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Cylinder Head Rocker Arm Assembly Removal

  1. Loosen the rocker arm adjusting screws (A).
L15A7 engine
L13Z1 engine
L12B1 engine

  1. Unscrew the rocker shaft mounting bolts two turns at a time, in sequence below.
    NOTE: With L13Z1 engine, L12B1 engine: Bundle the intake rocker arms with rubber bands (A) to keep them together as a set.
L15A7 engine
L13Z1 engine
L12B1 engine

  1. Remove the rocker shaft mounting bolts, then remove the rocker arm assembly (A).
L15A7 engine
L13Z1 engine
L12B1 engine