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

Removal and Installation

1. Thermostat


1. Thermostat

2. O-ring

3. Engine coolant inlet

4. Water control valve

5. Gasket

6. Engine coolant outlet

7. Copper washer

8. Engine coolant temperature sensor

9. Heater pipe

A. To electric throttle control

B. To oil cooler

C. To heater

D. To heater

E. To electric throttle control

F. To oil cooler

WARNING:


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 the engine is cold.

1. Drain engine coolant from the radiator. Refer to CO-12, "Changing Engine Coolant".

2. Remove the air duct. Refer to EM-25, "Removal and Installation".

3. Remove radiator lower hose from the engine coolant inlet side.

4. Remove engine coolant inlet and thermostat.

INSPECTION AFTER REMOVAL

    Water pump
    Removal and Installation 1. Water pump 2. Gaskets 3. Water pump housing 4. Water pipe 5. O-ring WARNING: Never remove the radiator cap when the engine is hot. Serious burns could occur from ...

    Water control valve
    Removal and Installation 1. Thermostat 2. O-ring 3. Engine coolant inlet 4. Water control valve 5. Gasket 6. Engine coolant outlet 7. Copper washer 8. Engine coolant temperature sensor 9. H ...

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    Oil cooler
    Removal and Installation 1. Oil pressure switch 2. Oil cooler 3. Gasket 4. Water hose (outlet) 5. Water hose (inlet) A. To water control valve housing B. To heater pipe assembly C. Hose clamp D. Clip WARNING: Be careful not to get burned, engine coolant and engine oil may be hot. CAUTI ...

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