1996 Ford F250 Owner's Manual - Page 331

Wiper Blades Check the windshield wiper blades at least twice a year. Also check them whenever they seem less effective than usual. Such substances as tree sap and some hot wax treatments used by commercial car washes reduce the effectiveness of wiper blades. If the blades do not wipe properly, clean both the windshield and the wiper blades. Use undiluted windshield washer solution or a mild detergent. Rinse thoroughly with clear water. Do not use fuel, kerosene, paint thinner, or other solvents to clean your wiper blades. These will damage your blades. To make reaching the wiper blades easy, simply turn the ignition switch to ACC and turn your wipers on. Wait for them to reach a vertical position and turn the ignition to OFF. Do not move the wipers manually. Moving the wipers manually may damage them. Wiper blade replacement If the wiper blades still do not work properly after you clean them, you may need to replace the wiper blade assembly or the blade element. When replacing the wiper blade assembly, blade refill, or wiper arm always use a Motorcraft part or equivalent. To replace the blades, follow the instructions that come with them. Tires Look at your tires each time you fill your fuel tank. If one tire looks lower than the others, check the pressure in all of them. Always follow these precautions: u Keep your tires inflated to the pressures that are recommended. (See Checking the pressure of the tires later in this chapter.) 332