bleeding the slave! - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 03-01-2007
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bleeding the slave!

I searched, I read the "vacuum bleed", "reverse bleed", "gravity bleed", "pump 50 times".

Well I tried a bottle & hose on the nipple to apply vacuum. Got some bubbles, repeated about 20 times. Obviously wasn't getting anywhere.

So I busted out the pressure bleeder. The sun was going down to I dragged out the drop light. Climbed into the attic to get the mityvac, pressurized the master res to 15psi, opened the bleeder, watched the bubbles rise in the inverted bottle, pump the pedal 50 times with 5psi on the res, repeat about 20 times. STILL NOTHING!

I guess I'll try pressurizing the res, opening the valve, pressing the pedal & holding it down, closing the valve, then lifting the pedal with the pressure still on the res.

jfc!
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Old 03-01-2007
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just replace it if it isnt working. i have to do mine soon anyways but when i do i am going with a aluminum flywheel and better clutch
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Old 03-01-2007
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Quote:
Originally Posted by ranger
just replace it if it isnt working. i have to do mine soon anyways but when i do i am going with a aluminum flywheel and better clutch
lol The reason I'm doing this is because I just installed a new slave in a rebuilt gearbox and a new master... I've been busting my butt. It's all together, I'm just stuck in neutral.
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Old 03-01-2007
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ok i c. i am sorry
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Old 03-03-2007
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Originally Posted by ranger
ok i c. i am sorry
No problem. Last night I yanked the line out of the slave & pressed in valve in to bleed the line, then repeated the whole process with 15psi applied to the master res. Still nothing.

I've come to the conclusion there must be a good sized bubble trapped at the top of the master. (with a hint from a google search):
http://www.perfectionclutch.com/002_...se_system.html

"Ford Ranger clutch systems (also includes Aerostar, Explorer and Bronco II) require special procedures to bleed the hydraulics properly. The mounting position [Click Here for Diagram] of the master cylinder on the firewall traps air in the rear portion of the cylinder. Before bleeding the system, remove the master cylinder from the firewall and position it so the reservoir end is higher than the push rod end. This will enable air to escape from the rear position of the cylinders."

Now I just need it to stop raining. lol screw it I'm off to the gun range to blow off some steam.
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Old 03-03-2007
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Sure enough, the master was holding air. I unhooked the rod from the pedal and unbolted the master from the firewall then jammed a chunk of wood under the master to keep the tip elevated. I then gravity bled the line, then the slave, then pressurized the res & bled the slave again.

It now goes into gear without grinding. It's tough to get into gear, but at least it's started!
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