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OT mechanics: brake question.

Posted on 4/18/19 at 7:38 pm
Posted by Abikaasa_Posti_Teel
Prairieville
Member since Jan 2007
2149 posts
Posted on 4/18/19 at 7:38 pm
Got 81,000 miles on the car and back left brake is squeaking bad.
So I replaced them both and rotors about 2 months ago. It's back to squeaking.
I have noticed when it rains or if I get it washed, it stops for awhile...but eventually starts again. My brake fluid level is fine.
Is there a type of lubricant I can put on them or something? I am very confused by this.

Your help is much appreciated!!
This post was edited on 4/18/19 at 7:41 pm
Posted by Bedhog
Denham Springs
Member since Apr 2019
3741 posts
Posted on 4/18/19 at 7:39 pm to
:Break:
Posted by Eli Goldfinger
Member since Sep 2016
32785 posts
Posted on 4/18/19 at 7:39 pm to
Your calipers are probably sticking.

The cylinders get worn out and stop working or the fluid gets dirty and causes them to stick.

It may be so little friction that it’s imperceptible, but still enough to wear down the pads.

Next time you go on a drive, feel your wheels when you get out. The ones that are hot are the culprits.
This post was edited on 4/18/19 at 7:43 pm
Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
73674 posts
Posted on 4/18/19 at 7:39 pm to
Sounds like cheap brakes/pads or you just replaced the pads and not the rotors.

There is 'brake glue' but your problem seems to be the mating of the pads and face.
Posted by Bedhog
Denham Springs
Member since Apr 2019
3741 posts
Posted on 4/18/19 at 7:40 pm to
Roters.


Posted by Abikaasa_Posti_Teel
Prairieville
Member since Jan 2007
2149 posts
Posted on 4/18/19 at 7:40 pm to
I used expensive ones cause the mechanic said the same thing.
Posted by Booyow
Member since Mar 2010
3990 posts
Posted on 4/18/19 at 7:40 pm to
You want to lubricate a part that relies on friction to function properly. Think about that for a second, chief...
Posted by USMEagles
Member since Jan 2018
11811 posts
Posted on 4/18/19 at 7:41 pm to
There are "brake pad dressings" for that, but I'd try this first:

Check the torque on everything you can find around the caliper.

Spray the piss out of it with a garden hose, being careful not to wet down anything vulnerable or important.

Make a few really hard stops in a safe area with no one else in the car.


EDIT: And check your lug nut torque, with a real torque wrench. Don't torque your lug nuts without one. It's easy to warp rotors.
This post was edited on 4/18/19 at 7:43 pm
Posted by Bedhog
Denham Springs
Member since Apr 2019
3741 posts
Posted on 4/18/19 at 7:41 pm to
This has to be a troll
Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
73674 posts
Posted on 4/18/19 at 7:41 pm to
quote:

Bedhog


You are what makes the internet a terrible place. Not even clever.
Posted by Abikaasa_Posti_Teel
Prairieville
Member since Jan 2007
2149 posts
Posted on 4/18/19 at 7:42 pm to
Lol...cut me some slack try to type and feed a baby at the same time!
Posted by Spankum
Miss-sippi
Member since Jan 2007
55973 posts
Posted on 4/18/19 at 7:43 pm to
There is generally a little tube of shite in with the brake pads that you are supposed to squeeze on the back side of the pad while installing it.
Posted by CaptainsWafer
TD Platinum Member
Member since Feb 2006
58304 posts
Posted on 4/18/19 at 7:46 pm to
Always called it the “stop squeak” that comes with the pads.

ETA Maybe OP didn't seat or bed the pads.
This post was edited on 4/18/19 at 7:48 pm
Posted by mpar98
Baton Rouge
Member since Jan 2006
8034 posts
Posted on 4/18/19 at 7:47 pm to
What's squeaking? Brake pads on the rotors don't squeak...have they worn down to an indicator? I did my wife's brakes a few weeks back and noticed the retaining pins were touching the rotors causing a squeak. Fixed and good to go...does your rear brakes have those?
Posted by USMEagles
Member since Jan 2018
11811 posts
Posted on 4/18/19 at 7:50 pm to
quote:

Always called it the “stop squeak” that comes with the pads.


Definitely could be that. I don't think it's a huge deal if you forget that part of the job. You just rub the solid metal part behind the pad, which is seldom a practical problem. Correct me if I'm wrong.
Posted by L1C4
The Ville
Member since Aug 2017
13142 posts
Posted on 4/18/19 at 7:52 pm to
Brakes are for quitters.
Posted by Parmen
Member since Apr 2016
18317 posts
Posted on 4/18/19 at 7:58 pm to
Automotive board
Posted by SEClint
New Orleans, LA/Portland, OR
Member since Nov 2006
48769 posts
Posted on 4/18/19 at 8:00 pm to
Throw lemon juice on it
Posted by Hangit
The Green Swamp
Member since Aug 2014
39031 posts
Posted on 4/18/19 at 8:22 pm to
quote:

You want to lubricate a part that relies on friction to function properly.


Without friction, none of us would be here.

Posted by soccerfüt
Location: A Series of Tubes
Member since May 2013
65524 posts
Posted on 4/18/19 at 8:28 pm to
quote:

Got 81,000 miles on the car and back left brake is squeaking bad.
It squeaks the song “Bad”?

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