GM Full Size Vans 1967-1986 Repair Guide

Crankshaft Damper

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REMOVAL & INSTALLATION



See Figures 1 through 5



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Fig. Fig. 1: View of the damper mounting. Note the key



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Fig. Fig. 2: Unfasten the crankshaft pulley bolt ...



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Fig. Fig. 3: ... then remove the pulley and bolt



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Fig. Fig. 4: Connect a damper puller to the torsional damper ...



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Fig. Fig. 5: ... then remove the damper

Torsional damper puller tool # J-23523-E is required to perform this procedure.

  1. Remove the fan belts, fan and pulley.
  2.  
  3. Remove the fan shroud assembly.
  4.  
  5. Remove the accessory drive pulley.
  6.  
  7. Remove the torsional damper bolt.
  8.  
  9. Remove the torsional damper using tool # J-23523-E.
  10.  

Make sure you do not loose the crankshaft key, if it has been removed.

  1. Installation is the reverse of the removal procedure.
  2.  

 
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