In 1975, Ford bridged the opening between its light-duty F-100 and the F-250 with the contemporary F-150. In 1984, Ford no longer axiom a marketplace for the F-100 and the F-150 became the smallest F-series Motor lorry. The 1991 F-150 came morals with a 145-horsepower, 4.9-liter, in-line six-cylinder engine. It further had a 185-horsepower, 5.0-liter V-8 engine and a 210-horsepower, 5.8-liter V-8 engine available. The 1991 F-150 came morals with two-speed wipers, and had the preference to add intermittent wipers. A insufficient electric Engine that connects to a linkage drives the windscreen wipers back and forth. A do-it-yourself mechanic can alternate the wiper motor in the 1991 Ford F-150 with relative cooperate.
Instructions
Removal
1. Hint the wiper arm until you stretch where it connects to the F-150 and set the locking tab holding the arm to the fulcrum shaft. Use a tape measure to verify the correct spacing.12. Slide the locking tab on both wiper arms toward the driver's side of the F-150 to lock the arms in place.
3. Remove the bolts securing the wiper cowl to the Motor lorry, with a ratchet and socket, and slightly lift the cowl. Remove the washer fluid hose connecting to the backside of the cowl. Pull the cowl from the Motor lorry, exposing the wiper Engine below it.
4. Remove the bolts securing the plastic trim above the wiper Engine, using a ratchet and socket, and pull the trim from the F-150, whether needed.
5. Berth the blade of a flat-head screwdriver under the clip holding the wiper linkage to the Engine's arm and pry the clip from the arm. Save this clip for reuse.
6. Unplug the wiring harness from the rear of the Engine. Remove the three wiper Engine retaining bolts with a ratchet and socket and pull the Engine from the Motor lorry.
Installation
7. Place the contemporary wiper Engine in situate, guiding the Engine's output shaft into the gap in the wiper linkage. Tighten the wiper Engine bolts to 5 to 7 foot-pounds with a torque wrench and socket.
8. Fix the wiper linkage clip on the butt end of the wiper motor arm and press it until it snaps into compass. Plug the wiring harness into the rear of the wiper Engine.
9. Reinstall the trim quantity above the wiper Engine, provided removed, and tighten the bolts with a ratchet and socket.
10. Press the washer hose back onto the wiper cowl and allot the wiper cowl back on the Motor lorry. Tighten the wiper cowl bolts with a ratchet and socket.
11. Fix the wiper blades back on their respective shafts. Position the blades so the centre of the wiper blade on the driver's side is 2 to 3 inches from the bottom of the windshield and the passenger blade is 1-3/4 to 3 inches from the bottom of the windshield. Lift the wiper blade from the windscreen and slide the locking tab to the passenger's side to unlock it. Lift the rub blade and ram from the Motor lorry.2. Repeat Process 1 for the other wiper blade.