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Customer Questions and Answers for Washer Transmission Shaft Seal by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18040920
Manufacturer Part Number: WP91939

Prevents water from leaking into the transmission on direct-drive washers. Replace if you see water pooling under the machine or oil rings inside the cabinet.

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Questions & Answers

For Whirlpool Washer Transmission Shaft Seal (Part Number: OEM18040920)

1 Answer

Bob, the transmission gearcase 3360629 would need to be replaced to correct the oil leaking due to the transmission being a riveted transmission.

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Doc A for Model Number LT5000XSW2

Gear oil is leaking from the top of the gear case where the agitator shaft enters the case. I am replacing the clutch assembly and the motor coupler, which I figured would cure the problem of the washer draining and filling but not spinning. Turns out those parts actually look OK, and I wondered if the leaking seal -- if the oil got too low -- would prevent tub from spinning. So I need to know if this part -- AP3132857 -- is the right seal and if replacing it and replacing the oil would cure the problem, along with replacing the clutch assembly and motor coupler, even though they look OK now. Thanks much.

1 Answer

Doc, The seal for the gearcase uppoer shaft seal where the shaft goes into the gearcase would be part number WP3349985. It is possible that if the gearcase gets low on oil then it would cause the unit to not engage for the spin but would be more likely a clutch issue.

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1 Answer

Mike, Your washing machine doesn't have an accessible transmission shaft seal. In your case, you'll need to replace the WH38X10017 shaft and mode shifter assembly. The assembly is a one piece sealed unit and needs to be replaced as a unit.

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1 Answer

Hello Mike. You need to check the outer tub and remove the shift module to see where it is leaking from.

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1 Answer

Hello Bob, The basketdrive assembly will have to be dis-assembled to replace this part. Since this involves replacing the other parts in the basketdrive and getting it back together properly is imperative to normal operation, I would recommend to replace the basketdrive as an assembly W10820043. If you decide to go ahead with this repair, you should take plenty of pictures with your cell phone during the dis-assembly process to refer back to during the re-assembly.

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Janet for Model Number 110.23032101

Washer won't spin..on the last load I was able to do (towels), it went through entire cycle, and the water was drained, but the towels were sopping wet. I tried to run just the spin cycle, the motor was running, but when I lifted the lid, the motor stopped and I could tell that it hadn't been spinning. I've checked the motor coupler, and the drive block - they're fine. The clutch has oil in it, and there's a ring of oil around the inside of the cabinet about 6 inches from the floor. Can I replace the seal on top of the transmission with this part? Or do I need to replace the entire transmission?

1 Answer

Hello Bobby. You will need to check and see if it is leaking from the shaft seal WP91939 or the tub seal. If the shaft seal is the problem, you will need to replace both of them WP356427 and WP91939. Hope this helps.

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