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Installed installed new master cylinder, brakes are now dragging and getting hot

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Check the brake pedal free travel . This is the distance that the pedal moves down before the rod hits the brake cylinder piston. If there is no free play then the piston is not allowed to move back far enough for the compensating ports to open and let the fluid flow back

Posted on Jan 01, 2014

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Posted on Jan 02, 2017

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SOURCE: 2000 Toyota 4Runner Rear Brake Drag

did you replace the wheel bearings, that is themost common problem for the toy!

Posted on Jun 22, 2009

  • 139 Answers

SOURCE: Front brakes lock up causing hot and smoking front brakes.

This sounds like the master cylinder isnt releasing pressure I would change master cylinder.

Posted on Jul 30, 2009

  • 1206 Answers

SOURCE: The right front brake drags and gets hot

check brake hose where steel clamp is wrapped around it it usually rusts causing it to crush hose if there is no rust visible it will be modulator

Posted on Dec 30, 2009

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3 Answers

What could be the problem? I replace my master cylinder now my brakes drag after driving it a few miles

A few things to check, Is the brake fluid returning to the master cylinder at rest ?, To test jack up one wheel, is it hard to turn, if so slacken off the bleeder screw fluid should be expelled, did the wheel free up, if so the fault is at the master cylinder, check the rod from the pedal to the master cylinder has free play, if not adjust it, if ok there is a fault with the master cylinder buckets swollen or return port blocked. If no fluid was expelled and the wheel is still binding check for frozen wheel cylinder pistons.

Jul 10, 2015 | Cars & Trucks

2 Answers

02 Ford Explorer sporttrac xlt. New rotors calipers pads and master cylinder. Bled it twice stream looks good new fluid. One day breaks stick then the next no breaks Break light on Proportional valve?

For some reason these vehicles you need to bleed brakes several times, had same problem, so air hangs up in lines somewhere it apears. When you say brakes sticks, describe it better, locked up, or dragging on rotors?

Apr 21, 2015 | 2002 Ford Explorer Sport Trac

1 Answer

I'm having a problem with the front-right brake where it's apparently getting very hot. The whole vehicle just recently had a brake job done, drums in back and discs in front. I ended up having to replace...

the brake is getting hot, because it is dragging, i see you have replaced the brake caliper and master cylinder the only thing left is the brake hose that aitches to the caliper, it must not be releasing the fluid back to the master cylinder.

hear is a way to test the brake system to find out what is causing the drag.

jack up the car and place on jack stands, have someone pump up and hold the brakes, wile you put pressure on the wheels, the instant the brake peddle is released the wheel should turn easily, if it does not open the bleeder if the wheel instantly turns easily then you need to replace the hose if not then replace the caliper.

Jan 25, 2011 | Honda Accord Cars & Trucks

3 Answers

Yhe brakes feel tight. what can that be?

You mean they act like they are applied? jack it up and try to turn each wheel. If both fr wheels are hard to turn, might be calipers. Was any brake work done recently

Mar 19, 2010 | 2000 Dodge Caravan

1 Answer

How to take off brake booster

Basically remove fluid from master cylinder wtih siringe.
Carefully remove brake lines with the proper wrench.
Remove master cylinder.
Once the master is removed you can see the bolts holding the booster on remove them and remove the booster. Installiation is the reverse.
Be careful of the push rod. Do not touch the adjuster nut on it until you have installed the new booster and mastercylinder and feel the need for adjustment of the rod. The only time I would touch it is if after bleeding you feel as if the brakes were dragging or pedal travel was extensive.
I strongly recommed you get a shop manual for this procedure.

Mar 15, 2010 | Toyota Corolla Cars & Trucks

3 Answers

One brake rotor gets very hot after 30 miles

on the wheel that is hot, jack it up and see it the wheel spins free or drags? if it drags, then loosen bleeder on the caliper, it if now spins free, you want to replace that caliper hose, if it is still dragging, then the caliper piston is stuck and you will need to replace it.

Sep 28, 2009 | GMC Sierra 1500 Cars & Trucks

1 Answer

2004 buick park ave. rt front brake drags, gets hot! caliper replaced, twice! brake hoses replaced, new master cylinder cap and gasket, bled all fluid from system, and replaced with new. seems to drag on...


Sep 09, 2009 | Buick Park Avenue Cars & Trucks

1 Answer

How do you adjust the brake rod on drum power brakes for my 75 Gremlin, I replaced the master cyl.and now I get a brake pedal that is grinding and heating up. The wheels are not hot but the master cyl. is...

First did you replace the master cylinder? If you did you should have adjusted the rod so that you have 1-inch free play at the pedal before installing. You would normally back off the nut just enough to get it loose then install the new one. For the drums you adjust the brake drum tensioned to the point that with two lug nuts holding the drum in place it slightly drags and that would be adjusted threw the brake drum adjustment hole. If you have one to tight it will cause the master cylinder to get hot so jack it up off of the wheels and see if you have one wheel that won't turn freely if you do that’s the one you got to loosen up.

Aug 03, 2009 | AMC Concord Cars & Trucks

1 Answer

2000 Toyota 4Runner Rear Brake Drag

did you replace the wheel bearings, that is themost common problem for the toy!

Jun 22, 2009 | 2000 Toyota 4Runner

2 Answers

Excessive dragging of new disc brakes

It's normal for new pads and rotors to have a "wear-in" period but only for say 50-100 miles of average driving... Disc brake DO get pretty hot, especially after prolonged or hard braking... (going down long hills or a lot of hard stops)... also front brakes actually supply 60% of stopping force... If they aren't to hot to touch the wheel or smoking you are probably OK... One thing to make sure of is that the pedal has "free play"... usually a fraction of an inch before the brake push rod actually pushes the master cylinder piston. Without this free play the brakes WILL drag all the time and wear prematurely... but unless you replaced the master cylinder or the locknut on the push rod adjuster has come loose it's rare to have that problem... The only other cause of this would be a malfunctioning ABS unit and you would feel a definite pulsation... Hope this helps...;-)

Apr 18, 2009 | Dodge Dakota Cars & Trucks

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