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#20410
Don
Participant

    US Member

    Why is it that you replaced the impeller on your Lightwin? Was it overheating, or were you performing routine maintenance. I’m hoping everyone is correct, something simple like misaligned water tube/grommet, or perhaps the impeller key/pin fell out during installation.
    Keep in mind that if you "missed" with the water tube alignment, it is probably bent now, leaving it up too high in the housing to seat in the impeller grommet properly. The water tube may be rubbing on the driveshaft now, you will want to realign/bend the tube so the driveshaft doesn’t rub through the water tube.