Sierra 2500 2WD V8-6.6L DSL Turbo (2007)
Notice: Refer to Fastener Notice.
1. If necessary, perform the following:
1. Install NEW seals to the thermostats.
2. Install the thermostats.
3. Install the thermostat cover and bolts.
Tighten the bolts to 21 N.m (15 lb ft).
4. Install a NEW O-ring seal to the thermostat bypass pipe.
5. Install the thermostat bypass pipe to the thermostat housing.
2. Install a NEW thermostat bypass pipe to water pump O-ring seal.
3. Install the thermostat housing crossover using NEW gaskets.
4. Install the thermostat housing crossover bolts and nuts.
Tighten the bolts/nuts to 21 N.m (15 lb ft).
5. Install the water pump inlet pipe bolts.
Tighten the bolts to 21 N.m (15 lb ft).
