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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 557 (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 Buick Regal. 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:  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: Push The Valve Stem Oil Seal Over The Valve Guide
    G01764188Courtesy of GENERAL MOTORS CORP.
  3. Install the J 38606 on the valve spring.
    Fig 2: Install The J 38606 On The Valve Spring
    G01764189Courtesy 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.

    Important:  Make sure that the valve locks are seated.

    Fig 3: Valve Spring
    G01764190Courtesy of GENERAL MOTORS CORP.
  8. Release the air pressure, and remove the J 23590.
    9. Fig 4: Release The Air Pressure, And Remove The J 23590
    G01764191Courtesy of GENERAL MOTORS CORP.
  9. Install the spark plug(s) to the cylinder(s) that was serviced. 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 right or the left valve rocker cover. Refer to Valve Rocker Arm Cover Replacement - Right  or Valve Rocker Arm Cover Replacement - Left 
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