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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 690 (Engine Mechanical - 3.8L (On-Vehicle)) >> Repair Instructions >> Valve Stem Oil Seal and Valve Spring Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place the oil seal over the stem until the seal begins to contact the valve guide.
    IMPORTANT:
    • Use hand pressure only when installing the valve stem oil seal using the J 42863.  Using to much force may cause damage to the oil seal and possibly lead to excessive oil consumption.
    • The color of the replacement seal may not be the same color as the original seal. Install the seals in their correct location based on GM part and package description. Make sure that the seal is fully seated on the valve guide.
  2. Use hand pressure push the valve stem oil seal over the valve guide using the J 42863. 
    Fig 1: Valve & J 42863
    G01703249Courtesy of GENERAL MOTORS CORP.
  3. Install the J 38606  on the valve spring.
    Fig 2: J 23590 & J 38606
    G01703250Courtesy of GENERAL MOTORS CORP.
  4. Compress the valve spring using the J 38606. 
  5. Install the valve spring and cap.
  6. Install the valve locks.
  7. Release the valve spring.
    Fig 3: Compressing Valve Spring Using J 38606
    G01703251Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Make sure that the valve locks are seated.
  8. Release the air pressure, and remove the J 23590. 
  9. Install the spark plug. Refer to SPARK PLUGS .
  10. Install the push rod and valve rocker arm. Refer to Valve Rocker Arm and Push Rod Replacement .
  11. Install the valve rocker arm cover(s). Refer to Valve Rocker Arm Cover Replacement - Left  or Valve Rocker Arm Cover Replacement - Right .
    Fig 4: J 23590
    G01703252Courtesy of GENERAL MOTORS CORP.
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