Bleed clutch slave cylinder

How to bleed a clutch slave cylinder with no bleeder screw

Some externally mounted clutch slave cylinders are made without a

How to bleed a clutch slave cylinder without a bleed screw

bleeder screw (which makes no sense to normal people). But you can still bledd a clutch slave cylinder that comes without a bleeder screw. You just have to use a vacuum and pumping technique. Here’s the procedure to bleed a clutch slave cylinder that doesn’t have a bleeder screw

Remove the clutch slave cylinder from the transmission but leave it connected to the fluid line.

At the clutch master cylinder

Perform these steps

1)       Loosen the nuts holding the clutch master cylinder to the firewall

2)       Remove the clutch master cylinder reservoir cap and rubber diaphragm

3)       Clean dirt and grease from the cap

4)       Press in the clutch master cylinder pushrod approximately ¾” and HOLD IN PLACE.

5)       While holding the clutch master cylinder pushrod in place, reinstall the reservoir cap and diaphragm.

6)       Hold the slave cylinder vertically with its pushrod end facing down (air moving to the top of the slave cylinder). Keep the entire slave cylinder below the level of the clutch master cylinder.

7)       Release the master cylinder pushrod

8)       Press the SLAVE cylinder pushrod in slightly less than ½” using short strokes.

9)       Look for air bubbles in the clutch master cylinder

10)   Repeat steps 8 & 9 until you no longer see air bubbles.

11)   Reinstall the slave cylinder on the transmission.

12)   Tighten the master cylinder nuts to 15-ft/lbs

Push clutch to the floor and hold while starting engine. Wait 10-seconds. Select reverse gear with clutch still on floor. Gears should not grate. If they do, repeat the bleeding procedure.

©, 2018 Rick Muscoplat