GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2003 🢒 Aurora 🢒 Engine 🢒 Engine Mechanical - 4.0L 🢒 Valve Lifter Replacement - Right Side

Removal Procedure
  1. Remove the right valve rocker arms. Refer to Valve Rocker Arm Replacement - Right Side .

    2. Object Number: 591922 Size: SH
  2. Remove the stationary hydraulic lash adjusters (SHLA) from the bores.
  3. Clean and inspect the valve lifters. Refer to Valve Lifters Cleaning and Inspection in Engine Mechanical - 4.0 L Unit Repair.

Installation Procedure

    Object Number: 240801 Size: SH

    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. Object Number: 591922 Size: SH
  2. Install the new SHLA's into the bores.
  3. Install the right valve rocker arms. Refer to Valve Rocker Arm Replacement - Right Side .