Radiator Cooling Fan: Service and Repair
Hydraulic Cooling Fan System Filling and BleedingSpecial Tools:
Special Tool(s)
NOTE: It is not uncommon to repeat this procedure three times.
1. Fill the hydraulic cooling fan reservoir to the MAX level. Use Motorcraft MERCON Multipurpose (ATF) Transmission Fluid.
2. Apply vacuum for two to three minutes.
^ Remove the vacuum pump.
^ Start the engine and turn the A/C on MAX. This will run the hydraulic fan. If a whining noise is heard, repeat the procedure.