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Item Capacity
Ford Part Name or
equivalent
Ford Part Number /
Ford Specification
Rear axle fluid (4X4)
5
2.4 pints (1.15L)
6
Motorcraft SAE 80W-90
Premium Rear Axle
Lubricant
XY-80W90-QL /
WSP-M2C197-A
Power Transfer Unit
fluid
(4X4)
7
12 ounces (0.35L)
Motorcraft SAE 75W-140
Synthetic Rear Axle
Lubricant
XY-75W140-QL /
WSL-M2C192-A
Windshield washer fluid 2.7 quarts (2.6L)
Motorcraft Premium
Windshield Washer
Concentrate
ZC-32-A /
WSB-M8B16-A2
Fuel tank
16.5 gallons
(62.5L)
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1
Add the coolant type originally equipped in your vehicle.
2
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.
3
Indicates only approximate dry-fill capacity. 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 V should only use MERCON V fluid or fluid that
is specified dual usage MERCON/MERCON 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
4X4 vehicles exposed for prolonged periods to temperatures less than -40°F (-40°C) should
change out the rear axle fluid to Motorcraft SAE 75W-140 Synthetic Rear Axle Lubricant, Ford part
number XY-75W140-QL meeting Ford specification WSL-M2C192-A.
6
Fill to 1/4 inch to 9/16 inch (6 mm to 14 mm) below bottom of fill hole.
7
The Power Transfer Unit is lubricated for life with synthetic lube. Lubricant levels are not to be
checked or changed unless a leak is suspected or repair required. Replace Power Transfer Unit
lubricant with specified synthetic lubricant anytime the unit is submerged in water. Never engage
the 4X4 feature while on dry pavement.
2008 Mariner (mrn)
Owners Guide (post-2002-fmt)
USA (fus)
Maintenance and Specifications
287