How to Troubleshoot & Replace Whirlpool AP6993915 / W11454734 Washer Gear Case

Initially I bought just the plastic hub bearing for the tub thinking it would solve the problem. Upon further inspection, I could see the input shaft on the trans was missing many teeth. Part came quickly and took a few hours to change out. I found a video from the company doing my exact repair on my exact washer. I took my time and my washer is like new again! 

Replaced gearbox, drive belt and hub assembly. 

The transmission was squealing so I decided to replace. At the same time I thought why not replace a bunch of parts to make the washer like new. AppliancePartsPro to the rescue with their videos and quick delivery of parts. The challenge was the transmission shaft was rusted to the tub and the agitator gear was rusted to the transmission shaft. I had to break out the agitator and use a puller to get that gear off the shaft. Then I had force out the transmission shaft out of the tub using penetrating oil and a hammer. After about 2 hours, I finally got everything apart. Reassembly with all the new parts was very easy and took only about a half hour. Had the transmission shaft not been rusted to the tub, it would have been a very easy project. 

Replaced all parts from agitator thru the clutches below and drum drive plate. back online. Running well Thank you for fast shipment 

Removed and replaced the gear box assembly with seals 

Replaced the gear box (aka transmission) and the splutch assembly (including belt). Followed a very helpful video on youtube, and repair went well. After replacing gear box, the splutch assembly was very noisy, so did that repair the following day. 

Used the online chat feature to diagnose the likely cause and identify part which was a gear case. Order arrived in two days even with standard shipping. AppliancePartsPros.com did not have a repair video but found some on the internet. Completed repair in about two hours; gear case replacement requires removing the inner tub, laying machine on its side and removing every drive system component. New part was a perfect match. Reassembled the machine, recalibration sequence (also found online) and machine is working great. 

Replaced the gearcase, clutch and belt. Removing the agitator was a challenge due to corrosion. It required brute force. The removal which is my least favorite kind. Everything else was straightforward. 

I needed a whole new gear case as the splines were eaten away and after trying to fix once with the metal more permanent piece it still ate it away. 

I replaced the gear case and drive hub.