Nissan Altima 2007-2012 Service Manual: Cooling fan

Removal and Installation

1. Fan blade


1. Fan blade

2. Fan shroud and motor assembly

REMOVAL

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

CAUTION: Perform when engine is cold.

2. Remove CVT control module (if equipped). Refer to TM-430, "Removal and Installation".

3. Remove battery tray. Refer to PG-139, "Removal and Installation".

4. Disconnect radiator upper hose.

5. Disconnect fan motor connectors.

6. Remove radiator cooling fan assembly.

INSTALLATION

Installation is in the reverse order of removal.

• After installation refill engine coolant and check for leaks. Refer to CO-35, "Changing Engine Coolant" and CO-34, "System Inspection".

CAUTION: Do not spill coolant in engine compartment. Use a shop cloth to absorb coolant.

• Cooling fans are controlled by ECM. For details, refer to EC-1099, "System Description".

Disassembly and Assembly of Cooling Fan

1. Fan blade


1. Fan blade

2. Fan shroud

3. Fan motor

DISASSEMBLY

1. Remove fan blade nut.

2. Remove fan blade from fan motor.

3. Remove fan motor bolts and remove fan motor from fan shroud.

ASSEMBLY

Assembly is in the reverse order of disassembly.

    Radiator
    Removal and Installation 1. Radiator 2. CVT oil cooler hose (if equipped) 3. Radiator hose (upper) 4. Radiator hose (lower) 5. Cooling fan 6. Reservoir tank 7. Reservoir hose 8. Radiator fil ...

    Water pump
    Removal and Installation 1. Water pump 2. O-rings WARNING: Never remove the radiator cap when the engine is hot. Serious burns could occur from high pressure coolant escaping from the radiato ...

    Other materials:

    Compression pressure
    CHECKING COMPRESSION PRESSURE 1. Warm up the engine to full operating temperature. 2. Release the fuel pressure. Refer to EC-550, "Inspection" (California), EC-1038, "Inspection" (Except California). 3. Remove the ignition coil and spark plug from each cylinder. Refer ...

    ABS branch line circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the ABS actuator and electric unit (control unit) for damage, bend and loose connection (unit ...

    Key slot illumination
    Description Blinks when Intelligent Key insertion is required. Component Function Check Check key slot illumination (“KEY SLOT ILLUMI”) Active Test mode. Is the inspection result normal? YES >> Key slot function is OK. NO >> Refer to SEC-114, "Diagnosis Proce ...