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Old 06-30-2010, 12:52 AM
4evermodding 4evermodding is offline
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Default Bleeding clutch master cylinder

Hi folks, what's the best way to bleed ur clutch system? Some say do it at the truck and some say do it with the master cylinder off the truck, idk also what is the process step be step for my 01 ranger? Thanks
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Old 06-30-2010, 04:17 AM
wvcat wvcat is offline
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Default Re: Bleeding clutch master cylinder

If the system hasn't run dry you can do it on the truck by opening the bleeder and letting it gravity bleed. If it has run dry you will get an air lock in the master cylinder and have to remove it from its mount before you gravity bleed it. This can be done by unhooking the push rod from the pedal and twisting the master cylinder to get it loose from the mount and positioning it so the end with the clutch line on it is higher than the end with the push rod. Either way its not necessary to pump the pedal.
Good luck!
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Old 06-30-2010, 11:57 PM
4evermodding 4evermodding is offline
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Default Re: Bleeding clutch master cylinder

So John are you basically saying to take the master cylinder and open the valve and let it drip? so am i bleeding the master cylinder or the clutch master cylinder? and could you explain in a little more detailed for me buddy, im a little slow these days, thanks
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Old 07-01-2010, 04:22 AM
wvcat wvcat is offline
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Default Re: Bleeding clutch master cylinder

I am refering to the clutch master cylinder. The clutch system consists of 3 components. The resivoir(mounted to the fender), the master(mounted to the clutch pedal and protruding under the brake master cylinder), and the slave inside the trans. If the resivoir has run dry you will most likely have air in the clutch master. The problem is gravity. If the air gets into the master it gets trapped because the master is pointing down hill so when you bleed it it cannot let the air push thru. To get the air out you have to take the master out of its mount so you can position it upward(line end) so the air can escape. Yes the clutch will gravity bleed, just open the bleeder and it should drip(or run) brake fluid. Make sure you don't let the resivoir go dry while bleeding.
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Old 07-01-2010, 04:54 AM
00siblue 00siblue is offline
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Default Re: Bleeding clutch master cylinder

CLUTCH SYSTEM BLEEDING

Materials

CAUTION: Brake fluid is harmful to painted or plastic surfaces. If the brake fluid is spilled onto a painted or plastic surface, wash it immediately with water.

NOTE: An assistant will be needed for this procedure.

1. Fill the reservoir to the fill line.

o Keep the reservoir 3/4 full or higher during the bleeding procedure.
o Use DOT 3 brake fluid.

2. Place the reservoir in a vise.
3. Position the clutch master cylinder with the reservoir above the clutch master cylinder and the quick connect fitting below the clutch master cylinder. The clutch master cylinder reservoir post should be pointed upward at a 45 degree angle.
4. Depress the internal mechanism of the male quick connect coupler to open the valve.

o Position a clear container under the quick connect coupler.

5. Push the clutch master cylinder push rod in and out until a solid stream is noted flowing from the quick connector coupler.
6. Release the male quick coupler valve.
7. Using short quick strokes, push the master cylinder push rod in and out 10 to 20 times or until the push rod is firm.

o This allows air in the system to escape through the reservoir.

8. Install the clutch master cylinder assembly.
9. Depress and release the clutch pedal several times to stabilize the clutch hydraulic system.
10. Fill the brake/clutch master cylinder to the fill line.
11. Raise and support the vehicle.
12. Remove the bleeder screw cover and attach a vinyl hose to the bleeder hose. Place the other end of the vinyl hose into a clear container partially filled with brake fluid.

o Use DOT 3 brake fluid.

13. Have an assistance depress and release the clutch pedal five times, then hold the clutch pedal down. With the clutch pedal depressed, loosen the bleeder screw to let air escape the clutch system. Tighten the bleeder screw. Repeat this process until no air comes the vinyl hose.
14. Tighten the bleeder screw and install the bleeder screw cover.
15. Slowly pump the clutch pedal several times to verify there is not fluid leakage.

o Depress and release the clutch pedal five short cycles, and two full-travel cycles.

16. Carry out the following final checks:

o Check the clutch pedal is at the top of travel.
o Check for correct operation of the clutch system.
o Make sure the clutch reservoir is at the correct level.
o Use DOT 3 brake fluid.

This is From AllData
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