DeVille DTS V8-4.6L VIN 9 (2002)
Lifter / Lash Adjuster: Service and Repair
Valve Lifter Replacement - Left
Valve Lifter Replacement - Left
Removal Procedure
1. Remove the left valve rocker arms.
2. Remove the Stationary Hydraulic Lash Adjusters (SHLA) from the bores.
3. Clean and inspect the valve lifters.
Installation Procedure
Important: Do not stroke/cycle the stationary hydraulic lash adjuster plunger without oil in the lower pressure chamber.
1. 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.
2. Install the new SHLA's into the bores.
