Feb 282008
 

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Question:

I have a 95 Chevy Camaro 3.4 v6 with 5 speed trans, how do you bleed the clutch system without a bleeder. It has a new clutch kit, slave cylinder and clutch master cylinder. It will pump up half way but when you release the pedal all the way, you loose it.

Already Tried: 
Unbolting the slave cylinder and keeping it lower than the master cylinder. Being careful to not let the rod come out of it. Then you pump the rod on the slave cylinder several times to work the air out through the master cylinder. It’s sort of like bleeding it backwards. Remembering to keep the fluid level full and do it a few times with a 3 to 4 minuet break in between. Then, let it sit for about 15 min and when you pump the pedal.

Answer:

HYDRAULIC SYSTEM BLEEDING

Bleeding air from the hydraulic clutch system is necessary whenever any part of the system has been disconnected or the fluid level (in the reservoir) has been allowed to fall so low that air has been drawn into the master cylinder.

WARNING
NEVER use fluid which has been bled from a clutch system to fill the master cylinder reservoir, as it may be aerated, have too much moisture and/or be contaminated.

Except 1996-98 5-Speed Transmissions <—use this one
  1. Loosen the master cylinder nuts to the end of the threads on the U-bolt.
  2. Use a shop towel to clean the dirt and grease from the reservoir cap to avoid getting and foreign debris in the system.
  3. Remove the reservoir cap and diaphragm.
  4. Wrap a suitable piece of wire around the left-hand hood strut bracket, making sure the wire can be accessed from under the vehicle.
  5. Raise and safely support the vehicle.
  6. Remove the actuator cylinder nuts, then remove the actuator cylinder. Secure the actuator cylinder in the engine compartment using the wire previously installed.
  7. Carefully lower the vehicle.
  8. Grasp the actuator cylinder and depress the actuator cylinder pushrod about 0.0787 in. (20mm) into the cylinder bore and hold.
  9. Have an assistant install the diaphragm and reservoir cap while holding the actuator pushrod in. Release the pushrod.
  10. Hold the actuator cylinder lower than the master cylinder, vertically with the pushrod end facing down.
  11. Press the pushrod into the actuator cylinder bore with short 0.0390 in. (10mm) strokes. Check the master cylinder reservoir for bubbles.
  12. Continue until bubbles are not longer entering the reservoir.
  13. Raise and safely support the vehicle.
  14. Remove the actuator cylinder from the wire.
  15. Install the actuator cylinder and secure with the retaining nuts. Tighten to 15 ft. lbs. (20 Nm).
  16. Carefully lower the vehicle, then remove the wire from the hood strut.
  17. Fill the clutch master cylinder reservoir with the proper type and amount of fluid.
1996-98 5-Speed Transmissions
  1. Raise and safely support the vehicle.
  2. Attach a hose to the bleeder on the clutch actuator and submerge the other end of the hose in a container of hydraulic clutch fluid.
  3. Have an assistant slowly depress and hold the clutch pedal.
  4. Loosen the bleeder to purge air.
  5. Tighten the bleeder.
  6. Repeat the above 2 steps until all air is completely purged from the system.
  7. Fill the clutch master cylinder reservoir with the proper type and amount of fluid.

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