Hummer H1 (2006+). Manual - part 184

4-16

Cooling System

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Figure 4-13:   Radiator Lower Tube Assembly Location

DRAIN VALVE

LOWER TUBE 

SURGE TANK-TO-

ASSEMBLY

LOWER RADIATOR

HOSE

LOWER

RADIATOR HOSE

WATER PUMP

INLET HOSE

11-1-05

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 Cooling System  4-17

5745804

WATER PUMP INLET HOSE REPLACEMENT

Removal

1.

Drain the cooling system.

2.

Loosen the clamps and remove the water pump inlet hose from the water pump and lower tube assembly (Figure  4-13).

Installation

1.

Connect the water pump inlet hose to the lower tube assembly and the water pump and tighten the clamps (Figure  4-13).

2.

Fill the cooling system. See cooling system service for proper filling and bleeding procedure.

SURGE TANK OVERFLOW HOSE REPLACEMENT

Removal

1.

Remove the overflow hose from the surge tank filler neck   (Figure  4-14).

2.

Remove the screw, clamp, and the overflow hose from the body.

Installation

1.

Connect the overflow hose to the surge tank filler neck (Figure  4-14).

2.

Secure the overflow hose to the body with the clamp.

Figure 4-14:   Surge Tank Overflow Hose Mounting

OVER FLOW

HOSE

SURGE

TANK

4-18

Cooling System

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SURGE TANK-TO-LOWER RADIATOR TUBE HOSE REPLACEMENT

Removal

1.

Drain the cooling system.

2.

Loosen the clamps and remove the hose from the surge tank and lower tube assembly (Figure  4-15).

Installation

1.

Install the hose on the lower tube assembly and the surge tank and tighten the clamps (Figure  4-15).

2.

Fill the cooling system. See cooling system service for proper filling and bleeding procedure.

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 Cooling System  4-19

5745804

Figure 4-15:   Surge Tank-to-Lower Tube Assembly Hose Location

DRAIN VALVE

LOWER TUBE 

SURGE TANK-TO-

ASSEMBLY

LOWER RADIATOR

HOSE

LOWER

RADIATOR HOSE

WATER PUMP

INLET HOSE

11-1-05