GM Grand Am/Achieva/Calais/Skylark/Somerset 1985-98

Rocker Arm Assembly

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REMOVAL & INSTALLATION



2.0L Engine
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the camshaft cover. For details, please refer to the procedure located in this section.
  4.  
  5. Hold the valves in place with compressed air, using air adapter J 22794 or equivalent in the spark plug hole.
  6.  
  7. Compress the valve springs using J 33302-25 or other suitable valve spring compressor.
  8.  
  9. Remove rocker arms and valve lash compensators. Keep them in order if they are being reused.
  10.  
  11. The installation is the reverse of the removal procedure. Make sure to keep the rocker arms and valve lash compensators in their original positions if they are being reused.
  12.  
  13. Connect the negative battery cable and check for proper operation.
  14.  

2.5L Engine See Figure 1

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the rocker arm cover. For details, please refer to the procedure located in this section.
  4.  
  5. Remove the rocker arm bolt and ball. If replacing the pushrod only, loosen the rocker arm bolt and swing the arm clear of the pushrod.
  6.  



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Fig. Fig. 1: Exploded view of the rocker arm assembly and related components-2.5L engine

  1. Remove the rocker arm, pushrod and guide. Store all components in order so they can be reassembled in their original location. Pushrod guides are different and must be reassembled