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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 406 (Engine Mechanical - 3.5L (On-Vehicle)) >> Repair Instructions >> Valve Stem Oil Seal and Valve Spring Replacement - Left >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the valve rocker arm(s). Refer to Valve Rocker Arm Replacement- Left .
  2. Remove the spark plug.
  3. Install the J 39313  and apply air pressure to the cylinder in order to keep the valve from dropping into the cylinder.
  4. Using an appropriately sized deep socket and a plastic hammer, lightly tap on the valve spring retainer to loosen the valve keepers.
    WARNING: VALVE SPRINGS CAN BE TIGHTLY COMPRESSED CAUTION
  5. Compress the valve spring with the J 42039. 
    Fig 1: Identifying J 42039
    G01816902Courtesy of GENERAL MOTORS CORP.
  6. Use the magnetic end of the J 43059  in order to remove the valve keepers (1).
  7. Remove the J 42039. 
  8. Remove the valve spring retainer (2).
    Fig 2: Removing Valve Spring Retainer
    G01816903Courtesy of GENERAL MOTORS CORP.
  9. Remove the valve spring.
    Fig 3: Removing Valve Spring
    G01816904Courtesy of GENERAL MOTORS CORP.
  10. Remove the valve seal using the J 38820. 
  11. Inspect and measure the valve spring. Refer to VALVE SPRING INSPECTION AND MEASUREMENT in Engine Mechanical-3.5L Unit Repair.
    Fig 4: Removing Valve Seal
    G01816905Courtesy of GENERAL MOTORS CORP.
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