GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove engine cover. Refer to Engine Cover Replacement.
  2. Remove the 4 fuel injectors. Refer to Fuel Injector Replacement.

  3. Object Number: 2028260  Size: SH
  4. Remove the 2 radiator surge tank inlet hose bolts (1, 2).
  5. Remove the 2 radiator surge tank inlet hose clamps (3, 4).
  6. Remove the radiator surge tank inlet hose (5).
  7. Disconnect the camshaft sensor wiring harness plug.
  8. Remove the upper timing belt front cover. Refer to Timing Belt Upper Front Cover Replacement.

  9. Object Number: 2027922  Size: SH

    Note: Mark the positions from the hoses.

  10. Remove the 2 PCV valve vacuum hoses (5) from the vacuum pipe and EGR valve.
  11. Remove the wiring harness plug from the vacuum modulator (2).
  12. Remove the 2  PCV valve nuts (4).
  13. Remove the PCV valve (3).
  14. Remove the camshaft cover. Refer to Camshaft Cover Removal.

Installation Procedure

  1. Install the camshaft cover. Refer to Camshaft Cover Installation.

  2. Object Number: 2027922  Size: SH
  3. Install a NEW PCV valve gasket (1).
  4. Install the PCV valve (3).
  5. Caution: Refer to Fastener Caution in the Preface section.

  6. Install the 2  PCV valve nuts (4) and tighten to  11 N·m (98 lb in).
  7. Install the wiring harness plug at the vacuum modulator (2).
  8. Install the 2 PCV valve vacuum hoses (5).
  9. Install the upper timing belt front cover. Refer to Timing Belt Upper Front Cover Replacement.
  10. Connect the camshaft sensor wiring harness plug.

  11. Object Number: 2028260  Size: SH
  12. Install the radiator surge tank inlet hose (5).
  13. Install the 2 radiator surge tank inlet hose clamps (3, 4).
  14. Install the 2 radiator surge tank inlet hose bolts (1, 2).
  15. Install the 4 fuel injectors. Refer to Fuel Injector Replacement.
  16. Install engine cover. Refer to Engine Cover Replacement.