Removal Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Partially drain the engine coolant. Refer to Draining and Filling Cooling System in Engine Cooling .
- Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 4.3L or to Air Cleaner Assembly Replacement in Engine Controls - 4.8, 5.3, and 6.0L .
- Remove the heater hose clamps using the J-39529 .
- Remove the outlet heater hose from the outlet radiator hose connection.
- Remove the outlet heater hose from the heater core outlet.