Fluid Ford Part
Name Application Capacity
Front axle
lubricant Motorcraft SAE
75W-90 Fuel
Efficient High
Performance
Synthetic Rear
Axle Lubricant 4 x 4 vehicles 1.8-2.0L (3.5-3.7
pints)
Rear axle
lubricant 4
Motorcraft SAE
75W-90 Fuel
Efficient High
Performance
Synthetic Rear
Axle Lubricant Conventional
differential
(9.75 inch axle) 2.13L (4.5 pints)
Motorcraft SAE
75W-140 High
Performance
Synthetic Rear
Axle Lubricant Limited-slip
differential
(9.75 inch axle) 5
2.01L (4.25
pints) 5
Windshield
washer fluid Motorcraft
Premium
Windshield
Washer
Concentrate All 4.1L (4.5
quarts)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 maintenance guide to determine
the correct service interval.
Some transmission fluids may be labeled as dual usage, such as
MERCON and MERCON V. These dual usage fluids are not to be used
in an automatic transmission that requires use of the MERCON type
fluid. However, these dual usage fluids may be used in transmissions that
require the MERCON V type fluid.
MERCON and MERCON V type fluids are not interchangeable.
DO NOT mix MERCON and MERCON V. Use of a transmission
fluid that indicates dual usage (MERCON and MERCON V) in
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus)Maintenance and Specifications
350
Item Ford part
name Ford part
number Ford
specification
Rear axle Motorcraft SAE
75W-90 Fuel
Efficient High
Performance
Synthetic Rear
Axle Lube XY-75W90 – QFEHP meets API GL-5
Motorcraft SAE
75W-140 High
Performance
Synthetic Rear
Axle Lube 2
XY-75W140 – QL WSL-M2C192-A
Front axle
(4X4) Motorcraft SAE
75W-90 Fuel
Efficient High
Performance
Synthetic Rear
Axle Lube XY-75W90 – QFEHP meets API GL-5
Transfer case
(4X4) Motorcraft
MERCON AT F XT-2-QDX MERCON
Windshield
washer fluid Motorcraft
Premium
Windshield
Washer
Concentrate ZC-32 – A WSB-M8B16 – A21
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 maintenance guide to determine
the correct service interval.
Some transmission fluids may be labeled as dual usage, such as
MERCON and MERCON V. These dual usage fluids are not to be used
in an automatic transmission that requires use of the MERCON type
fluid. However, these dual usage fluids may be used in transmissions that
require the MERCON V type fluid.
2004 Navigator (nav)
Owners Guide (post-2002-fmt)
USA English (fus) Maintenance and Specifications
353
