REPLACE WINDSHIELD WIPER ARM ON 1985 BMW 318I

You must remove the wiper arm to make sure the serrations on both the arm and where it mounts to are not damaged. Turn on the wipers and see if the nub that the wiper arm mounts to is moving.

If it isn't, there is a mechanism called the Wiper Transmission. It is located in the cowl at the bottom of the windshield. The device has a number of arms. The arm that connects the right side to the transmission is off. This is usually the fault of a small round plastic piece at the end of the arm. Simply putting it back on is nit recommended because it will probably fall off again. This plastic piece is attainable at most good auto parts places.

could be a problem in the wiper motor it may have a short

please check the wiper linkages.try to move the wiper arm if moving repair the wiper linkages or replace it

THE WIPER MOTOR CONTROLS THE WIPERS VIA A LINKAGE LOCATED BELOW THE WINDSHIELD UNDER THE HOOD YOU MAY NEED TO REMOVE A THE PLASTIC COVER TO ACESS THE ASSEMBLY , ONE OF THE LINKAGE ARMS HAS FALLEN OFF POSSIBLY DUE TO A WORN BUSHING ON THE END OF THE ARM ,JUST REPLACE THE BUSHING AND REATTACH IT

Most brands of trucks,that's the case,because of the wiper linkage. Extra work for one nut,on the wiper motor arm

Removal & Installation To Remove:

1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
2. Disconnect the battery ground cable.
3. Remove the wiper arms.
4. Remove the 8 plastic retainers and the 6 clips holding the cowl vent screens to the inner panels. Turn the retainers 1⁄4 turn counterclockwise to remove.
5. Remove the cowl vent screens.
6. Disconnect the electrical connector from the wiper motor and remove the 4 bolts that mount the module assembly to the cowl.
7. Remove the windshield wiper module from the vehicle.
8. Rotate the wiper operating arm in a clockwise direction to gain access to the bolt retaining the arm to the motor. WARNING
   Always rotate the wiper operating arm in a clockwise motion or damage to the motor could occur.
   
9. Remove the nut retaining the wiper operating arm to the wiper motor.
10. Remove the three wiper motor-to-wiper module assembly retaining bolts and remove the motor from the vehicle.

To Install:

1. Position the wiper motor on to the module assembly. Install the three wiper motor-to-wiper module assembly retaining bolts. Tighten the bolts to 115-151 in lbs (13-17 Nm).
2. Position the wiper operating arm on the wiper motor output shaft. Install the mounting nut and tighten to 22-29 ft-lbs (30-40 Nm).
3. Position the windshield wiper module onto the cowl. Install the mounting bolts and tighten to 106 in-lbs (12 Nm).
4. Connect the wiper motor electrical connector.
5. Position the cowl vent screens onto the inner panels. Install the 8 plastic retainers and the 6 clips holding the cowl vent screens to the inner panels. Turn the retainers 1⁄4 turn counterclockwise to install.
6. Install the wiper arms.
7. Connect the battery ground cable.
8. Adjust wiper arms if necessary.

Here is the picture of the motor....it is the round object in the middle of the picture that looks like a can and has a square block on the end of it.

You have to remove the cowl vent panel....just under the windshield. $64.00 for a new motor.

Remove arm(s), put wiper motor in park,(shut off) then re-install arm at base of windshield where they were before,when shut off.(in park position.)

Normally, all you need to do, is lift the arm and slide a small locking tab into place. Then, just lift the arm off. If it doesn't work like this, it has a screw in the center.

If the pump is working then the nozzles are probably clogged. Either remove and soak in a calcium rust remover or replace.
Also you might want to chace the hose from the tank and make
sure it's not clogged or kinked.

I believe the blade is the same as my F-250, according to the manual. Pull the wiper away from the windshield, then push on either end of the blade, follow blade to pivot point at center, where blade pivots back and forth on wiper arm (wiper arm will not be moving as you do this). You need to push towards the windshield at this pivot point to push in on the wiper arm and out on the blade assembly to pop the round end of the wiper arm out of the hole in the blade assembly. Look at the new blade to see where this attaches. The new one should snap on to the arm when u squeeze the wiper arm to the blade. I prefer Exact Fit brand, as they seem to fit well. If u purchase at autozone, or advanced auto parts, they will install them for free.