GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 3049-A Valve Lifter Remover

Removal Procedure


    Object Number: 63230  Size: SH
  1. Remove the cylinder head and gasket. Refer to Cylinder Head Replacement - Left Side or Cylinder Head Replacement - Right Side .
  2. Remove the valve lifter guide bolts (1).
  3. Remove the valve lifters and guide.

  4. Object Number: 31350  Size: SH

    Important: Some valve lifters may be stuck in their bores because of gum or varnish deposits.

  5. Use J 3049-A or equivalent in order to remove the valve lifters (if required).

  6. Object Number: 63233  Size: SH
  7. Remove the valve lifters from the guide.
  8. Organize or mark the components so that they can be installed in the same location from which they were removed.
  9. Clean and inspect the valve lifters. Refer to Valve Lifters and Guides Cleaning and Inspection in Engine Mechanical - 4.8L, 5.3L, and 6.0L Unit Repair.

Installation Procedure

Important: When reusing valve lifters, install the lifters to their original locations.


    Object Number: 63233  Size: SH
  1. Lubricate the valve lifters and engine block valve lifter bores with clean engine oil.
  2. Insert the valve lifters into the lifter guides.
  3. Align the flat area on the top of the lifter with the flat area in the lifter guide bore. Push the lifter completely into the guide bore.


    Object Number: 63230  Size: SH
  4. Install the valve lifters and guide to the engine block.
  5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  6. Install the valve lifter guide bolt (1).
  7. Tighten
    Tighten the valve lifter guide bolt (1) to 12 N·m (106 lb in).

  8. Install the cylinder head and gasket. Refer to Cylinder Head Replacement - Left Side or Cylinder Head Replacement - Right Side .