GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove engine cover. Refer to Engine Cover Replacement.
  2. Raise vehicle by its full height. Refer to Lifting and Jacking the Vehicle.
  3. Remove the front compartment insulator. Refer to Front Compartment Insulator Replacement.
  4. Drain the cooling fluid. Refer to Cooling System Draining and Filling.
  5. Lower the vehicle full height.
  6. Remove oil level indicator tube. Refer to Oil Level Indicator and Tube Removal.

  7. Object Number: 2028260  Size: SH
  8. Remove the 2 radiator surge tank inlet hose bolts (1, 2).
  9. Remove the 2 radiator surge tank inlet hose clamps (3, 4).
  10. Remove the radiator surge tank inlet hose (5).

  11. Object Number: 2028263  Size: SH
  12. Remove the coolant temperature sensor wiring harness plug (1).
  13. Remove intake air pressure and temperature sensor wiring harness plug (3).
  14. Remove the wiring harness (2).
  15. Remove radiator inlet hose clamp (6).
  16. Remove radiator inlet hose (7).
  17. Remove intake manifold. Refer to Intake Manifold Removal.

Installation Procedure

  1. Install the intake manifold. Refer to Intake Manifold Installation.

  2. Object Number: 2028263  Size: SH
  3. Install radiator inlet hose (7).
  4. Install radiator inlet hose clamp (6).
  5. Install the wiring harness (2).
  6. Install intake air pressure and temperature sensor wiring harness plug (3).
  7. Install the coolant temperature sensor wiring harness plug (1).

  8. Object Number: 2028260  Size: SH
  9. Install the radiator surge tank inlet hose (5).
  10. Install the 2 radiator surge tank inlet hose clamps (3, 4).
  11. Install the 2 radiator surge tank inlet hose bolts (1, 2).
  12. Install oil level indicator tube. Refer to Oil Level Indicator and Tube Installation.
  13. Fill in cooling fluid. Refer to Cooling System Draining and Filling.
  14. Install engine cover. Refer to Engine Cover Replacement.
  15. Raise vehicle by its full height.
  16. Install the front compartment insulator. Refer to Front Compartment Insulator Replacement.