1
Ensure the correct automatic transmission fluid is used. Transmission
fluid requirements are indicated on the dipstick or on the dipstick
handle. Check the container to verify the fluid being added is of the
correct type. Refer to your
Scheduled Maintenace Guide
to determine
the correct service interval.
Some transmission fluids may be labeled as dual usage, such as
MERCON
威
and MERCON
威
V. These dual usage fluids are not to be used
in an automatic transmission that requires use of the MERCON
威
type
fluid. However, these dual usage fluids may be used in transmissions that
require the MERCON
威
V type fluid.
MERCON
威
and MERCON
威
V type fluids are not interchangeable.
DO NOT mix MERCON
威
and MERCON
威
V. Use of a transmission
fluid that indicates dual usage (MERCON
威
and MERCON
威
V) in
an automatic transmission application requiring MERCON
威
may
cause transmission damage. Use of any fluid other than the
recommended fluid may cause transmission damage.
2
Indicates 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.
3
Add the coolant type originally equipped in your vehicle.
4
Your vehicle’s rear axle is filled with a synthetic rear axle lubricant and
is considered lubricated for life. These lubricants are not to be checked
or changed unless a leak is suspected, service is required or the axle has
been submerged in water. The axle lubricant should be changed any time
the axle has been submerged in water.
Service refill capacities are determined by filling the rear axle 23mm (0.9
inch) below the bottom of the filler hole.
5
Add 118 ml (4 oz.) of Additive Friction Modifier XL-3 or equivalent
meeting Ford specification EST-M2C118–A for complete refill of Limited
Slip axles. For complete refills, fill using the Additive Friction Modifier
first.
6
Use of synthetic or synthetic blend motor oil is not mandatory. Engine
oil need only meet the requirements of Ford specification
WSS-M2C153–H and the API Certification mark.
2004 Navigator
(nav)
Owners Guide (post-2002-fmt)
USA English
(fus)
Maintenance and Specifications
365
