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Thread: Leaking at the motor/housing

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    Leaking at the motor/housing

    So after 2 years of trouble free running, my Hayward superpump developed a slow leak and I figured it was the housing gasket or the ceramic seal. After some internet research and talking to Leslies, I figured it was the seal so I replaced it myself following an instructional video. Still leaking.

    So I take the motor to Leslies and they replace the seal, I bring it home, still leaking.

    I return to Leslies, show them the gaskets. They say they look ok but we replace the O ring impeller gasket and housing gasket. These are aftermarket gaskets and the housing gasket looks different from the OEM gasket. I try them anyway, still leaks.

    Next I order a Hayward OEM housing gasket. Still leaks. I cannot find a crack in the housing and it only leaks when running. What is going on. Leslies has waved the white flag and are stumped as am I. Experts?
    8000 gallon outdoor inground vinyl. Sand filter, Hayward 1HP.

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    Mod Squad zea3's Avatar
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    Re: Leaking at the motor/housing

    Could you post a picture of the leak?
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    Re: Leaking at the motor/housing

    I Can but it's been raining here for 2 days and probably tomorrow AM as well so I need to wait for it to dry up out there. I will tell you, that from what I've read, it is consistant with either a ceramic seal leak or a housing gasket leak. It is just wet stain about 8" in diameter centered where the motor mounts to the housing.
    8000 gallon outdoor inground vinyl. Sand filter, Hayward 1HP.

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    Re: Leaking at the motor/housing

    inspect the seal plate for cracks, and the impeller shaft if it's the old plastic type

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    Re: Leaking at the motor/housing

    The impeller shaft is not plastic and is fine. Can you help me out with the seal plate? I'm assuming it's somewhere near the ceramic seal but is it underneath the seal or where the seal is mounted?
    8000 gallon outdoor inground vinyl. Sand filter, Hayward 1HP.

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    Re: Leaking at the motor/housing

    yes where it is mounted, pull it off and check the back for cracks

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    Re: Leaking at the motor/housing

    Ok, I will check that out. Thank you. Is that common?
    8000 gallon outdoor inground vinyl. Sand filter, Hayward 1HP.

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    Re: Leaking at the motor/housing

    So here is a pictire of the leak. It appears to be coming from where the motor mounts, which made me think it was the housing gasket.

    8000 gallon outdoor inground vinyl. Sand filter, Hayward 1HP.

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    Re: Leaking at the motor/housing

    So the seal plate looks fine and I still have the leak. I am completely confused and frustrated. Anyone have any thoughts on what could be causing this leak?
    8000 gallon outdoor inground vinyl. Sand filter, Hayward 1HP.

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    Re: Leaking at the motor/housing

    When Leslie's changed the gaskets, did they use a Super Pro Go-Kit?

    I suspect the impeller shaft is cracked. Remove the impeller and take off the seal. Blow air on it to dry it out and look for a hairline crack its the shaft.

    Remove the other seal from the seal plate. Again, check for hair line cracks.

    Use a bright light and magnifying glass.

    Scott
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    Re: Leaking at the motor/housing

    Could it be leaking from the top pipe fitting? In the picture you posted there seems to be a line of where water is dripping down, it's just aft of Hayward Manufacturing tag.
    17K Kidney Shaped Pool Concrete (Diamond Bright) Pool, 3/4 hp 2 speed 115V Sta-rite Duraglas PEA5D-180L/P2R5D-181L (Impeller C105-92PS Diffuser C1-216P), 1.5 piping, Pentair CC100 Filter , Heat Siphon 100K BTU Heat Pump Pool Heater, Flow meter Blue White Flowmeter Model No. F-30150P, Hayward Astrolight SP0581N, SWCG CalimarTitanium Edition TE45 , Dolphin Nautilus Plus with CleverClean, Lakeland Florida

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    Re: Leaking at the motor/housing

    Quote Originally Posted by bobodaclown
    Could it be leaking from the top pipe fitting? In the picture you posted there seems to be a line of where water is dripping down, it's just aft of Hayward Manufacturing tag.
    No, it's definitely coming from underneath somewhere.
    8000 gallon outdoor inground vinyl. Sand filter, Hayward 1HP.

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    Re: Leaking at the motor/housing

    Quote Originally Posted by PoolGuyNJ
    When Leslie's changed the gaskets, did they use a Super Pro Go-Kit?

    I suspect the impeller shaft is cracked. Remove the impeller and take off the seal. Blow air on it to dry it out and look for a hairline crack its the shaft.

    Remove the other seal from the seal plate. Again, check for hair line cracks.

    Use a bright light and magnifying glass.

    Scott
    The only Leslies gasket I used was the O-ring gasket from a kit of 3. I ordered a housing gasket from Hayward after the the Leslies housing gasket did stop the leak.

    If there is a crack do I need to just buy a new motor? Is this common?

    I'm confused as to why, after changing the seal both times, it ran for a day or so without leaking then started dripping again.
    8000 gallon outdoor inground vinyl. Sand filter, Hayward 1HP.

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    Mod Squad Bama Rambler's Avatar
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    Re: Leaking at the motor/housing

    Sometimes a crack in the seal plate is very hard to see when it's not under pressure. Check it again closely.
    Dave J. TFP Moderator
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    Re: Leaking at the motor/housing

    Quote Originally Posted by Bama Rambler
    Sometimes a crack in the seal plate is very hard to see when it's not under pressure. Check it again closely.
    Ok, I will. Are seal plate cracks common? Will I need a new motor if it is cracked? Thank you all for your advice.
    8000 gallon outdoor inground vinyl. Sand filter, Hayward 1HP.

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    Mod Squad Bama Rambler's Avatar
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    Re: Leaking at the motor/housing

    They're not all that common but it does happen. If it is cracked all you'll need is a new seal plate.
    Dave J. TFP Moderator
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    Re: Leaking at the motor/housing

    Quote Originally Posted by Bama Rambler
    They're not all that common but it does happen. If it is cracked all you'll need is a new seal plate.
    Ok, so I removed the seal plate and the back of it is soaked. It would seem to me that if there is water behind the seal plate when removed that either the seal is bad or there is a crack in the plate somewhere. Is that a correct conclusion?

    I am am fairly confident that the seal is good since I replaced at twice in the past month so am I looking at a cracked plate even if I cannot find one?
    8000 gallon outdoor inground vinyl. Sand filter, Hayward 1HP.

  18. Back To Top    #18
    Mod Squad Bama Rambler's Avatar
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    Re: Leaking at the motor/housing

    The cracks can be very hard to see. They can be behind a boss or rib. I'd take it to a motor shop or pool place and let them look at it.
    Dave J. TFP Moderator
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    Re: Leaking at the motor/housing

    Quote Originally Posted by Bama Rambler
    The cracks can be very hard to see. They can be behind a boss or rib. I'd take it to a motor shop or pool place and let them look at it.
    I'm taking it to Leslies tomorrow. I can't find a crack anywhere but there was a bunch of water behind the seal plate so it's getting in somehow. I guess I can just buy new seal plate and see if it stops the problem.
    8000 gallon outdoor inground vinyl. Sand filter, Hayward 1HP.

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    Mod Squad Bama Rambler's Avatar
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    Re: Leaking at the motor/housing

    I wouldn't just buy one until several people have looked at it and inspected the seal area and o-rings/gaskets and sealing surfaces well.
    Dave J. TFP Moderator
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