Valve Lifter Installation - Left

Fig 1: View Of Valve Lifter

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Do not stroke/cycle the stationary hydraulic lash adjuster plunger without oil in the lower pressure chamber.

IMPORTANT: Do not allow the stationary hydraulic lash adjuster to tip over, plunger down, after the oil fill.

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.
Lubricate the SHLA bores in the cylinder head with clean engine oil GM P/N 12378006 or equivalent.

Fig 2: View Of SHLAs

Courtesy of GENERAL MOTORS CORP.

Install the SHLAs in the cylinder head.
Apply a liberal amount of lubricant GM P/N 12345501 (Canadian P/N 992704) or equivalent to the SHLA pivot spheres.