Atf change

Tom is correct, Mercon V is compatible. I personally would use it as there have been improvements to the fluid.

From Ford Parts and Service Websire.... Motorcraft® MERCON® V Automatic Transmission Fluid (ATF) and Power Steering Fluid Premium-quality dual-use fluid for Ford and Lincoln vehicles Can be used in vehicles requiring MERCON® V or MERCON® type automatic transmission fluid Provides excellent performance in electronically controlled automatic transmissions Manufactured with high-viscosity index, premium-quality, hydroprocessed base oils and specially designed performance additives Provides excellent shifting characteristics at high and low ambient temperatures Offers excellent thermal and oxidation resistance, as well as good low-temperature fluidity Provides wear protection and inhibits the formation of gum, sludge, lacquer and foam Provides protection against rust and corrosion Dyed red for easy leak detection Suitable for use as a hydraulic oil in a wide variety of industrial applications that call for an ISO 46 or SAE 20W viscosity grade hydraulic oil Not for use in applications where MERCON® SP, MERCON® LV, Continuously Variable Chain Type Transmission Fluid, Motorcraft® Premium Automatic Transmission Fluid, FNR5 Automatic Transmission Fluid or Type F Automatic Transmission Fluid is recommended Not for use in transfer cases Recommended by Ford Motor Company Available in cases of 12 one-quart bottles, four (4) five-quart bottles, six (6) one-gallon units and 55-gallon units Use of bulk fluid is environmentally proactive and bulk quantities are available at substantial savings