1Add 8 oz. (236 ml) of Additive Friction Modifier XL-3 or equivalent meeting Ford Specification
EST-M2C118–A for complete refill of limited slip axles. Ford design rear axles contain a synthetic
lubricant that does not require changing unless the axle has been submerged in water. Dana rear
axles also contain a synthetic lubricant but do require a change. Refer to yourscheduled
maintenance informationfor change intervals on Dana rear axles.2Add the coolant type originally equipped in your vehicle.3Ensure the correct automatic transmission fluid is used. Transmission fluid requirements are
indicated on the dipstick handle. Check the container to verify the fluid being added is of the
correct type. Refer to yourscheduled maintenance informationto determine the correct service
interval.
MERCON, MERCONV and MERCONSP are not interchangeable. DO NOT mix
MERCON, MERCONV and MERCONSP. Use of dual usage fluids in an automatic
transmission application requiring MERCONSP may cause transmission damage. Use of
a transmission fluid other than the recommended fluid may cause transmission damage.4Service refill capacity is determined by filling the transmission to the bottom of the filler hole with
the vehicle on a level surface. The 6–speed manual transmission is equipped with an in-tank cooler.
Verify the fluid level after operating vehicle to ensure correct fluid level.5Indicates only approximate dry-fill capacity. Some applications may vary based on cooler size and
if equipped with an in-tank cooler. The amount of transmission fluid and fluid level should be set
by the indication on the dipstick’s normal operating range.6Use of synthetic or synthetic blend motor oil is not mandatory. Engine oil need only meet the
requirements of Ford specification WSS-M2C930-A and the API Certification mark.
2007 F-250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA(fus)
Maintenance and Specifications
294
