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Cooling Fan Replacement
 
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Pelican Technical Article:

Cooling Fan Replacement

Nick Czerula

Time:

2 hours2 hrs

Tab:

$200

Talent:

***

Tools:

T20 Torx driver, flathead screwdriver

Applicable Models:

Volvo V70 (1998-01)
Volvo V70 2.4T (2001)
Volvo V70 AWD (1998-99)
Volvo V70 GLT (1998-00)
Volvo V70 GLT SE (2000)
Volvo V70 R (1998)
Volvo V70 R AWD (1999-00)
Volvo V70 T5 (1998-01)
Volvo V70 X/C (2001)
Volvo V70 X/C AWD (1998-00)
Volvo V70 X/C AWD SE (2000)

Parts Required:

Engine cooling fan, coolant reservoir vent hose

Hot Tip:

Work with a cool engine and clear DME fault codes when done

Performance Gain:

Proper engine cooling

Complementary Modification:

Inspect radiator and coolant hoses

The cooling fan on Volvo V70 models is electronic and controlled depending on engine temperature and a/c operation. The main job of the cooling fan is to draw ambient air across the cooling fins of the radiator to lower engine coolant temperatures. Usually the fan will only run when the vehicle is stationary or at low speeds, when airflow across the radiator needs to be increased.

V70 models utilize an electronic cooling fan integrated into the cooling fan shroud. When repairing, the cooling fan and shroud are replaced as a unit. The cooling fan is responsible for maintaining proper engine coolant temperature and A/C cooling. When a V70 cooling fan fails, the fan will not activate or only activate at high speed. You can check cooling fan operation by turning on your air-conditioning and listening for the fan to activate.

When replacing your electronic cooling fan, you will want to work with the engine cold and disconnect the battery's negative cable. Disconnecting the negative battery cable will prevent the electric cooling fan from starting while being serviced. The fan could start at any time and personal injury can occur. Don't skip this step.

For a quick test of the fan, turn on your A/C. The fan should come on. If it does not, it may be faulty. You can also try unplugging your coolant temperature sensor. The fan should run on HIGH. Keep in mind with this technique, a fault code will be set and have to be cleared. Or you will be stuck with a check engine light for a few days until it automatically clears.

Remember that your car may have been serviced before and had parts replaced with different size fasteners used in the replacement. The sizes of the nuts and bolts we give may be different from what you have so be prepared with different size sockets and wrenches.

Protect your eyes, hands and body from fluids, dust and debris while working on your vehicle. If you're working with the electrical system, disconnect the battery before beginning. Always catch fluids in appropriate containers and properly dispose of any fluid waste. Recycle parts, packaging and fluids when possible. Never work on your vehicle if you feel the task is beyond your ability.

Our vehicle may vary slightly from yours as models do change and evolve, as they grow older. If something seems different, let us know and share your info to help other users. Do you have questions or want to add to the article? Leave a comment below. When leaving a comment, please leave your vehicle information.

Working in the trunk, disconnect the battery negative cable and cover the battery terminal so the cable does not accidentally come in contact with the terminal. See our tech article on battery replacing for notes on disconnecting and reconnecting the battery.

V70 models utilize an electronic cooling fan integrated into the cooling fan shroud (red arrow).
Figure 1

V70 models utilize an electronic cooling fan integrated into the cooling fan shroud (red arrow).

Working at the intake air duct, pull the duct out of the radiator and the intake air box (red arrow).
Figure 2

Working at the intake air duct, pull the duct out of the radiator and the intake air box (red arrow).

Working at the cooling fan shroud, remove the vacuum hose from the mount (red arrow).
Figure 3

Working at the cooling fan shroud, remove the vacuum hose from the mount (red arrow).

Working at the cooling fan shroud, remove the electrical connector from the shroud (red arrow).
Figure 4

Working at the cooling fan shroud, remove the electrical connector from the shroud (red arrow). Then, disconnect the electrical connector by pressing the release tab and pulling it apart (inset).

Working at the cooling fan shroud, locate the vacuum solenoid (green arrow).
Figure 5

Working at the cooling fan shroud, locate the vacuum solenoid (green arrow). Remove the vacuum hose from the solenoid (red arrow).

Working at the left side of the cooling fan shroud, locate the vacuum solenoid (green arrow).
Figure 6

Working at the left side of the cooling fan shroud, locate the vacuum solenoid (green arrow). Remove the vacuum hose from the solenoid (red arrow).

Working at the top of the cooling fan shroud, locate the fan relay module (red arrow).
Figure 7

Working at the top of the cooling fan shroud, locate the fan relay module (red arrow). Remove the relay module hose from the shroud by sliding it out toward the engine (inset).

Then, disconnect the electrical connector by pressing the release tab (red arrow) and pulling it apart.
Figure 8

Then, disconnect the electrical connector by pressing the release tab (red arrow) and pulling it apart. Feed the disconnected connector through the wiring harness to free it up for removal (green arrow).

Raise and support the front of your vehicle.
Figure 9

Raise and support the front of your vehicle. Working at the lower left corner of the radiator, loosen the T25 Torx fastener (red arrow) about six turns.

Working at the lower right corner of the radiator, loosen the T25 Torx fastener (red arrow) about six turns.
Figure 10

Working at the lower right corner of the radiator, loosen the T25 Torx fastener (red arrow) about six turns.

Working at the top of the radiator, remove the two T25 Torx fasteners (green arrows).
Figure 11

Working at the top of the radiator, remove the two T25 Torx fasteners (green arrows).

Then pull the cooling fan up (red arrow) and remove it from the engine compartment.
Figure 12

Then pull the cooling fan up (red arrow) and remove it from the engine compartment. Be careful not to snag the fan on wires or hoses, when installing the new cooling fan. Slide it down into engine compartment. Move the fan into the aligning slots in the bottom of the fan with the fasteners at the bottom of the radiator. Be sure that the fan is properly seated in the radiator support. If the fan is giving you a hard time and will not drop all the way down, check to see if the bottom of the cooling fan is hung up on the radiator or hoses. Reroute the wiring harness and connect it. You can check the operation by running the engine and turning on the A/C. The cooling fan will run when the A/C is switched ON.




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