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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 424 (Engine Mechanical - 3.5L (Unit Repair)) >> Repair Instructions >> Valve Lifter Installation - Left

Valve Lifter Installation - Left

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Ensure each valve lifter is filled with clean engine oil and the valve lifter does not tip over (plunger down) before the installation of the valve lifters. The loss of oil in the valve lifter lower pressure chamber or the dry stroking/cycling of the valve lifter plunger will allow air to travel into the high pressure chamber of the valve lifter. Air in the high pressure chamber of the valve lifter may not be purged causing extensive engine component damage.
  1. Fill the stationary hydraulic lash adjuster (SHLA) with clean engine oil GM P/N United

    States 12378006 or equivalent. Take precautions to prevent scratching the pivot sphere area (1) of the SHLA.

  2. Lubricate the SHLA bores in the cylinder head with clean engine oil GM P/N United States 12378006 or equivalent.
    Fig 1: Locating SHLA Pivot Sphere Area
    G01815453Courtesy of GENERAL MOTORS CORP.
  3. Install the SHLAs in the cylinder head.
  4. Apply a liberal amount of lubricant GM P/N United States 12345501, GM P/N Canada 992704, or equivalent to the SHLA pivot spheres.
    Fig 2: Installing SHLA
    G01815454Courtesy of GENERAL MOTORS CORP.
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