How do you replace the windshield washer pump on the 1995 Volvo 940?

To replace the windshield washer pump on a 1995 Volvo 940, first, disconnect the negative battery cable for safety. Remove the plastic cover in the engine bay that houses the washer fluid reservoir, then detach the pump from the reservoir by twisting it counterclockwise. Replace it with the new pump, ensuring it's properly seated, and reconnect the hoses and electrical connector before reassembling everything and testing the new pump.