Question about 1993 Jeep Cherokee Country

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Put a knew master cylinder in and the pedal goes to the floor i need to know what is causing it.

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Usually, the pedal will go to the floor when the system has air, or has not been properly bled. Bleed the system and get all of the air out. As the air is removed from the system, the pedal will firm up.

Posted on May 18, 2011

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1 Answer

How to detect if power booster bad


If power booster is bad it will cause a hard pedal, If master cylinder is bad. pedal will go to floor .running or not. when the brake pedal goes down at a standing stop, it is the master cylinder losing vacuum.( replace). Hope this helps you!

Jul 21, 2014 | 2000 Chevrolet Blazer

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08 expedition new m/c still pedal goes to floor


Don't know how you knew the master cylinder needed
to be, or why it was replaced

They don't fail as often as you hear about reading this
type of web site

If you had braking issues & a fairly decent brake pedal
before new parts went on,then the system wasn't bleed correctly.

I never bench bleed any master cylinder

As you walk it to the vehicle all the fluid runs out,
so why bother,just bleed all 4 corners & your done

Jan 21, 2013 | 2008 Ford Expedition

1 Answer

BRAKES BLED PEDAL GOES TO FLOOR WHEN STARTED


if a master cylinder is bad and you are sure you have all the air out and no leaks.pedal will go to floor , running or not. if booster is bad it will cause a hard pedal. but if master cylinder is bad it will turn on a brake light on dash if it works. make sure the wheel cylinders are not leaking. I beleive that the master cylinder is bad, or you have a leak somewhere. If the master cylinder is functioning properly, the brake pedal will depress to a certain depth and no further.

Apr 20, 2012 | 2000 Chevrolet Blazer

2 Answers

1999 buick century brake pedal goes to floor-put new master cylinder on and blead both brake lines and master cylinder and pedal still goes to floor


Sounds like you may have a hydraulic leak somewhere. Check the rear wheel cylinders and front brake hoses going to the calipers.

Jan 26, 2012 | 1999 Buick Century

1 Answer

Brake pedal goes to floor but you can pump it up on a 98 chevy 1/2 ton could it be something else besides the master cylinder because after its pumped up the pedal will hold steady and not creep to the...


check around the wheels for signs of brake fluid. the most likely cause is the master cylinder.is there anyway air is in system? from repairs made recently? this will cause problem so can try bleeding and if does not cure replace master cylinder

Dec 09, 2010 | 1998 Chevrolet K1500

2 Answers

UNABLE TO ENGAGE GEARS WHEN ENGINE RUNNING ( CAN ENGAGE GEARS WITH ENGINE OFF ). CLUTCH PEDAL GOES STRAIGHT TO THE FLOOR WHEN PRESSED


Need to have it check could be clutch master cylinder or slave cylinder or hose from clutch master cylinder to slave cylinder.check brake fluid at clutch master cylinder sit next to brake master cylinder if empty could have a leak. fill and pump peddle and look for leak.

Jan 12, 2010 | 2001 Ford Focus

2 Answers

Brakes are gone


check ur brake lines for posible leaks. also make sure to bleed your brakes after you put fluid into it or else the air won't come out of the brake lines causing ur pedal to still go to the floor

May 27, 2009 | 1998 GMC Blazer

1 Answer

Brake pedal goes down to floor. Putting brake fluid doesn't solve problem. Vehicle must coast to a complete stop.


First look for obvious leaks under the vehicle, especially the inside area of each wheel... If you see fluid, you have either a blown cylinder seal or a bad line (check the rubber hoses to the front and back brakes too) Repair the offending part and bleed the air out of the system... (remember to clean pads or shoes if they have fluid on them)... If you see no hint of leakage anywhere, then suspect the master cylinder... if you remove the master cylinder, check and make sure that it didn't leak fluid into the brake booster diaphragm (Brake fluid will destroy the booster)... as in any repair when you open the system (lose fluid), you will need to bleed out the air to restore function... hope this helps...;-)

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