Tools Required

1. Remove the intake manifold. Refer to Intake Manifold Replacement .
2. Remove the valve rocker arm covers. Refer to Valve Rocker Arm Cover Replacement .
3. Remove the valve rocker arms and the pushrods. Refer to Valve Rocker Arm, Push Rod, and Stud Replacement .



4. Remove the valve lifter guide retainer and the bolts.




Important: Valve lifters that are stuck in the bores due to gum or varnish deposits can be removed using the J 3049-A or the J 9290-01 .

5. Remove the valve lifter guide and the valve lifter.
6. Inspect the valve lifters. Refer to Valve Train Components Clean and Inspect .

1. Coat the valve lifter rollers with pre lube, GM P/N 1052365 or the equivalent.
2. Install the valve lifters in the same location from which they were removed.
3. Install the valve lifter guides.




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.

4. Install the valve lifter guide retainer, and the bolts.

Tighten
Tighten the bolts to 25 N·m (18 lb ft).

5. Install the valve rocker arms and the pushrods. Refer to Valve Rocker Arm, Push Rod, and Stud Replacement .
6. Install the valve rocker arm covers. Refer to Valve Rocker Arm Cover Replacement .
7. Install the intake manifold. Refer to Intake Manifold Replacement .