GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 3049-A


    Object Number: 31510  Size: SH
  1. Remove the lower intake manifold. Refer to Intake Manifold Replacement .
  2. Remove the valve pushrods and the valve rocker arms. Refer to Valve Rocker Arm and Push Rod Replacement .

  3. Object Number: 4577  Size: SH
  4. Remove the valve lifter pushrod guide and the bolts.

  5. Object Number: 4578  Size: SH
  6. Remove the valve lifters from the engine block. Refer to Valve Lifter Removal .

  7. Object Number: 31350  Size: SH
  8. Use the J 3049-A in order to remove stuck valve lifters.

Installation Procedure


    Object Number: 4578  Size: SH
  1. Install the valve lifters to the engine block. Refer to Valve Lifter Installation .

  2. Object Number: 4577  Size: SH
  3. Install the valve lifter pushrod guide. Refer to Valve Lifter Installation .

  4. Object Number: 4045  Size: SH
  5. Install the valve pushrods and valve rocker arms. Refer to Valve Rocker Arm and Push Rod Replacement .

  6. Object Number: 31510  Size: SH
  7. Install the intake manifold. Refer to Intake Manifold Replacement .

Important: It is normal for NEW lifters to make a slight ticking noise when the engine is first started. Increasing the engine RPMs slightly to raise oil pressure should stop the noise.