Item Capacity Ford part nameFord part number /
Ford specification
Automatic
transmission fluid10.0 quarts (9.5L)
3
Motorcraft MERCONV
AT F
4
XT-5-QM /
MERCONV
Rear differential
(AWD) fluid2.4 pints (1.15L)Motorcraft SAE 80W-90
Premium Rear Axle
LubricantXY-80W90-QL /
WSP-M2C197-A
Power Transfer Unit
(PTU) fluid (AWD)
5
12 ounces (0.35L)Motorcraft SAE 75W-140
Synthetic Rear Axle
LubricantXY-75W140-QL /
WSL-M2C192-A
Windshield washer
fluid4.75 quarts (4.5L)Motorcraft Premium
Windshield Washer
ConcentrateZC-32-A /
WSB-M8B16-A2
Fuel tank
(front-wheel drive)19.2 gallons
(72.7L)——
Fuel tank (all-wheel
drive)20.8 gallons
(78.7L)——
1Use 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.2Add the coolant type originally equipped in your vehicle.3Indicates 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.4Automatic transmissions that require MERCONV should only use MERCONV fluid or fluid that
is specified dual usage MERCON/MERCONV. Refer toscheduled maintenance informationto
determine the correct service interval. Use of any fluid other than the recommended fluid may
cause transmission damage.5See your authorized dealer for fluid level checking or filling.
2008 MKX(mkx)
Owners Guide (post-2002-fmt)
USA(fus)
Maintenance and Specifications
312
