 2012
Posts: 4,590
Taiwan
Ducked Offline
Ducked  Offline
Joined: Oct 2012
Posts: 4,590
Taiwan
As above. Whatever it was that was stuck, its a fair bet that the dimensional changes caused by your emergency thermal shock un-stuck it. Its likely it'll stick again though, and that is a high risk technique to use routinely.

Strip, clean, and lubricate.

Re: Stuck brake caliper story [Re: Phishin] #4800954
06/29/18 09:25 PM
06/29/18 09:25 PM
Joined: Dec 2014
Posts: 1,426
NY, USA, etc.
oilpsi2high Offline
oilpsi2high  Offline
Joined: Dec 2014
Posts: 1,426
NY, USA, etc.
You probably warped the caliper slides to the point where they aren't even allowing the caliper to move anymore.

I'd replace the caliper and lube everything at the bare minimum.

Re: Stuck brake caliper story [Re: Phishin] #4800984
06/29/18 10:15 PM
06/29/18 10:15 PM
Joined: Nov 2008
Posts: 12,519
NH
supton Online content
supton  Online Content
Joined: Nov 2008
Posts: 12,519
NH
I'd tear it apart and find out what is up. Make sure to push the Piston in and see if it is hard to push--if so, replace caliper. Otherwise lube up and keep an eye on it.


2011 Toyota Camry, base, 2.5L/6MT, 163k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 144k, ours
1999 Toyota Camry LE, 2.2L/4AT, 187k, his
Re: Stuck brake caliper story [Re: Phishin] #4800989
06/29/18 10:23 PM
06/29/18 10:23 PM
Joined: Mar 2008
Posts: 6,793
USA
slacktide_bitog Online content
slacktide_bitog  Online Content
Joined: Mar 2008
Posts: 6,793
USA
Replace the caliper anyway. Because next time, it won't be ok later.

The best ones to get are Cardone Ultra or Napa Eclipse. They are coated to stop the rust.

Re: Stuck brake caliper story [Re: slacktide_bitog] #4800992
06/29/18 10:27 PM
06/29/18 10:27 PM
Joined: May 2004
Posts: 2,489
Northeast
sxg6 Offline
sxg6  Offline
Joined: May 2004
Posts: 2,489
Northeast
The green Permatex ultra synthetic caliper grease locked up the lower guide pins on my Subaru.. The bottle doesn't say anything about how it's only for metal to metal contact, it clearly says that you can use it on guide pins.. Except for on cars like mine that have rubber anti-rattle bushings on the metal guide pins. So I guess I'm trying to say, I wonder if your caliper guide pins have rubber bushings on them that swelled and froze the caliper. Granted, my brakes didn't fully lock up or anything. The pad on inside that the pistons push against was doing the braking, and had more wear than the outer pad.

Re: Stuck brake caliper story [Re: Phishin] #4801005
06/29/18 10:52 PM
06/29/18 10:52 PM
Joined: Jul 2005
Posts: 30,415
NY
demarpaint Offline
demarpaint  Offline
Joined: Jul 2005
Posts: 30,415
NY
If you're going to replace the caliper you might as well do the brake hose too. Often the hose breaks down from the inside out and some that material can break loose and cause the caliper to malfunction. Replacing the caliper alone and leaving a bad hose can cause the replacement caliper to fail early.


God Bless Our Troops

Re: Stuck brake caliper story [Re: Phishin] #4801085
06/30/18 04:26 AM
06/30/18 04:26 AM
Joined: Mar 2008
Posts: 607
A Warm place to live in
berniedd Offline
berniedd  Offline
Joined: Mar 2008
Posts: 607
A Warm place to live in
Until you get it figured out, bring lots of plastic jugs filled with water.

Re: Stuck brake caliper story [Re: Phishin] #4801086
06/30/18 04:32 AM
06/30/18 04:32 AM
Joined: Jan 2011
Posts: 2,711
N.Ohio
Lubener Offline
Lubener  Offline
Joined: Jan 2011
Posts: 2,711
N.Ohio
Caliper itself, internal failure of brake hose or binding caliper slides.


The "thinking" man's friend.
Re: Stuck brake caliper story [Re: Phishin] #4801091
06/30/18 04:45 AM
06/30/18 04:45 AM
Joined: Feb 2013
Posts: 3,226
Central Virginia
Silverado12 Online content
Silverado12  Online Content
Joined: Feb 2013
Posts: 3,226
Central Virginia
I agree with the flexible brake hose. This is a common problem and should be replaced with the caliper.


12 Chevy Silverado ext. cab LS, 2WD 4.3 auto
18 Mustang GT 5.0 auto
07 Harley Dyna Street Bob 96 c.i. 6 sp.
00 Mustang GT auto
Re: Stuck brake caliper story [Re: demarpaint] #4801098
06/30/18 05:38 AM
06/30/18 05:38 AM
Joined: Nov 2006
Posts: 19,890
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 19,890
MA, Mittelfranken.de
Originally Posted By: demarpaint
If you're going to replace the caliper you might as well do the brake hose too. Often the hose breaks down from the inside out and some that material can break loose and cause the caliper to malfunction. Replacing the caliper alone and leaving a bad hose can cause the replacement caliper to fail early.


+1 Good call Frank. Not saying that's the only possibility but its good practice. It could be slides, piston binding, pins, hardened grease on the pins, etc.
I would get a pair of Reybestos Opti-Cal calipers from Rock, they are brand new not rams and are only about $60ea. These are what I am using now instead of remans, there is no core so if you have OE never rebuilt calipers you can keep them to rebuild yourself later.


ASE L1, Master. Deutsch Meisterbrief.
Re: Stuck brake caliper story [Re: Phishin] #4801109
06/30/18 06:09 AM
06/30/18 06:09 AM
Joined: Mar 2004
Posts: 20,743
Upstate NY
Donald Online content
Donald  Online Content
Joined: Mar 2004
Posts: 20,743
Upstate NY
I suspect you know the answer already. Pull the caliper and examine everything that moves. If its the sliding pins then clean and lube if pins are not rusted, if rusted then replace the pin. If piston does not do back in, replace caliper, if nothing is found, then replace flex hose.

Check rotor with a dial gauge for runout.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Stuck brake caliper story [Re: Phishin] #4801164
06/30/18 07:48 AM
06/30/18 07:48 AM
Joined: Jun 2003
Posts: 33,070
ME
eljefino Offline
eljefino  Offline
Joined: Jun 2003
Posts: 33,070
ME
I had this happen. The car had been sitting a couple years. But the final cure was a new master cylinder. The little hole in it that lets fluid back up when the foot's off the pedal was restricted/ blocked/ pedal pushrod out-of-calibration. After fixing the calipers I sometimes had a rock-hard pedal-- the hydraulics had a pressure preload. You should always have a little slop.


Re: Stuck brake caliper story [Re: Donald] #4801195
06/30/18 08:29 AM
06/30/18 08:29 AM
Joined: Oct 2012
Posts: 4,590
Taiwan
Ducked Offline
Ducked  Offline
Joined: Oct 2012
Posts: 4,590
Taiwan
Originally Posted By: Donald
I suspect you know the answer already. Pull the caliper and examine everything that moves. If its the sliding pins then clean and lube if pins are not rusted, if rusted then replace the pin. If piston does not do back in, replace caliper,



You can actually strip and clean calipers, if you can be bothered. Quite satisfying.

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