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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1218 (Engine Mechanical - 3.8L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Valve Stem Oil Seal and Valve Spring Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the left or the right valve rocker arm cover. Refer to VALVE ROCKER ARM COVER REPLACEMENT - LEFT  or VALVE ROCKER ARM COVER REPLACEMENT - RIGHT  .

    Important:  Rotate the engine so that the piston in the cylinder being worked on is at top dead center before removing the valve locks. This will eliminate the possibility of the valve accidentally falling inside the cylinder.

  2. Remove the valve rocker arms and the push rods. Refer to VALVE ROCKER ARM AND PUSH ROD REPLACEMENT  .
  3. Remove the spark plug. Refer to SPARK PLUGS in Engine Performance - Removal and Installation.
  4. Install the J 23590  to the spark plug port and apply compressed air in order to hold the valves closed.
  5. Install the J 38606  on the valve spring.
    Fig 1: Installing Valve Spring Compressor On Valve Spring
    G02083583Courtesy of GENERAL MOTORS CORP.
  6. Compress the valve spring using the J 38606  .
  7. Remove the valve locks.
  8. Remove the valve spring and cap.
    Fig 2: Compressing Valve Spring
    G02083584Courtesy of GENERAL MOTORS CORP.
  9. Remove the valve stem oil seal.
  10. Inspect the valve spring for bent, cracked, or broken parts. Replace the valve spring if damaged. Refer to CYLINDER HEAD CLEANING AND INSPECTION  .
    Fig 3: Removing Valve Stem Oil Seal
    G02083585Courtesy of GENERAL MOTORS CORP.
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