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Removal & Installation: Thermostat: Installation

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NOTE: When adding coolant, use DEX-COOL® coolant. If silicated coolant is added to the system, premature engine, heater core or radiator corrosion may result. In addition, the engine coolant will require change sooner-at 30,000 mi (50,000 km) or 24 months.
  1. Install the thermostats. See Figure. Install the thermostat housing to the intake manifold.
  2. Install the bolts to the housing. Tighten the bolts to specifications. See TORQUE SPECIFICATIONS .
  3. Connect the radiator hose to the thermostat housing. Install the surge tank. Install the air cleaner and the duct.
    4. NOTE: In order to properly fill a system that has been completely drained, use the air bleed vents, located on the thermostat housing.
  4. Refill the cooling system. See DRAINING & FILLING COOLING SYSTEM  under ADJUSTMENTS & INSPECTIONS. Bleed the air from the cooling system. Inspect the thermostat housing and the gasket for coolant leaks.
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