GM Service Manual Online
For 1990-2009 cars only

Disassemble Procedure

Special Tools

    • EN-49074 Universal Valve Spring Compressor
    • EN-49155 Valve Spring Compressing Adapter
    • KM-845 Suction Device

    Object Number: 2049389  Size: SH

    Note: Take extreme care to prevent any scratches, nicks or damage to the camshaft surfaces.

  1. Remove the camshaft position solenoid valve housing.
  2. Remove the camshaft cap bolts in this sequence (1)-(4)-(2)-(3).
  3. Remove the camshaft caps.

  4. Object Number: 2049390  Size: SH
  5. Remove the camshafts (1, 2) and oil seal rings (3).

  6. Object Number: 2049393  Size: SH
  7. Remove the valve tappet using the KM-845 suction device .

  8. Object Number: 2033828  Size: SH
  9. Install the EN-49074 compressor and EN-49155 adapter .
  10. Remove the valve key.

  11. Object Number: 2049762  Size: SH
  12. Remove the valves (5), springs (3), retainers (2), and seals (4).