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Anonymous Posted on Mar 07, 2018

My 98 ford expedition is leaking brake fluid between the line and the threaded end on the line that screws into i guess is the brake master cylinder.i replaced the line with a new one and it still leaks.the line runs from the driver front to the back and screws into a gold metal box

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stephen peirce

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  • Ford Master 1,882 Answers
  • Posted on Mar 07, 2018
stephen peirce
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You must make sure that (1)the line is tight but not over ightened if over ightened the flare has cracked and must be replaced (2)be sure you are flaring the tubing correctly that the tubing is sitting properly in the flaring block and that your are cutting the tubing evenly (3)inspect the fitting on the master cylinder and that the new line fitting is// the proper size////metric or sae/////and the master cylinder fitting is not cracked===== also the brass block is a union for both rear wheels you will see the other lines coming out to each wheel unless it' up front then that is a proportional valve ok but I think you have either a cracked line or fitting from over tightening or you are trying to mate an sae fitting with a metric one or improper flaring and crooked tube cutting good luck stephen

5 Related Answers

Anonymous

  • 4669 Answers
  • Posted on Mar 02, 2009

SOURCE: 98' Ford Windstar has a spongy brake

Have you had anyone try to clean and adjust the rear brakes? You will need a shop to scan the van for ABS codes first to cure the ABS light.

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Anonymous

  • 957 Answers
  • Posted on Jun 01, 2009

SOURCE: spongy brakes

Does sound like you need a new master cylinder. On a 2000 you wont need to back bleed. You will just need to follow the instruction and bleed the master and all four points. you will probably need to bleed the ABS block and proportioning valve but only if they have bleeders on them.

Anonymous

  • 1627 Answers
  • Posted on Dec 02, 2009

SOURCE: radiator leak 99 Ford Expedition back drivers side

You are likely leaking coolant from a heater line or hose,check the hose that comes from the water pump{smaller of the two] and see if it has a leak in it or if there is just a loose hose clamp.If you can't find a leak in the hoses or any steel tubes then you need to take it to a radiater shop and have it pressure tested to see if you have a leak in the intake manifold gasket or maybe even the head gasket,good luck.

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Marvin

  • 85242 Answers
  • Posted on Dec 18, 2009

SOURCE: 1999 Ford Taurus, replaced leaking master

There is a special tool required to bleed the brakes, it plugs into the ABS hydraulic control under the hood and holds the ABS valves open to remove the trapped air during bleeding, u will need to have the dealer bleed the brakes, they are most likely the only ones that will have this special too, but u can try an outside shop, I am sure Snap on tools makes this tool in the aftermarket tool catagory..

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Anonymous

  • 58 Answers
  • Posted on Feb 27, 2010

SOURCE: leaking brake fluid from rear driver side brake

They don't make diagrams for brake lines. The lines are sold in bulk. You need to measure and duplicate the bends in the orignal lines and cut/flare the lines yourself. You will need a tubing cutter, flare tool and tubing bender.

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2004 Ford explorer sport trac... Replaced all calipers and have tried bleeding brakes all directions from the ABS unit multiple times. We still have no pedital feel improvement. No leaks.. Please help,...

Here is the procedure from the manual:

  1. Clean all dirt from and remove the brake master cylinder filler cap and fill the brake master cylinder reservoir with the specified brake fluid.
  1. Place a box end wrench on the RH rear bleeder screw. Attach a rubber drain tube to the RH rear bleeder screw and submerge the free end of the tube in a container partially filled with clean brake fluid.
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You need to look at the master cylinder. There are two fluid chambers that should have BRAKE fluid in them. Level should be at least half full. If both chambers (reservoirs) have fluid in them then the master cylinder itself is faulty. Its nothing but a foot actuated pump and it has o rings inside that can fail. sometimes it can Be an intermittent problem....change it...however If there is no fluid in the reservoirs a fluid line going to the brakes is most likely leaking. FYI there are two chambers so that if a line leaks you still have 1/2 of your brakes working. My best guess is your master cylinder is no good. Good luck and don't (cheep) on your brakes.
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Brake diagram

DANGER ! DO NOT DRIVE IT !!!!

cause by:
1: breach in system, see DOT3/4 fluid on pavement or on fire wall
next to MC? front and Rear !!! on inside of tire walls?
2: MC end of lie.
got ABS , you did not say.
my guess, not , it started in 1996, but some cars 91.(have one)

3: air in the system. end to end.
usually caused by removing parts, and not bleeding system

MC = master cyclinder the pedal connects to.
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My brake pedal goes all the way to the floor there is no any brake oil leak i replace the brake master cylinder i bleed the system but still the same what is the correct procedure to bleed brake system...

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It's a 98 Taurus, Wagon, the brake fluid line leaks

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