Take it apart. Look for worn out brushes or a field magnet that has become unglued and is stuck to the rotor. If it is the magnet make sure you don't turn it arround. Or go to your local U-Pick and get another motor.
about 200 quid
Remove the windshield wiper arm from the windshield wiper motor. Remove the wiring harness. Remove the retaining nut. Reverse the process to install the new windshield wiper motor.
More than likely the problem is the transmission that needs to be replaced
More information please. Which part of the system. The wipers? The wiper arms? The linkage conecting the wiper arms to the motor? The motor? The windshield washers? Windshield washer pump? Etc? Please be more specific.
To fix windshield wipers on a Volvo 940 try using new wiper fluid and cleaning the windshield and wiper blades before you replace the blades. It is also important to replace wiper blades regularly.
The windshield wiper motor is located just below the windshield wiper blades and is covered by a black panel.
Remove wiper arms and bladers. Next remove rubber sealing grommets from the wiper spindles. Reomove screws from scuttle panel, then remove scuttle panel, you will now have access to the wiper motor.
One could purchase a windshield wiper motor at a retailer such as AdvanceAutoParts. Alternatively, one could also purchase a windshield wiper motor online on Amazon or AutoZone.
replace the pulse board on wiper motor which is a black cover
The windshield wiper motor may have a short in it. The windshield wiper motor may not be grounded properly. Make sure the ground wire is tight and free of corrosion.
# Remove the windshield wiper arms # Remove the cowl cover # Disconnect the electrical connector from the wiper motor # Detach the wiper motor/linkage assembly from the cowl # Remove the wiper motor retaining bolts and remove the motor
* Remove the windshield wiper arms * Remove the cowl cover * Disconnect the electrical connectorr from the wiper motor * Detach the wiper motor/linkage assembly from the cowl * Remove the wiper motor retaining bolts and remove the motor