Hummer H3. Manual — part 1106

RADIATOR INLET HOSE REPLACEMENT (LLR)

Fig. 20: Radiator Hose Replacement - Inlet
Courtesy of GENERAL MOTORS CORP.

Radiator Inlet Hose Replacement (LLR)

RADIATOR OUTLET HOSE REPLACEMENT (LLR)

Tighten: 10 N.m (89 lb in)

2

Coolant Reservoir

Callout

Component Name

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications.
Preliminary Procedure:
Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) or
Cooling System Draining and Filling (Vac-N-Fill).

1

Radiator Inlet Hose
Tip: Use J 38185 to release the radiator hose clamps. See Special Tools.

2007 Hummer H3

2007 ENGINE Engine Cooling - H3

Fig. 21: Radiator Hose Replacement - Outlet
Courtesy of GENERAL MOTORS CORP.

Radiator Outlet Hose Replacement (LLR)

Callout

Component Name

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications.

Preliminary Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

2. Drain the cooling system. Refer to Cooling System Draining and Filling (Static

Fill) or Cooling System Draining and Filling (Vac-N-Fill).

3. Remove the left front wheelhouse panel. Refer to Wheelhouse Panel Replacement

(Front) or Wheelhouse Panel Replacement (Rear) .

4. Remove the engine shield. Refer to Engine Shield Replacement .

Radiator Outlet Hose

2007 Hummer H3

2007 ENGINE Engine Cooling - H3

RADIATOR VENT INLET HOSE REPLACEMENT (LEFT HAND DRIVE)

Fig. 22: Radiator Vent Inlet Hose Replacement (Left Hand Drive)
Courtesy of GENERAL MOTORS CORP.

Radiator Vent Inlet Hose Replacement (Left Hand Drive)

RADIATOR VENT INLET HOSE REPLACEMENT (RIGHT HAND DRIVE)

1

Tip: Use J 38185 to release the radiator hose clamps. See Special Tools.

Callout

Component Name

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications.
Preliminary Procedure:
Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) or
Cooling System Draining and Filling (Vac-N-Fill).

1

Radiator Inlet Vent Hose
Tip: Note routing of radiator inlet vent hose for proper installation.

2007 Hummer H3

2007 ENGINE Engine Cooling - H3

Fig. 23: Radiator Vent Inlet Hose Replacement (Right Hand Drive)
Courtesy of GENERAL MOTORS CORP.

Radiator Vent Inlet Hose Replacement (Right Hand Drive)

FAN REPLACEMENT

Tools Required

J 41240 Fan Clutch Remover and Installer. See Special Tools.

J 46406 Fan Clutch Remover and Installer. See Special Tools.

Removal Procedure

1. Remove the fan shroud. Refer to Fan Shroud Replacement (LLR).

Callout

Component Name

Preliminary Procedure

1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static

Fill) or Cooling System Draining and Filling (Vac-N-Fill).

2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .

1

Radiator Inlet Vent Hose

2007 Hummer H3

2007 ENGINE Engine Cooling - H3