GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • EN 46353 Valve Spring Compressor Adapter
    • J 8062 Valve Spring Compressor

    Object Number: 2016843  Size: SH

    Note: Arrange the valve lifters in the correct order.

  1. Remove the 16 valve lifters from the cylinder head.

  2. Object Number: 2016953  Size: SH

    Note: Arrange the removed parts in the correct order.

  3. Using J 8062 compressor  (1), EN 46353 adapter , and wooden blocks (2), remove the 16 retainer locks.
  4. Remove the 8 retainers, compression springs and intake valves.

  5. Object Number: 2016959  Size: SH

    Note: Arrange the removed parts in the correct order.

  6. Using J 8062 compressor  (1) and wooden blocks (2), remove the 16 retainer locks.
  7. Remove the 8 retainers, compression springs and exhaust valves.

  8. Object Number: 2016961  Size: SH
  9. Using needle nose pliers, remove the valve stem oil seals.

  10. Object Number: 2017034  Size: SH
  11. Using compressed air and a magnetic pick-up tool, remove the valve spring seats by blowing air onto them.

  12. Object Number: 2017131  Size: SH

    Note: If water leaks from the straight screw plug or the plug is corroded, replace it.

  13. Using a 14 mm straight hexagon wrench, remove the 2 No. 1 straight head screw plugs and 2 gaskets.
  14. Remove stud bolt.
  15. Remove ring pin.