Installation Procedure
- Install the thermostat.
- Install the thermostat housing and gasket.
- Install RTV sealer (GM P/N 1052366 or the equivalent) to the thermostat housing bolt threads.NOTE: Refer to FASTENER NOTICE .
- Install the thermostat housing bolts.
Tighten
Tighten the bolts to 25 N.m (18 lb ft).
- Install the radiator hose to the thermostat housing.
- Install the crossover exhaust pipe. Refer to EXHAUST CROSSOVER PIPE REPLACEMENT .
- Install the air cleaner and duct assembly.
- Fill the cooling system. Refer to Draining and Filling Cooling System .