GM: Electra/Park Avenue/Ninety-Eight 1990-1993

Hydraulic Valve Lifters

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Fig. Fig. 1 Roller valve lifter operation

REMOVAL & INSTALLATION



  1. Disconnect the negative battery cable.
  2.  
  3. Remove the valve covers and the intake manifold.
  4.  
  5. Remove the rocker arm bolts, rocker arms and the pivots.
  6.  
  7. Remove the pushrods, guide retainer bolts and the retainer.
  8.  
  9. Remove the lifter guides and lift out the lifters. You may need to use a tappet extractor.
  10.  

To install:

  1. Prior to installation, soak the lifters in transmission oil; the longer the better. Applying preassembly lube to outside of lifters may be a good idea also.
  2.  
  3. Install the lifters and lifter guides.
  4.  
  5. Install the pushrods, guide retainer bolts and the retainer.
  6.  
  7. Install the pivots, rocker arms and rocker arms bolts.
  8.  
  9. Install the valve covers and the intake manifold.
  10.  
  11. Connect the negative battery cable.
  12.  

 
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