2010 Ford Explorer Owner Guide 2nd Printing (Spanish) - Page 840

Maintenance and Specifications 3. Add only enough fluid through the filler opening so that the fluid level is at the bottom of the opening. Use only fluid that meets Ford specifications. Refer to the Maintenance product specifications and capacities section in this chapter. DRIVELINE UNIVERSAL JOINT, DRIVESHAFT AND SLIP YOKE WARNING: Turn off the power running boards, if equipped, before working under the vehicle, jacking or placing any object under the vehicle. Never place your hand between the extended running board and the vehicle. A moving running board may cause injury. If the original universal joints are replaced with universal joints equipped with grease fittings, periodic lubrication will be necessary. Note: Your vehicle's driveshaft is balanced. If undercoating the vehicle, protect the driveshaft, universal joints, and axle and transmission flanges to prevent overspray of any undercoating material. If your vehicle has four-wheel drive, your vehicle has two driveshafts, one connected to the rear axle and one connected to the front axle. AIR FILTER Refer to scheduled maintenance information for the appropriate intervals for changing the air filter element. When changing the air filter element, use only the air filter element listed. Refer to Motorcraft௡ part numbers in this chapter. WARNING: To reduce the risk of vehicle damage and/or personal burn injuries do not start your engine with the air cleaner removed and do not remove it while the engine is running. 384 2010 Explorer (exp) Owners Guide, 2nd Printing USA (fus)