Item Capacity Ford part name
Ford part number /
Ford specification
Automatic
transmission fluid
10.0 quarts (9.5L)
3
Motorcraft MERCON威 V
ATF
4
XT-5-QM /
MERCON威 V
Rear differential
(AWD) fluid
2.4 pints (1.15L)
Motorcraft SAE 80W-90
Premium Rear Axle
Lubricant
XY-80W90-QL /
WSP-M2C197-A
Power Transfer Unit
(PTU) fluid (AWD)
5
12 ounces (0.35L)
Motorcraft SAE 75W-140
Synthetic Rear Axle
Lubricant
XY-75W140-QL /
WSL-M2C192-A
Windshield washer
fluid
4.75 quarts (4.5L)
Motorcraft Premium
Windshield Washer
Concentrate
ZC-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)
——
1
Use 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.
2
Add the coolant type originally equipped in your vehicle.
3
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.
4
Automatic transmissions that require MERCON威 V should only use MERCON威 V fluid or fluid that
is specified dual usage MERCON威/MERCON威 V. Refer to scheduled maintenance information to
determine the correct service interval. Use of any fluid other than the recommended fluid may
cause transmission damage.
5
See your authorized dealer for fluid level checking or filling.
2008 MKX (mkx)
Owners Guide (post-2002-fmt)
USA (fus)
Maintenance and Specifications
312
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