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 Kohler Whirlpool Tub Motor wont pump/stuck
Author: bobalou (NJ)

Working on a Kohler whirlpool tub that the pump motor just hums and doesnt pump... It was installed in 2003 and rarely used.
I can barely access the pump after removing the side panel,
It seems I would need to start cutting pvc pipe in order have enough room to remove or work on the tub.

I tried leaving water in the tub for 48 hours with a hope that the pump would loosen up, I tried tapping the pump & motor and also tried to get pliers on the motor shaft to give it a turn, but a sleeve is installed over the motor shaft preventing access to the shaft.

Any ideas before I start cutting PVC jet lines to access the motor/pump?
Thanks in advance
Bob

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 Re: Kohler Whirlpool Tub Motor wont pump/stuck
Author: hj (AZ)

It must be a do-it-yourself whirlpool if the pump does not have unions on both connections. Even if you get to the impeller, the bearings are probably frozen so you may need a new pump anyway.

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 Re: Kohler Whirlpool Tub Motor wont pump/stuck
Author: LemonPlumber (FL)

Can you post the product number?like many pumps you may be able to rotate the shaft from the back cover of the motor.You did try to use a closet plunger on the inlet inside the tub?Some times you may be able to move the stuck impeller with vacuum.1 800 4 kohler care.



Edited 1 times.

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 Re: Kohler Whirlpool Tub Motor wont pump/stuck
Author: rjones0281 (MO)

the hard way is to pull the pump and free up the impeller and run it for a short time. then reinstall.
could be the bearings. a few spins on the impeller and you should be good to go.
ive freed up many pumps this way.
the easy button doesent exist on this one.

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 Re: Kohler Whirlpool Tub Motor wont pump/stuck
Author: Shoemaker2 (MA)

I have had the luck of being able to put a flat screwdriver in the slot on the end of motor shaft and spun it to free up. Maybe with a little lube.

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 Re: Kohler Whirlpool Tub Motor wont pump/stuck
Author: LemonPlumber (FL)

Just watch the first time you use it.stuck seals can lead to leaking seals.

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 Re: Kohler Whirlpool Tub Motor wont pump/stuck
Author: spock-mckoy (PA)

Hi, I recently went to work on a Kohler and the easiest access would have been cutting through the bedroom drywall to get to the pump. The people didn't want their bathroom tile disturbed, nor the bedroom. So, they don't have a working whirlpool now. From what I saw anyway, the tubing was glued to pump, no threaded fittings. They bought the unit from Lowes/HD a few years earlier. Unfortunately, many remodel jobs like fancy tile around the tubs to enclose them with no thought to maintenance. It's not IF it is going to fail, it is WHEN it is going to fail. They showed me the Kohler manual, and it had pics of various installs that had an access door on the OUTSIDE of the house to access the motor. Not very practical on a northern brick house that deals with nasty winters.

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 Re: Kohler Whirlpool Tub Motor wont pump/stuck
Author: LemonPlumber (FL)

There is always away.some customers no not know how discrete a plumber can be.see stamped face grill.You have a vent in the closet it must protect the expensive clothes you have in there.Great spot for a return vent.Cut out four tiles joint's on the face with a carbide saw's all blade and find color match grout .You are a genius.

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 Re: Kohler Whirlpool Tub Motor wont pump/stuck
Author: bobalou (NJ)

Good news
Summary
I filled the tub full and let it sit and tried it everyday for a week with no luck
I was able to remove the union on the pump a got a long screwdriver in and was able to move the impeller a little. Turned it for a second dry and it spun a little and stopped. I re-attached the union and filled the tub with very hot water. Tried turning it on and all i got was a hmmm
I then took a 6' 1/2" plastic hose a slid it in the pump return and fed it all the way to the pump and poured 16oz of CLR (while the tub was still filled)I let the tub sit for 30 minutes and this time it started fine...I ran it for 30minutes. drained and refilled and flushed it for 15minutes..Working fine

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 Re: Kohler Whirlpool Tub Motor wont pump/stuck
Author: rjones0281 (MO)

thats good news.

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