1994 Ford F-150

Tiny
LEIF.THE.DRUMMER
  • MEMBER
  • 1994 FORD F-150
Transmission problem
1994 Ford F150 6 cyl Two Wheel Drive Manual

My 1994 F150 was running fine until the weather turned cold. One morning I was attempting to leave work and my clutch pedal lost pressure and went straight to the floor. There are no leaks that I can find, but it still wont build pressure. I asked a couple of people and some said that its the master slave, my uncle who is a trusted mechanic said that it is more than likely the master cylinder, but both aren't cheap and the slave definitely isn't easy. Just wanted to know what you all thought! I have attempted to bleed the system and I haven't had to replace any fluid. Could it just be that the master cylinder is bad. Or could it be a massive air bubble in the system?
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Sunday, March 14th, 2010 AT 8:00 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,133 POSTS
I think they are both correct. I believe they are refering to the same thing. The slave cylender (master clender) will do this.
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Sunday, March 14th, 2010 AT 9:06 PM
Tiny
LEIF.THE.DRUMMER
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That is not true through. The Clutch slave cylinder operates the clutch hydraulically. The Clutch master cylinder is what builds the pressure for the slave cylinder to operate.
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Monday, March 15th, 2010 AT 12:54 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,133 POSTS
That is correct. Maybe I worded it incorrectly. They both could be right. However, my first guess is the master cylender unless you have seen a leak.
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Monday, March 15th, 2010 AT 8:00 AM

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