Shroud Shield Assembly Replacement - Hummer H1 Service Manual

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SHROUD SHIELD ASSEMBLY REPLACEMENT

Removal
1. Remove radiator and fan shroud.
2. Remove screws and shroud shield assembly from airlift
bracket (Figure 4-9).
AIRLIFT BRACKET
Figure 4-9: Shroud Shield Assembly Replacement
Installation
1. Secure shroud shield assembly to airlift bracket with
screws (Figure 4-9).
2. Install radiator and fan shroud.
RADIATOR REAR SUPPORT BRACKET
REPLACEMENT
Removal
1. Remove left splash shield (Section 10).
2. Remove battery tray and right splash shield (Section 12).
3. Remove radiator rear support bracket and insulator from
radiator (Figure 4-10).
4. Remove support bracket from airlift bracket (Figure 4-11).
Installation
1. Fasten radiator rear support bracket to airlift bracket with
bolts, washers, and locknuts. Do not tighten locknuts
(Figure 4-11).
2. Secure insulator and support bracket to radiator with
washers and locknut (Figure 4-10).
3. Tighten all locknuts to 26 lb-ft (35 N•m).
4. Install left splash shield (Section 10).
5. Install battery tray and right splash shield (Section 12).
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SHROUD
SHIELD ASSEMBLY
Cooling System
RADIATOR
INSULATOR
REAR SUPPORT BRACKET
Figure 4-10: Insulator and Rear Support Bracket
Location
SURGE TANK REPLACEMENT
Removal
1. Drain cooling system.
2. Disconnect radiator vent hose from surge tank (Figure 4-12).
3. Disconnect surge tank-to-lower radiator hose from surge
tank.
4. Disconnect overflow hose from surge tank.
5. Disconnect low coolant sensor wiring harness.
6. Loosen clamps and remove surge tank from bracket.
REAR
SUPPORT BRACKET
Figure 4-11: Rear Support Bracket Mounting
Installation
1. Secure surge tank to bracket with clamps (Figure 4-12).
2. Connect low coolant sensor wiring harness.
4-7
AIRLIFT BRACKET