GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  2. Drain the cooling system. Refer to Cooling System Draining and Filling .

  3. Object Number: 1087623  Size: SH
  4. Remove the heater outlet hose clamps (1).
  5. Remove the heater outlet hose (2).

Installation Procedure

  1. Apply engine coolant to the heater outlet hose in order to ease installation.

  2. Object Number: 1087623  Size: SH
  3. Install the heater outlet hose (2).
  4. Install the heater outlet hose clamps (1).
  5. Fill the cooling system. Refer to Cooling System Draining and Filling .
  6. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .