Nissan Altima 2007-2012 Service Manual: Thermostat and thermostat housing

Removal and Installation

1. Gasket


1. Gasket

2. Thermostat assembly

WARNING: Never remove the radiator cap when the engine is hot. Serious burns could occur from high pressure coolant escaping from the radiator.

REMOVAL

CAUTION: Perform when engine is cool.

1. Drain engine coolant from the radiator. Refer to CO-35, "Changing Engine Coolant".

2. Remove drive belts. Refer to EM-121, "Removal and Installation".

3. Remove water drain plug on water pump side of the engine. Refer to EM-206, "Disassembly and Assembly".

4. Disconnect lower radiator hose.

5. Remove engine coolant inlet and thermostat assembly.

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