Toyota Celica/Supra 1971-1985 Repair Guide

Driven Disc and Pressure Plate

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REMOVAL & INSTALLATION



See Figures 1 through 28



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Fig. Fig. 1: Exploded view of the clutch assembly-1971-80 models



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Fig. Fig. 2: Exploded view of the clutch assembly-1981-85 models



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Fig. Fig. 3: View of the clutch and pressure plate assembly



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Fig. Fig. 4: Loosen and remove the pressure plate retaining bolts evenly, a little at a time



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Fig. Fig. 5: Remove the pressure plate ...



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Fig. Fig. 6: ... then carefully remove the driven disc (clutch disc) from the flywheel



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Fig. Fig. 7: View of the flywheel once the clutch assembly is removed



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Fig. Fig. 8: Check across the flywheel surface; it should be flat



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Fig. Fig. 9: Check the pressure plate for excessive wear



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Fig. Fig. 10: If necessary, lock the flywheel in place and remove the retaining bolts ...



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Fig. Fig. 11: ... then remove the flywheel from the crankshaft in order to replace it or have it machined



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Fig. Fig. 12: Upon installation, it is usually a good idea to apply a threadlocking compound to the flywheel bolts



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Fig. Fig. 13: Be sure that the flywheel surface is clean, before installing the clutch



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Fig. Fig. 14: Insert a clutch alignment arbor, to align the clutch assembly during installation



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Fig. Fig. 15: Clutch disc installed with the arbor in place



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Fig. Fig. 16: Clutch cover and pressure plate installed with the alignment arbor in place



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Fig. Fig. 17: The pressure plate-to-flywheel bolt holes should align



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Fig. Fig. 18: You may want to use a threadlocking compound on the clutch assembly bolts



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Fig. Fig. 19: Be sure to use a torque wrench to tighten all bolts



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Fig. Fig. 20: Bolt tightening sequence to be performed in 2-3 stages



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Fig. Fig. 21: Grease the clutch release fork ball



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Fig. Fig. 22: View of the clutch release fork; check this for signs of damage



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Fig. Fig. 23: View of the clutch release fork bearing clips; make sure these are not bent or broken



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Fig. Fig. 24: Removing the clutch release fork bearing clips



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Fig. Fig. 25: Grease the throwout bearing assembly at the outer contact points



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Fig. Fig. 26: Grease the throwout bearing assembly at the inner contact points



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Fig. Fig. 27: Installing the clutch release fork bearing clip



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Fig. Fig. 28: View of the installed clutch release fork assembly; be sure all parts move freely


WARNING
Do not drain the transmission oil and do not allow grease or oil to get on any part of the clutch disc, pressure plate or flywheel surfaces.

  1. Remove the transmission from the car as previously detailed.
  2.  
  3. Loosen the set bolts one turn at a time until the spring tension is relieved.
  4.  
  5. Remove the set bolts and then pull off the clutch assembly.
  6.  
  7. Unfasten the release fork bearing clips. Withdraw the release bearing hub, complete with the release bearing.
  8.  
  9. Remove the tension spring from the clutch linkage.
  10.  
  11. Remove the release fork and support.
  12.  
  13. Punch matchmarks on the clutch cover and the pressure plate so that the pressure plate can be returned to its original position during installation.
  14.  


CAUTION
If the screws are released too fast, the clutch assembly will fly apart, causing possible injury or loss of parts.

  1. Slowly unfasten the screws which attach the retracting springs.
  2.  
  3. Separate the clutch cover and pressure plate from the clutch disc/spring assembly.
  4.  


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

  1. Inspect the parts for wear or deterioration. Replace parts as required.
  2.  
  3. Installation is performed in the reverse order of removal. Several points should be noted, however.
    1. Be sure to align the matchmarks on the clutch cover and pressure plate which were made during disassembly.
    2.  
    3. Apply a thin coating of multi-purpose grease to the release bearing hub and release fork contact points. Pack the groove inside the clutch hub with multi-purpose grease.
    4.  
    5. Center the clutch disc by using a clutch pilot tool or an old input shaft. Insert the pilot into the end of the input shaft front bearing and bolt the clutch to the flywheel.
    6.  

  4.  

Bolt the clutch assembly to the flywheel in two or three stages, evenly to 15-22 ft. lbs. (20-29 Nm).

  1. Adjust the clutch as outlined earlier in this section.
  2.  

 
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