Pump Replacement Procedure

With the water out of the washer you can procede to lay the washer down on the front of the cabinet. If you have a dolley you can lift the washer up from the front of the cabinet and lay it front side down in a convenient place to work from the bottom of the washer. If you don't have a dolley, lay a rug that won't be damaged by a little water in front of the washer and then pull the washer over and lay it down with the front of the cabinet on the rug.
Remove the two 5/16 inch sheet metal screws that secure the rear access panel and set the panel aside.
Place an old rag or some paper towels on the cabinet under the transmission gearcase. Most gearcases will start to drip transmission grease when placed on their side. This is not a serious problem but you wouldn't want to leave the washer in this position overnight. The rag or paper towels will catch the grease so that when you tip the washer up again, the grease will not run down on the floor.
Expand the hose clamps on the pump inlet and outlet hoses, using a Claburn pliers for single wire clamps and a regular pliers for double wire clamps. Slide the clamps down the hoses a couple of inches and pull the hoses off the pump.
Remove the two bolts holding the pump using a 1/2" socket wrench.
Slide the pump out and buy another one just like it at your nearest appliance parts store. There are several kinds of pumps. The most common pump has two ports (inlet and outlet). One three-port pump has a side outlet for water circulation through a manual lint filter. Another three-port pump has a bottom outlet to circulate water through a top-mounted detergent and bleach dispenser.
Align the top hole in the pump frame with the threaded hole in the transmission gearcase. Start the threads with the bolt in your fingers. DO NOT shove the bolt into the gearcase threaded hole and start cranking with the socket wrench! You can easily strip the threads in the gearcase. After finger starting the top bolt you can run it in a couple of turns with the socket wrench but don't tighten it yet. Grab the water pump and twist it until the bottom bolt hole aligns with the threaded hole in the gearcase. Again, try to start the bolt threads by hand if you can otherwise put the bolt in the socket and extension (without the wrench handle) and try to get it started. Now tighten both bolts.
Put the hoses back on the pump ports and slide the clamps back down to the ends of the hoses using a pliers.
Pick up the transmission grease catching rag and right the washer.
Reconnect the hoses and power cord and test the machine for proper operation.

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