1. Identify Your Fan Type:
* Clutch Fan: This is a mechanical fan driven by the engine's crankshaft via a viscous clutch. Replacement involves removing the fan shroud, clutch assembly, and then the fan itself.
* Electric Fan: This fan is powered by an electric motor and is usually located in front of the radiator. Replacement involves disconnecting electrical connectors and removing mounting hardware.
2. Gather Necessary Tools:
* Repair Manual: Essential for specific instructions and torque specifications.
* Socket set and wrenches: Various sizes, likely including metric and SAE.
* Screwdrivers: Phillips and flathead.
* Pliers: Needle-nose and regular.
* Jack and jack stands (highly recommended): To safely lift the front of the vehicle.
* Safety glasses and gloves: Always protect yourself.
* New fan motor: Ensure you get the correct replacement part for your model year and engine.
3. General Steps (Vary based on fan type):
* Disconnect the Battery: This is crucial to prevent electrical shorts and injury.
* Access the Fan: This often involves removing parts like the radiator shroud or some other components in front of the radiator. Consult your repair manual for specific steps.
* Disconnect Electrical Connections (Electric Fan): Unplug any electrical connectors carefully. Take pictures to help with reassembly.
* Remove Mounting Hardware: Unscrew or unbolt the fan motor from its mounting points.
* Remove the Old Fan Motor: Carefully remove the old fan motor. Pay attention to any brackets, screws or other parts you might need to re-use.
* Install the New Fan Motor: Install the new motor in the reverse order of removal. Ensure it's securely mounted.
* Reconnect Electrical Connections (Electric Fan): Connect all electrical connectors securely.
* Reassemble Components: Put everything back together in reverse order of disassembly.
* Reconnect the Battery: Reconnect the battery terminals.
* Test the Fan: Turn on the ignition and check if the fan functions correctly (if electric). If it's a clutch fan, start the engine and check for proper operation.
Specific Considerations:
* Coolant: You might need to drain some coolant to access the fan depending on the design. Be prepared to catch the coolant and properly dispose of it.
* Clutch Fan Replacement: Replacing a clutch fan can be more involved and requires careful attention to proper alignment and torque. A faulty clutch can cause overheating.
* Electric Fan Relays and Wiring: Inspect the relay and wiring harness associated with the electric fan. Sometimes the relay or wiring is faulty, causing the fan to fail. Consider testing these components.
Important Disclaimer: This is a general guide. Improper repair can cause serious damage to your vehicle or result in personal injury. If you are not comfortable performing this repair, take your Mustang to a qualified mechanic. This information should not be considered a substitute for a professional repair manual or the advice of a trained mechanic.
