Question about Ford Fairmont
Posted by Anonymous on
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Posted on Jan 02, 2017
You are correct in the assumption that the power assist is the problem. The brake booster has either failed completely or has a broken vacuum line. Please check that the booster lines are intact and if so, get yourself a new booster.
Posted on Jan 16, 2009
Is the engine also running poor such as tries to stall or the RPM is high? Is there an unusual suction type sound? Check the vacum hose to the brake booster, if loose, cracked or a hole in it.
This is about a 1/2" diameter hose and goes to the booster from the engine for power brake assist.
Posted on Mar 22, 2009
When you press on the brake? Have your brake vacuum assist checked. It,s that bigspaceship looking thing between the brake master cylinder an firewall. good luck and be safe.
Posted on May 25, 2009
They need to be bleed again all four wheels but your vacuum pump may be bad since diesels don't have vacuum then have to have a pump, check that the booster one way check valve is good if you can blow thew it both ways it's bad, to bleed start from the wheel farthest away from the master cylinder pump the brakes 5 times and hold down then open the bleed valve keep doing this until you get clear fluid out of each wheel once you have done that if it is still mushy and you know you have vacuum re bleed with engine running this will help push more out with power assist. most like the hard brake pedal had to do with no vacuum check out the pump. You may also have to reset the 2 way check valve if you need help with this let me know.
Posted on May 28, 2009
SOURCE: Hard break pedal
there is a bulletin in ford motor company about a vacuum hose from de brake system this hose dosn't have clamp and the new has it you need to take your mark lt to a dealer. you can see the hose under the truck beside the TR sensor a litte upper. sorry my english is bad
Posted on Aug 04, 2009
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