Tools Required
J 3049-A
Valve Lifter Remover
Removal Procedure
- Remove the lower intake manifold. Refer to
Lower Intake Manifold Replacement
.
- Remove the valve rocker arms and the valve pushrods. Refer to
Valve Rocker Arm and Push Rod Replacement
.
Important: Place the components in a rack so that the components can be reinstalled to their original location.
- Remove the bolts and valve lifter pushrod guide.
Important: Place the valve lifters in the rack in the upright position in order to maintain the oil inside the valve lifters.
- Remove the valve lifters.
Important: Some valve lifters may be stuck in the valve lifter bores because of gum or varnish deposits and may require the use of
J 3049-A
for removal.
- Use the
J 3049-A
in order to remove the stuck valve lifters.
- Use a cleaning solvent and a shop towel to clean any varnish from the valve lifter bores.
- Inspect the valve lifter bores for excessive wear or scoring. Replace the engine block if there is excessive wear or deep scoring.
- Inspect the camshaft for wear or damage. If the wear is questionable remove the camshaft and inspect. Refer to
Camshaft and Bearings Cleaning and Inspection
.
- Clean and inspect the valve lifters and the valve pushrod guide. Refer to
Valve Lifter and Guide Cleaning and Inspection
.
Installation Procedure
Important: It is normal for NEW lifters to make a slight ticking noise when the engine is first started. Increasing the engine RPM slightly to raise oil pressure should stop the noise.
- Apply lubricant to the valve lifter rollers. Refer to
Adhesives, Fluids, Lubricants, and Sealers
for the correct part number.
Important: If reusing the valve lifters, install the valve lifters in the original positions.
- Install the valve lifters.
Notice: Refer to Fastener Notice in the Preface section.
- Install the valve lifter pushrod guides.
Tighten
Tighten the valve lifter pushrod guide bolts to 16 N·m (12 lb ft).
- Install the valve rocker arms and pushrods. Refer to
Valve Rocker Arm and Push Rod Replacement
.
- Install the lower intake manifold. Refer to
Lower Intake Manifold Replacement
.