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Brake pedal sticking

MessiTom

Member
Joined
November 5, 2013
Messages
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City, State
central PA
Year, Model & Trim Level
99 Explorer 2dr 4ltr 5spd
Hello.

My dad gave me his 99 explorer sport. It sat for a few years and has a few very minor easy fixes.

I wanted to ask about one of these problems though. The brake pedal wont return back "up" after being pressed. The pedal isnt mushy or going to the floor. I havent had a chance to even give this vehicle a look over yet. I was just trying to gather some initial thoughts. In a spin around the block the drivers side front squeeks like crazy during braking.

Iam really hoping this isnt a booster or master cylinder problem.
 



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Had the same problem in my F150, it was a bad booster...sorry.

Bill
 






probably the booster, but get the replacement booster with a new master cylinder just in case.
 






probably the booster, but get the replacement booster with a new master cylinder just in case.

+1 don't replace the booster without the master cylinder as well...one may have contributed to the demise of the other. Also, be cognizant of the push rod free play adjustment-very important, don't just gloss over the instructions that come with the booster

Bill
 






Thank you for the replies. Ugh This truck looks like it sat in salt for 3 years. it looks to need rotors all around and maybe calipers. The brake fluid is nearly black.
 






I just remembered something. The pedal dosent stick if the vehicle isnt moving.

Does that make a difference?
 






I just remembered something. The pedal dosent stick of the vehicle isnt moving.

Does that make a difference?

that says bad booster to me.
 






Darnit! lol ^

OK thanks again
 






It's always a good idea to flush out the brake fluid if a car has been sitting that long.
Flush and clean the calipers too.

Actually, it's a good idea to flush and replace the brake fluid periodically even if it's a daily driver.

I would have thought that the pedal sticking would mean the master cylinder needs cleaning out but as I've never experienced a bad booster I can't really say.
 






DOT3/4 brake fluid should be flushed every 2 years, but few people do this. I replace mine every time I do a brake job. While on the subject of doing brake jobs, you should open the bleeder valves before pushing the caliper pistons in. if you don't, you're just pushing a bunch of junk into your ABS module.
 






A Very good tip. Thank you. I do plan on replacing everything at the wheel ends first including the fluid

Did I mention rust? lol look at this rotor
IMAG3008_zps32f2e967.jpg
 






Can anyone tell me what years I could get a booster/cylinder from that match my 99?
 






99-01 are the same. Reman booster can be had for $60+ core, new master cylinder is around 60, you're going to pay $100 for a junkyard takeoff of dubious background...

Bill
 






Thank you all for this info! This is greatly appreciated.
 






Hello.

My dad gave me his 99 explorer sport. It sat for a few years and has a few very minor easy fixes.

I wanted to ask about one of these problems though. The brake pedal wont return back "up" after being pressed. The pedal isnt mushy or going to the floor. I havent had a chance to even give this vehicle a look over yet. I was just trying to gather some initial thoughts. In a spin around the block the drivers side front squeeks like crazy during braking.

Iam really hoping this isnt a booster or master cylinder problem.
I had that sticking problem , and the brakes would be smoking hot in minutes , it was the calipers stiking and I changed 2 front calipers and that fixed it
 






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