Tools Required

J 39946  Crankshaft Socket - 4.0L and 4.6L

1. Ensure the crankshaft is in the TDC position for the number one cylinder using the J 39946  .
Fig 1: View Of Valve Lifter
Courtesy of GENERAL MOTORS CORP.
2. Fill the stationary hydraulic lash adjuster (SHLA) with clean engine oil GM P/N 12345616 (Canadian P/N 993182) 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 12345616 (Canadian P/N 993182) or equivalent.
Fig 2: View of Stationary Hydraulic Lash Adjusters
Courtesy of GENERAL MOTORS CORP.
4. Install the SHLAs.
5. Apply a liberal amount of lubricant GM P/N 12345001 (Canadian P/N 992704) or equivalent to the SHLA sphere.