GM Chevy Mid-Size Cars 1964-1988 Repair Guide

Driven Disc and Pressure Plate

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REMOVAL



See Figures 1 and 2


CAUTION
The clutch driven disc contains asbestos, which has been determined to be a cancer causing agent. NEVER clean the clutch surfaces with compressed air! Avoid inhaling any dust from the clutch surface! When cleaning the clutch surfaces use a commercially available brake cleaning fluid.

  1. Support the engine and remove the transmission. For details, refer to the procedures earlier in this section.
  2.  
  3. Disconnect the clutch fork push rod and spring.
  4.  
  5. Remove the flywheel housing.
  6.  
  7. Slide the clutch fork from the ball stud and remove the fork from the dust boot. The ball stud is threaded into the clutch housing and may be replaced if necessary.
  8.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of the clutch and flywheel assembly



Click image to see an enlarged view

Fig. Fig. 2: Clutch release bearing lubrication-flat finger type (top) and bent finger type

  1. Install an alignment tool to support the clutch assembly during removal. mark the flywheel and clutch cover for reinstallation, if they do not already have X marks.
  2.  
  3. Loosen the clutch-to-flywheel attaching bolts evenly, one turn at a time, until spring pressure is released. Carefully remove the bolts and clutch assembly. Note the direction which the disc damper springs are facing during removal.
  4.  

To install:
  1. Clean the pressure plate and flywheel face using a commercially available brake cleaner. Inspect the surfaces for cracks or damage.
  2.  
  3. Support the clutch disc and pressure plate with an alignment tool. The driven disc is installed with the damper springs on the transmission side. On some 1964-67 6-cylinder engines, the clutch disc is installed in the reverse manner with the damper springs to the flywheel side.
  4.  
  5. Turn the clutch assembly until the mark on the cover lines up with the mark on the flywheel, then install the bolts. Tighten down evenly and gradually to avoid distortion.
  6.  
  7. Remove the clutch alignment tool.
  8.  
  9. Lubricate the ball socket and fork fingers at the release bearing end with high melting point grease. Lubricate the recess on the inside of the throwout bearing and throwout fork groove with a light coat of graphite grease.
  10.  
  11. Install the clutch fork and dust boot into the housing.
  12.  
  13. Install the flywheel housing.
  14.  
  15. Install the transmission assembly.
  16.  
  17. Connect the fork push rod and spring. Lubricate the spring and pushrod ends.
  18.  
  19. Adjust the shift linkage and clutch pedal free-play.
  20.  

 
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