1997 Ford F-150 leaking Master cylinder

Tiny
DEWAYNE
  • MEMBER
  • 1997 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 169,000 MILES
I replaced the master cylinder but it is leaking from the bottom. Is it possible that it is cracked. Is there a gasket between the power assist and the master cylinder?
Thursday, June 4th, 2009 AT 7:44 PM

5 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
I thought I've answered this already

If its leaking at the end of the MC where it meets up the brake pedal-The primary and secondary piston seals are leaking

There's no gasket there


https://www.2carpros.com/forum/automotive_pictures/12900_brake_master_cylinder_1.jpg

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Thursday, June 4th, 2009 AT 8:00 PM
Tiny
DEWAYNE
  • MEMBER
  • 7 POSTS
The seals are on the reservoir, correct? Do I need to replace the reservoir. Do I have to bleed the brakes if I remove the reservoir?
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Thursday, June 4th, 2009 AT 9:09 PM
Tiny
RASMATAZ
  • MECHANIC
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Sir the master cylinder is leaking it doesn't matter where its leaking it needs replacing.
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Thursday, June 4th, 2009 AT 9:22 PM
Tiny
DEWAYNE
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  • 7 POSTS
Whoa, Whoa, Whoa, I just asked a legitimate questsion. The reservoir is not the master cylinder and I just replaced the master cylinder. So should I replace the master cylinder and the reservoir
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Friday, June 5th, 2009 AT 10:07 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Replaced the master cylinder but it is leaking from the bottom. This one gave me a curveball.

Sir-you might as well replace both-The brake system is the most deadliest system of all -don't gamble replace it.
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Friday, June 5th, 2009 AT 3:33 PM

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