Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Install the inlet heater hose (6) to the auxiliary water pump (1).

Fig 1: Inlet Heater Hose Clamp And Auxiliary Water Pump (W/ HP2 Front)
Courtesy of GENERAL MOTORS CORP.
Position the inlet heater hose clamp (4) to the auxiliary water pump (1).
Install the inlet heater hose to the engine.

Fig 2: Removing/Installing Heater Hose To Engine
Courtesy of GENERAL MOTORS CORP.
Position the inlet heater hose clamp to the engine.

IMPORTANT: Align the arrow at the throttle body end of the duct with the throttle body attaching stud.

Fig 3: View Of Air Cleaner Outlet Duct (W/HP2 Front)

Courtesy of GENERAL MOTORS CORP.

Install the air cleaner outlet duct.
Install the radiator inlet hose clip to the outlet duct.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Tighten the air cleaner outlet duct clamps at the following locations:
- Throttle body
- MAF/IAT sensor
  Tighten: Tighten the screws to 7 N.m (62 lb in).
Fill the cooling system. Refer to Draining and Filling Cooling System (with HP2) or Draining and Filling Cooling System (without HP2) in Engine Cooling.