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Stuck brake caliper

Posted on 7/19/17 at 3:54 pm
Posted by TigersHuskers
Nebraska
Member since Oct 2014
11310 posts
Posted on 7/19/17 at 3:54 pm
It's making a hissing sound while driving so I'm pretty sure it's this issue. Any of you guys know any fixes for this?
Posted by StrongBackWeakMind
Member since May 2014
22650 posts
Posted on 7/19/17 at 3:55 pm to
Getting it unstuck would be my guess.
Posted by Boudreaux35
BR
Member since Sep 2007
21578 posts
Posted on 7/19/17 at 3:55 pm to
Replace the caliper.
Posted by Neck
A land far far away
Member since May 2012
246 posts
Posted on 7/19/17 at 3:57 pm to
Draining the brake fluid would be the only way to unstick it
Posted by Hangover Haven
Metry
Member since Oct 2013
26702 posts
Posted on 7/19/17 at 3:59 pm to
What type of vehicle...?

Sure your pads don't need to be replaced...?

Easy fix... Brake calipers are cheap...
This post was edited on 7/19/17 at 4:00 pm
Posted by Eli Goldfinger
Member since Sep 2016
32785 posts
Posted on 7/19/17 at 3:59 pm to
Be careful driving...you could have a bad cylinder.
Posted by Hangit
The Green Swamp
Member since Aug 2014
39231 posts
Posted on 7/19/17 at 4:01 pm to
Spray WD-40 on everything within a foot of it. Speed up to qualifying time, then test for stickiness.
Posted by Jack Daniel
In the bottle
Member since Feb 2013
25552 posts
Posted on 7/19/17 at 4:07 pm to
Replace the caliper.
Posted by troyt37
Member since Mar 2008
13355 posts
Posted on 7/19/17 at 4:17 pm to
The caliper itself does next to nothing other than house the piston(s) that push the pads, and provide a place for the pads to sit against the rotor.

If the car stops, but makes noise when you hit the brakes, overwhelming odds are you need to replace the pads.
Posted by Rebelatheart42
Down South
Member since Sep 2016
862 posts
Posted on 7/19/17 at 4:58 pm to
You need new pads. It stops when you hit the brakes because they press against the rotor. If you wait to long to change them, you will end up having to have your rotors turned or replaced. From the sound, you may already be at the point of at least needing them turned.
Posted by mikrit54
Robeline
Member since Oct 2013
8664 posts
Posted on 7/19/17 at 6:11 pm to
Should have let your wife drive.
Posted by Alleman
St. George
Member since Apr 2013
741 posts
Posted on 7/19/17 at 8:51 pm to
Fixing a stuck caliper may be as simple as regreasing the caliper pins, using a good, high temperature grease.
There is a better chance the pin has corrosion which is causing the sticking, in which case the pins need to be replaced at a minimum, probably the whole caliper.

If the caliper was sticking then it is likely the brake pads need to be replaced because the stuck calipers caused the pads to stay in contact with the disk resulting in the brake pads overheating.

The time my caliper got stuck, the brakes became so hot there was smoke coming from the rear wheel well and I was concerned something would catch fire. Did I mention the gas tank is real close to the rear wheel.... Serious pucker factor that day.
Posted by Jim Rockford
Member since May 2011
98328 posts
Posted on 7/19/17 at 10:25 pm to
Brake calipers are trashy.
Posted by Spankum
Miss-sippi
Member since Jan 2007
56105 posts
Posted on 7/19/17 at 10:50 pm to
I am not trying to be condescending, but if you don't know the answer to this, then you probably shouldn't be working on your own brakes. time for a brake job.
Posted by TIGER2
Mandeville.La
Member since Jan 2006
10488 posts
Posted on 7/20/17 at 1:19 am to
If the caliper was truly stuck or sticking, you could lift the wheels off the ground and turn each one by hand and find the one that is sticking.
Posted by dbeck
Member since Nov 2014
29453 posts
Posted on 7/20/17 at 1:24 am to
I replaced my brake pads a few months ago and greased the caliper pins but I had one fricking lock up while I was driving so I had to go buy new calipers and replace them on the side of the road.

Apparently the piston can wear a groove in the cylinder and get stuck. Better to replace it if you think it's sticking.
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