GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 8062 Valve Spring Compressor
    • J 41774 Valve Spring Compressor Adapter
  1. Remove the lifters. Place the lifters sequentially in a rack so they can be installed in their original order, if being reused.

  2. Object Number: 217378  Size: SH
  3. Use J 8062 and J 41774 to compress the valve springs.

  4. Object Number: 217379  Size: SH
  5. Remove the valve stem keys (2).
  6. Remove the cap (3) from the valve stem.
  7. Remove the valve spring (4).
  8. Remove the valve seal (5).
  9. Remove the valve spring seat (6) from the cylinder head.
  10. Remove the valves (7). Place the valves sequentially in a rack so they can be installed in their original order, if being reused.

Tools Required

    • J 43963 Valve Spring Compressor (Off Vehicle)
    • SA9102E-A Valve Seal Remover/Installer
    • SA9124E Valve Spring Compressor/Remover

    Object Number: 894758  Size: SH
  1. Remove the lifters. Place the lifters sequentially in the rack so that they can be installed in their original order, if being reused.
  2. Use the SA9124E and J 43963 to compress the valve springs.

  3. Object Number: 894713  Size: SH
  4. Remove the valve stem keys.
  5. Remove the cap from the valve stem.
  6. Remove the valve spring.

  7. Object Number: 894143  Size: SH
  8. Remove the valve seal using the SA9102E-A .
  9. Remove the valve spring seat from the cylinder head.
  10. Remove the valves. Place the valves sequentially in the rack so that they can be installed in their original order, if being reused.