Question about 2000 Mercury Mountaineer

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Brakes on 2000 Mercury Moutaineer wont stay

Changed brakes, rotors, and calipers on Mountaineer. Bleed the system and the pedal still goes to the floor. The brakes will work fine for 1 or 2 times then the pedal goes to the floor again.

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Did you check the master cylinder? makke sure the cap is on tight....and full of fluid

Posted on Jan 11, 2009

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There Has To Be Air Getting In The Line Somewhere Keep Depressing it And Adding Brake Fluid. Make Sure That When You Bleed The Brakes You Have 2 People 1 Pushing The Brake 1,2,3 Hold And The Other Is By The Bleed Off. Heres The Job For The Second Person They Should Have A Clear Jar Half Full With Brake Fluid And A Hose Comming From The Bleed Valve And The Ither End Should Be Sitting In The Jar In The Brake Fluid. Before The Person Holding The Brakes Releases Tighten The Valve And Then Release The Brakes. Pump, 1,2,3, Then Open The Valve Again To See If Any Air Bubbles Are Visible Coming From The End Of The Hose In The Brake Fluid If So Much As 1 Is Visible Repeat Again. Once Finished Move On To The Other Side. You May Have To Do All 4 Valves One On Every Brake.

Posted on Jan 11, 2009

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2 Answers

Brake pedal drops very low on first press only


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Just replaced the calipers and blead the brakes. Pedal still travels clear to the floor.


Did you bleed the wheel furthest away from the master cylinder? THen next furthest, to closest last. Did u make sure the master cylinder never got low enough to draw in air? To bleed, Pumo brakes 3x, holding pedal down 1/2 way, while bleeder is opened, let air/fluid flow, shut bleeder as flow diminishes so no air gets in the line. Is the car running when u bleed brakes? It should be. If u are doing all of this u should feel your pedal coming back (getting firm). Let me know how you make out. countrycurt0

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