89. Valve Lifter Installation - Left

Valve Lifter Installation - Left

- Tools Required
- J 39946 Crankshaft Rotation Socket

1. Ensure the crankshaft is in the TDC position for the number one cylinder using the J 39946.

Important:
- Do not stroke/cycle the stationary hydraulic lash adjuster plunger without oil in the lower pressure chamber.
- Do not allow the stationary hydraulic lash adjuster to tip over (plunger down) after the oil fill.





2. Fill the Stationary Hydraulic Lash Adjuster (SHLA) with clean engine oil GM P/N 12378006 or equivalent. Take precautions to prevent scratching the pivot sphere area (1) of the SHLA.
3. Lubricate the SHLA bores of the cylinder head with clean engine oil GM P/N 12378006 or equivalent.





4. Install the SHLAs.
5. Apply a liberal amount of lubricant GM P/N 12345001 or equivalent to the SHLA sphere.