GM Full-Size Trucks 1980-1987 Repair Guide

Valve Lifters

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See Figures 1 and 2

REMOVAL & INSTALLATION



In-line 6 Cylinder
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the rocker arm cover.
  4.  
  5. Loosen the rocker arm until you can rotate it away from the pushrod or remove the rocker arm completely, giving clearance to the top of the pushrod. If the rocker arms do not need to be removed for other service procedures, it easiest to leave the arm installed to the stud in order to prevent mixing them up during installation.
  6.  



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Fig. Fig. 1: Remove or reposition the rocker arm so the pushrod may be removed

  1. Remove the pushrod. If you are replacing all of the lifters, it is wise to make a pushrod holder as mentioned under Cylinder Head Removal. This will help keep the pushrods in order, as they MUST go back in their original positions.
  2.  



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Fig. Fig. 2: With the pushrod removed, the lifters may be pulled from their b