Removal Procedure

Fig 1: MAF/IAT Sensor & Air Cleaner Assembly

GM832908

Courtesy of GENERAL MOTORS CORP.

Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (Vac-N-Fill) .
Loosen the air cleaner outlet duct clamps at the following locations:
- Throttle body
- Mass airflow (MAF) intake air temperature (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

GM659465

Courtesy of GENERAL MOTORS CORP.

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

Fig 3: View Of Inlet Hose & Water Pump

GM659418

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 Engine Cooling Fan Replacement .
Remove the accessory drive belt. Refer to Drive Belt Replacement - Accessory .

Fig 4: View Of Outlet Hose & Water Pump

GM659509

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

GM659180

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

GM660665

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

GM260121

Courtesy of GENERAL MOTORS CORP.

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