How do you change a 1994 ford f150 wiper motor?

Answer 1

The wiper motor is mounted on the firewall (the wall that separates the engine compartment from the passenger compartment) at the top and slightly to the driver side of the vehicle. The motor itself is only secured to the firewall with three large screws however the sheet metal panel that covers the area directly behind the hood and in front of the windshield will need to be removed so that the drive arms can be detached from the motor. The first step in removing the panel is to remove the wiper arms themselves. One will notice at the base of the wiper arms where it attaches to the drive shaft there is a small metal tab on the upper side. If the arms are pulled away from the windshield as far as they can be pivoted the small metal tab can be easily pried away from the base of the arm, it should slide out about a centimeter at which time you can release the wiper and you will notice that the arms will no longer spring all of the way back to the windshield. At this time there is nothing keeping the arm from sliding off of the drive shaft and some careful wiggling will usually enable one to pull the arm off of the drive shaft. Once both arms have been removed there are several Philips head screws located along the front edge of the aforementioned panel that must be removed along with five located in holes along the top of the panel. There are two different types of screws so keep track of which ones were removed from where. The radio antenna is located in this panel and though it does not need to be completely removed sometimes it helps to unscrew the antenna mast itself and then pry off the base cover and remove the four screws retaining the base so that he panel can be more easily manipulated. One will also take care to notice that the hose supplying windshield wiper fluid to the spray nozzle attaches to the bottom of the panel directly behind the wiper motor and will need to be removed once the panel has been pulled up enough to allow easy access to the connection. Once all of the screws have been removed the panel, with the hood up, can be manipulated with some patience up and back so as to allow easy access to the compartment where the motor drive arms are located. There may be another small sheet metal panel located directly above the motor that can be easily removed at this point by removing the four Phillips head screws that retain it; there are two on top and two along the front edge. Now one should be able to reach into to the two large openings that were uncovered when the first panel was removed and feel where the two drive arms are attached to the motor arm. There is a small clip located at the end of the shaft that the drive arms attached to. By gently prying up on the outer most portion of this small sheet metal clip the clip can be slid slightly to one side and then off of the shaft allowing the drive arms to also be slid off of the shaft. Now that both panels are out of the way and the drive arms removed we can focus on the motor itself. First we need to disconnect the two electrical plugs from the motor. Both plugs have a plastic tab that must be gently pried up and then the plugs can be pulled away from their connections. Use caution when prying on the plastic retaining tabs as the plastic becomes brittle with time and any excessive movement of these tabs almost always results in their breaking however the electrical connections are usually quite secure even without these tabs if they should break. As mention before there are three screws that mount the motor to the firewall. A 10mm socket or wrench can be used to remove these screws. In some cases the lower right screw may have a 7/16 inch nut on the end of it that retains a ground wire that must be removed first. With everything disconnected and the three large retaining screws removed the motor can be lifted away. Assembly is the reverse of the disassembly procedure. This procedure should apply to all Ford F-series trucks and Broncos manufactured between 1987 and 1996 although motors without the intermittent wiper feature are slightly different.