Sierra 1500 2WD V8-5.3L Hybrid (2004)
6. Remove the inlet heater hose.
INSTALLATION PROCEDURE
1. Install the inlet heater hose.
2. Install the inlet heater hose to the engine.
3. Connect the heater and surge tank hose to the heater core.
Firmly push the quick connect onto the heater core pipe until you hear an audible click.
4. Install the heater and surge tank hose to the mounting clip.
5. Install the air intake tube.
6. Fill the cooling system. Refer to Draining and Filling Cooling System (with HP2)Draining and Filling Cooling System (without HP2) in Cooling
System.
