Installation Procedure
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Install the outlet heater hose.
- Install the outlet heater hose to the engine.
- Connect the outlet heater hose to the heater core. Firmly push the quick connect onto the heater core pipe until you hear an audible click.
- Install the heater and surge tank hose to the mounting clip.
- Install the air intake tube.
- Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .