2006 Lincoln Navigator Owner Guide 2nd Printing - Page 378

Maintenance and Specifications Fluid Front axle lubricant Rear axle lubricant4 Windshield washer fluid Ford Part Application Capacity Name Motorcraft SAE 4 x 4 vehicles 3.5-3.7 pints 80W-90 (1.8-2.0L) Premium Rear Axle Lubricant Motorcraft SAE Conventional 4.5 pints (2.13L) 75W-140 differential Synthetic Rear (9.75 inch axle) Axle Lubricant Motorcraft All 4.5 quarts Premium (4.1L) Windshield Washer Concentrate Ensure the correct automatic transmission fluid is used. Check the container to verify the fluid being added is of the correct type. Refer to your scheduled maintenance information to determine the correct service interval. MERCON௡, MERCON௡ V and MERCON௡ SP are not interchangeable. DO NOT mix MERCON௡ MERCON௡ V and MERCON௡ SP. Use of dual usage fluids in an automatic transmission application requiring MERCON௡ SP may cause transmission damage. Use of any fluid other than the recommended fluid may cause transmission damage. 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. 3 Add the coolant type originally equipped in your vehicle. 4 Your vehicle's rear axle is filled with a synthetic rear axle lubricant and is considered lubricated for life. These lubricants are not to be checked or changed unless a leak is suspected, service is required or the axle has been submerged in water. The axle lubricant should be changed any time the axle has been submerged in water. 5 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. 378 2 1 2006 Navigator (nav) Owners Guide (post-2002-fmt) USA (fus)