Question about Hayward 1.5 Hp Northstar High Performance Pump

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Can't get motor and impeller assembly off pump

After I spin off the outer housing of the motor/pump assembly I can see nothing holding the empeller housing in place on the pump housing, but I can't ge it to release. I don't see any screw,bolt or anything holding it in place. Any suggestions??


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The impeller unthreads counter clockwise off the shaft of the motor. on the back of the motor under a plug or the plastic cap there is the shaft of the motor with a slot for a standard screwdriver. put the biggest screwdriver you can find in there and turn on the impeller as hard as you can. After some years the impeller can get rusted onto the threads of the shaft and you will need to break it to get it off. (sometimes they just don't come off)

Posted on Feb 26, 2009


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Posted on Jan 02, 2017


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Super 11 pump clogged impeller how to fix

Remove the 6 bolts holding the motor mounting plate to the pump housing. Back the motor assembly out. Remove the diffuser and you'll see the impeller. Using picks and wire run through all of the impellers vanes to clear out the debris.

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I cleaned the trap but the empeller sounds as is it hitting sometheing but I was not able to feel anyhing around the empeller. pump motor seems to be running hot and smells as if it burning

Replace your drain pump. It does not take much to damage these small drain pumps. If anything was lodged in the pump reservoir for any significant period of time it could have damaged the impeller blades, impeller shaft, or pump motor. So, if the impeller or motor become damaged, and the pump does not pull water at the correct volume, you may experience drain error codes if the drain cycle exceeds 8 minutes. If this occurs, you will have to replace the pump in order to get any errors to clear, or the washer will not complete any cycles. The following link explains how to replace the pump:

A replacement can be purchased at any of the following websites:

Prices vary between sites, so shop and compare. The first three sites listed also have helpful exploded view parts illustrations to assist you with locating and properly identifying the parts you may need. If the model number is correct, the part number is 280187. The pump comes as a complete assembly and parts cannot be purchased separately.

NOTE: For a full explanation of all the error codes, each one of these appliances come with a technical data sheet inside.

To access, you will need to remove the lower toe panel under the door. The access screws are located under the bottom front edge of the panel. You may have to prop the two front fett of the washer up for better access ( a 2x4 works well for this). With the screws removed, the panel should drop down, then come off. If the tech sheet isn't directly behind the panel, it will be affixed to one of the interior cabinet walls.

The tech sheet lists all error code definitions, troubleshooting data, diagnostics procedures and wiring diagrams. I mention the tech sheet because you may need it to troubleshoot this error code.

Read through the information provided, and if you require additional assistance, please post back and let me know.. I hope you find this information helpful.

Oct 08, 2010 | Whirlpool Duet GHW9150P Front Load Washer

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Replacing motor only how do I unassemble motor from empeller

In order to remove the motor, first turn the motor locking ring. This holds the too halves of the pump together. There should be a small tab you have to press in, then grab the round handle, and spin the outer sleeve to unlock. Once you do this the back half of the can be pulled away. This can be very hard sometimes. If the pump and motor still work, you can flip the switch on for a sec or two, and it will pop the back half away from the front half. If the motor is not working then you'll just have to twist, wiggle and pull till you get it apart. After this make sure the power is off, breaker off, etc. and you can remove two screw from the plastic cover on the tail of the motor and disconnect the wires, and remove that half the pump. Next step is to just pull off the diffuser, which may actually have stuck inside the front half the pump. Next remove the impeller, by unscrewing while locking the shaft from the rear with a wrench. if there is a screw in the center of the impeller threaded into motor shaft remove that first. This should be a left handed thread, so unscrew by turning clockwise. The impeller should unscrew counter clockwise like normal. Next remove the seal plate. That should expose 4 bolts holding the motor to the motor mounting plate. Once you remove this you can remove the old seal, clean, and install new seal. you should replace the diffuser and seal plate o-ring as well. Normally I don't recommend a lot of lube on o-rings, but this one can be a bugger to get back together, so use plenty of lube. As I said getting the back half inserted back into the front half is a pain, so you'll just have to work it. Make sure the motor locking ring is forward of the mounting brace that sits on the ground. This can be hard, but if you get it at the right angle it will go raight in place. Make sure the diffeser and/or diffuser o-ring does not slip off into the pump housing when your trying to get it lined up and back into place. There is a notch in the housing and seal plate that have to line up. Sometimes a clamp or ratcheting strap can be used to help pop the two halves back together.
Now all that being said.... it might be worth it to just take the whole pump in to a pump repair shop and let them rebuild it, or put a new motor and seals for ya. At least check the price and consider it. This pump has unions to install it so there is no pipe work required to remove the whole darn thing. Good Luck, and let me know if you have more questions.

Sep 21, 2010 | Hayward 1.5 Hp Northstar High Performance...

1 Answer


The impeller unscrews counter clockwise. I assume you already have the motor disconnected from the pump housing? If you need to hold the motor, it will depend on what kind of motor you have. Some motors have a wrench flat on the rear shaft of the motor if you remove the rear cover. It usually takes a 1/2" open end wrench. Be careful not to bump into the centrufugal switch assembly. Another trick is to use an impact wrench IN REVERSE ONLY it will often break it loose even though the motor spins. Only use it to remove it not to re-install impeller.

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1 Answer

Washer wil not drain, filter is clean, house drainage is fine

You still have something obstructing the water flow. On these GE's the drain pump is fairly audible pumping water or not if the pump motor is turning. If you here just a low hum, then there is some object jammed in the pump preventing the pump impeller from spinning, or the pump motor is bad. to check, you will have to remove the lower panel in the front, remove the hoses from the pump assembly, disconnect the wires to the pump, removes the 2 screws holding the pump to the base, remove the pump assembly from the washer, remove the 3 screws from the pump motor and separate the motor from the housing.

You will most likely find something was in there. If not, then there is something else further up in the bellows hose running down from the outer wash tub to the pump.

If you do find an obstruction in the pump and clear it, when you reassemble the pump, take care to position the pump motor

These pump motors are tough, and not prone to failure all that often. The usual cause of pump out failure is an obstruction.

If all else fails, the part number for the pump is WH23X10028.

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1 Answer

How do you take the empeller off the shaft to put it on the new m

Take the back of the motor off, just a cover, you should find a flat spot on the shaft to fit a wrench, hold the shaft and spin off the Impeller.

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Bearing have gone bad in the electric motor. You will have to replace the electric motor. They are expensive but still cheaper than buying a whole new heater.

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First you'll need to take the outer 6 bolts off the pump housing and that will allow you to remove the impeller and impeller housing with the motor. Then you can remove all the impeller parts and get to the bolts that hold your motor to the housing....
When you get the impeller and the housing free, check to see if your motor will turn... alot of times the motors get jammed because the pump sucks debris and jams in the impeller.... you may be able to still use your motor...worth a try...

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