Removal Procedure
- Remove the valve rocker arm covers. Refer to Valve Rocker Arm Cover Replacement and Valve Rocker Arm Cover Replacement .
- Remove the intake manifold. Refer to Intake Manifold Replacement and Intake Manifold Replacement .
- Remove the rocker arm, pedestal, bearings and retainer. Refer to Valve Rocker Arm and Push Rod Replacement .
- Remove the pushrods.
- Remove the valve lifter guide bolts.
- Remove the valve lifter guide.
- Remove the valve lifters.
- Clean all gasket surfaces with degreaser.
- Clean the valve train parts.
- Inspect the valve lifters for wear.
- Inspect the cam lobes for wear.
Important: Ensure that all valve train parts are kept in order so that they can be reinstalled in their original locations and with the same mating surfaces as when removed.
Installation Procedure
- Dip the valve lifters in prelube engine oil before installation.
- Install the valve lifters.
- Install the valve lifter guides.
- Install the valve lifter guide bolts.
- Install the pushrods.
- Install the rocker arms and pedestals. Refer to Valve Rocker Arm and Push Rod Replacement .
- Install the intake manifold. Refer to Intake Manifold Replacement and Intake Manifold Replacement .
- Install the valve rocker arm covers. Refer to Valve Rocker Arm Cover Replacement and Valve Rocker Arm Cover Replacement .
Tighten
Tighten the bolts to 30 N·m (22 lb ft).
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.
