GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 38820 Valve Stem Seal Installer
    • J 8062 Valve Spring Compressor
    • J 38821 Valve Spring Compressor Adapter
    • J 38819 Valve Keeper Installer

    Object Number: 53011  Size: SH
  1. Lubricate the valve stem with clean engine oil.
  2. Insert the valve into the valve guide until it bottoms on the valve seat.
  3. Lubricate the new valve seal with engine oil.
  4. Using the J 38820 , install the new valve seal using the following procedure:
  5. 4.1. Place the valve lifter bore protector into the lifter bore.
    4.2. Mount the new valve seal in the J 38820 .
    4.3. Push and twist the new valve seal into position on the valve guide until the seal positively locks on the guide.
  6. Position the valve spring on the spring seat.

  7. Object Number: 54232  Size: SH

    Caution: Compressed valve springs have high tension against the valve spring compressor. Valve springs that are not properly compressed by or released from the valve spring compressor can be ejected from the valve spring compressor with intense force. Use care when compressing or releasing the valve spring with the valve spring compressor and when removing or installing the valve stem keys. Failing to use care may cause personal injury.

  8. Compress the valve spring using the J 8062 and the J 38821 .

  9. Object Number: 57659  Size: SH
  10. With the spring compressed, install the valve keepers into the J 38819 .
  11. Place the keepers into position by pushing the tool downward.
  12. Release the tension on the spring compressor and remove the J 38821 .
  13. Verify that the valve keepers are installed by placing a rag over the valve tip and tapping with a dead-blow hammer. The valve keepers and the spring should remain in place.
  14. Repeat this procedure for the remaining valves.