Valve Lifter Installation - Right Side - Off Vehicle

Tools Required 

J 39946  Crankshaft Socket - 4.0L and 4.6L. See Special Tools .

1. Ensure the crankshaft is in the TDC position for the number one cylinder using the J 39946  . See Special Tools .
Fig 1: View Of Valve Lifter
Courtesy of GENERAL MOTORS CORP.
NOTE: Refer to Valve Lifter Priming Notice .
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.
Fig 2: View Of Right Valve Lifter
Courtesy of GENERAL MOTORS CORP.
4. Install the SHLAs.
5. Apply a liberal amount of lubricant GM P/N 12345001 or equivalent to the SHLA sphere.