Lifter / Lash Adjuster: Service and Repair

1. Remove valve covers.
2. Position piston of cylinder at bottom of stroke and camshaft lobe at base circle.
3. Install valve spring spacer tool T91P-6565-AH or equivalent, between spring coils to prevent valve seal damage.

CAUTION: If spacer is not installed, retainer will hit valve stem seal and damage seal.

Valve Spring Compression:

4. Install Valve Spring Compressor T91P-6565-A or equivalent, under camshaft and on top of valve spring retainer.
5. Compress valve spring and remove roller follower.
6. Remove valve spring compressor and spacer.
7. If necessary, remove hydraulic lash adjuster.
8. Repeat steps 2 through 7 for remaining cylinders as required.
9. Reverse procedure to install, noting the following:
a. Valve lash adjuster must not exceed 0.059 inch (1.5mm) of plunger travel prior to installation.
b. When installing roller follower, piston must be at bottom of stroke and camshaft at base circle.