2015 Ford F450 Super Duty Crew Cab Owner Manual Printing 2 - Page 311

Capacities and Specifications Add 8 oz. (236 ml) of Additive Friction Modifier XL-3 or equivalent meeting Ford Specification EST-M2C118-A for complete refill of limited slip Ford axles. Ford design rear axles contain a synthetic lubricant that does not require changing unless you submerge the axle in water. 2 1 Ford recommends using Motorcraft (Ford) DOT 3 LV High Performance Motor Vehicle Brake Fluid, Motorcraft (Ford) DOT 4 LV High Performance Motor Vehicle Brake Fluid or equivalent meeting WSS-M6C65-A1 or WSS-M6C65-A2. Use of any fluid other than the recommended fluid may cause degraded brake performance and not meet the Ford performance standards. Keep brake fluid clean and dry. Contamination with dirt, water, petroleum products or other materials may result in brake system damage and possible failure. 3 Add the coolant type originally equipped in your vehicle. 4 Ford has designed your engine to use Motorcraft engine oils or equivalent oils that meet Ford's specification. It is also acceptable to use an engine oil of recommended viscosity grade that meets API SN requirements and displays the API Certification Mark for gasoline engines. 5 Do not use oils labeled as API SN unless the label also display the API certification mark. These oils do not meet the requirements of your vehicles engine and emissions system. 6 Do not use supplemental engine oil additives. They are unnecessary and could lead to engine damage not covered by your Ford warranty. 7 Use the correct automatic transmission fluid. Transmission fluid requirements are indicated on the dipstick blade or the dipstick handle. Check the container to verify the fluid you are adding is of the correct type. Refer to your scheduled maintenance information to determine the correct service interval. Note: Automatic transmissions that require MERCON LV should only use MERCON LV fluid. Use of any fluid other than the recommended fluid may cause transmission damage. 8 Indicates only approximate dry-fill capacity. Some applications may vary based on cooler size and if equipped with an in-tank cooler. You should set the amount of transmission fluid and fluid level by the indication on the dipstick's normal operating range. 9 Fill to the proper capacity according to dipstick Type A. For correct dipstick type, See Automatic Transmission Fluid Check (page 238). 9 Fill to the proper capacity according to dipstick Type B. For correct dipstick type, See Automatic Transmission Fluid Check (page 238). 10 See the Warning below: WARNING The air conditioning refrigerant system contains refrigerant R-134a under high pressure. Opening the air conditioning refrigerant system can cause personal injury. Have the air conditioning refrigerant system serviced only by qualified personnel. 308 Super Duty (), enUSA