### Electric Cooling Fan

#### REMOVAL AND INSTALLATION

##### Sentra and 200SX

1. Disconnect the negative battery cable.
2. Drain the cooling system.
3. If necessary to gain access, unbolt and set aside the power steering pump assembly.

   NOTE: Do not disconnect the power steering pressure hoses or drain the system.

4. Disconnect the upper radiator hose.
5. Unbolt the fan shroud assembly from the radiator and/or support.

   NOTE: On some vehicles, it may be necessary to remove the radiator first before removing the fan and shroud assembly.

6. Disconnect the fan motor wires and remove the fan and shroud assembly.
7. If necessary to remove radiator first, follow the proper procedures for radiator removal first.

   To install:

8. Install the fan motor and blade to the shroud assembly and tighten the bolts.
9. Install the radiator in the vehicle and torque the mounting bolts evenly.
10. The remaining components are installed in the reverse order from which they were removed.
11. Connect the fan motor electrical connectors.
12. Connect the upper radiator hose and all other cooling system hoses, that may have been removed, to the radiator.
13. If removed, install the power steering pump.
14. Refill the radiator with proper coolant / water mixture and follow the appropriate system bleeding procedures.
15. Connect the negative battery cable.
16. Operate the engine until warm and then check for leaks, coolant level, and fan operation.

##### Altima and 240SX with 2.4L (KA24DE) and Maxima with 3.0L (VG30E) Engines

1. Disconnect the negative battery cable.
2. On the some models it may be necessary to remove the radiator cap and drain the radiator via the drain plug in the bottom tank. Remove the upper radiator hose.
3. Disconnect the cooling fan electrical connectors.
4. Remove the bolts securing the fan/shroud assembly from the radiator.
5. Remove the fan and shroud assembly from the vehicle.

   To install:

6. Install the cooling fan and shroud assembly. Tighten the mounting bolts to 29–37 inch lbs. (3–5 Nm).
7. Using new clamps, install the upper hose if removed.
8. Refill the cooling system with 50/50 antifreeze/water mix and bleed the system.
9. Connect the cooling fan electrical connectors and connect the negative battery cable.
10. Run engine and check the cooling system for leaks and verify the operation of the cooling fans.

##### 300ZX

1. Disconnect negative battery cable.
2. Remove drive belts.
3. Remove fan bolts from fan coupling.
4. Remove fan assembly.
5. Remove nuts that attach fan coupling to fan pulley.
6. Remove fan coupling.

   To install:

   NOTE: Access to the cooling fan may not be possible from above with the fan shroud installed. Removing the lower fan shroud from underneath the vehicle could allow access to fan clutch nuts. If the fan nuts are not accessible with the lower fan shroud removed, removal of radiator upper fan shroud will be necessary.

   To install:

7. Install the fan blade assembly to the fan clutch and tighten the mounting bolts to 52–86 inch lbs. (6–10 Nm).
8. Install the fan clutch and fan blade assembly to the water pump. Tighten the mounting bolts to 52–86 inch lbs. (6–10 Nm).
9. Install the drive belts and adjust.
10. Reinstall the fan shrouds, if removed.
11. Connect the negative battery cable.