Removal Procedure

WARNING: This page is about a different car, the 2004 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: MAF/IAT Sensor & Air Cleaner Assembly

Courtesy of GENERAL MOTORS CORP.

Drain the cooling system. Refer to Draining and Filling Cooling System .
Loosen the air cleaner outlet duct clamps at the following locations:
- Throttle body
- Mass airflow/intake air temperature (MAF/IAT) sensor
Remove the radiator inlet hose clip from the outlet duct.
Remove the air cleaner outlet duct.

Fig 2: View Of Vent Inlet Hose At Throttle Body

Courtesy of GENERAL MOTORS CORP.

Remove the radiator vent inlet hose from the radiator hose clips.

Fig 3: View Of Inlet Hose & Water Pump

Courtesy of GENERAL MOTORS CORP.

Reposition the inlet hose clamp at the water pump.
Remove the inlet hose from the water pump.
Remove the fan blade. Refer to Fan Replacement .
Remove the accessory drive belt. Refer to Drive Belt Replacement - Accessory in Engine Mechanical - 6.0L (LQ4).

Fig 4: View Of Outlet Hose & Water Pump

Courtesy of GENERAL MOTORS CORP.

Reposition the outlet hose clamp at the water pump.
Remove the outlet hose from the water pump.

Fig 5: View Of Surge Tank Outlet Hose To Water Pump

Courtesy of GENERAL MOTORS CORP.

Reposition the surge tank outlet hose clamp at the water pump.
Remove the surge tank outlet hose from the water pump.

Fig 6: View Of Heater Inlet Hose At Water Pump

Courtesy of GENERAL MOTORS CORP.

Reposition the heater inlet hose clamp at the water pump.
Remove the heater inlet hose from the water pump.

Fig 7: View Of Water Pump, Gaskets & Bolts

Courtesy of GENERAL MOTORS CORP.

Remove the water pump bolts.
Remove the water pump and gaskets.
Discard the water pump gaskets.