gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Coolant Line/Hose|Service and Repair|Page 1134 > < Refrigerant Filter|Service and Repair
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Coolant Line/Hose: Service and Repair

Thermostat Housing Crossover Replacement (LLY/LBZ) (6.6L)

Removal Procedure

1. Remove the radiator fan. Refer to Fan Replacement   (See: Engine, Cooling and Exhaust/Cooling System/Radiator Cooling Fan/Service and

Repair).

2. Remove the drive belt tensioner and generator bracket. Refer to Generator Bracket Replacement (4.8L/5.3L/6.0L)   (See: Starting and

Charging/Charging System/Alternator/Service and Repair/Generator Bracket Replacement)Generator Bracket Replacement (6.6L)   (See: Starting
and Charging/Charging System/Alternator/Service and Repair/Generator Bracket Replacement)Generator Bracket Replacement (4.3L)   (See:
Starting and Charging/Charging System/Alternator/Service and Repair/Generator Bracket Replacement).

3. Remove the air conditioning (A/C) and power steering bracket. Refer to Air Conditioning (A/C) Compressor and Power Steering Pump Bracket

Replacement (LLY, LBZ)   (See: Engine, Cooling and Exhaust/Engine/Drive Belts, Mounts, Brackets and Accessories/Engine Accessory
Bracket/Service and Repair).

4. Remove the fuel line bolt and position the fuel line aside.

Coolant Line/Hose|Service and Repair|Page 1134 > < Refrigerant Filter|Service and Repair