GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 38185 Hose Clamp Pliers

Caution: With a pressurized cooling system, the coolant temperature in the radiator can be considerably higher than the boiling point of the solution at atmospheric pressure. Removal of the surge tank cap, while the cooling system is hot and under high pressure, causes the solution to boil instantaneously with explosive force. This will cause the solution to spew out over the engine, the fenders, and the person removing the cap. Serious bodily injury may result.

Removal Procedure


    Object Number: 873722  Size: SH
  1. Remove the surge tank cap.

  2. Object Number: 1548519  Size: SH
  3. Reposition the surge tank inlet hose clamp using J 38185 .
  4. Remove the surge tank inlet hose from the surge tank.

  5. Object Number: 873726  Size: SH
  6. Unclip the surge tank inlet hose from the underhood junction block bracket.

  7. Object Number: 873725  Size: SH
  8. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .
  9. Unclip the surge tank inlet hose from the fuel rail.

  10. Object Number: 873724  Size: SH
  11. Reposition the surge tank inlet hose clamp using J 38185 .
  12. Remove the surge tank inlet hose from the engine.

Installation Procedure


    Object Number: 873724  Size: SH
  1. Install the surge tank inlet hose to the engine.
  2. Reposition the hose clamp to secure the hose using J 38185 .

  3. Object Number: 873725  Size: SH
  4. Clip the surge tank inlet hose to the fuel rail.
  5. Install the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .

  6. Object Number: 873726  Size: SH
  7. Clip the surge tank inlet hose to the underhood junction block bracket.

  8. Object Number: 1548519  Size: SH
  9. Install the surge tank inlet hose to the surge tank.
  10. Reposition the hose clamp to secure the hose using J 38185 .
  11. Fill the cooling system. Refer to Cooling System Draining and Filling .