gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Thermostat Housing Crossover Replacement (LLY, LBZ)|Page 4437 > < Thermostat Housing Crossover Replacement (LLY, LBZ)|Page 4435
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13. Remove the 8 thermostat housing crossover bolts.
14. Remove the thermostat housing crossover.

Installation Procedure

1. Position the thermostat housing crossover.

Notice: Refer to Fastener Notice.

2. Install the 8 thermostat housing crossover bolts.

Tighten the thermostat housing crossover bolts to 25 N.m (18 lb ft).

3. Install the thermostat bypass bolts to the water pump.

Tighten to 21 N.m (16 lb ft).

4. Install the radiator inlet hose to the thermostat housing.
5. Connect the hose to the thermostat bypass pipe.

Thermostat Housing Crossover Replacement (LLY, LBZ)|Page 4437 > < Thermostat Housing Crossover Replacement (LLY, LBZ)|Page 4435