Impeller question
#1
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Location: Stroudsburg, PA & Lighthouse Point, FL
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Impeller question
Okay, I ran the boat with out water for about 30 sec. and am told now i should replace the impelklers. i was at a mercury dealer today and there were a couple different ones. I have 2000 502 mpi's....how can I tell which I need without taking it apart first? Thanks alot
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30 seconds is nothing.. Get the boat in the water and keep up on the tempature gauge. If it climbs then change them. Don't fix it unless its broke... whomever gave you there opinion is just being cautious. There not the one climbing in the bilge to change them out.. Run it first then determine if you are having a problem cooling...
Good luck.. Let us know how you made out!!
Good luck.. Let us know how you made out!!
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Yeah , Ive ran my past boats w/o water for a little bit and never had a problem but alot of guys went crazy saying they would be burnt uop in seconds??? I guess I can even run it with the muffs and check out the temo guage right? Thanks alot.
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You might now a true reading off the hose.. You are not getting the volume that you would in the water. It might work... Try it and tell us what it says when you run it!
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Okay, I ran the boat with out water for about 30 sec. and am told now i should replace the impelklers. i was at a mercury dealer today and there were a couple different ones. I have 2000 502 mpi's....how can I tell which I need without taking it apart first? Thanks alot
Last edited by Boat Tech; 03-28-2009 at 01:19 AM.
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Climbing in the bilge to at least take it apart and check it, and at
that point you are far enough along that you might as well replace it,
can be a ****pot less work than what happens if you've screwed up
the impeller. Which you might not find out until you're halfway down
the lake. Or weeks later when you still can't get it to run cool because
some piece is lodged in the oil cooler and won't come out with a
back flush. Or lodged in god knows which rubber hose.
I sound like an alarmist but it is so much easier to just pull the damn
thing now in your driveway.
Pesky Varmint
that point you are far enough along that you might as well replace it,
can be a ****pot less work than what happens if you've screwed up
the impeller. Which you might not find out until you're halfway down
the lake. Or weeks later when you still can't get it to run cool because
some piece is lodged in the oil cooler and won't come out with a
back flush. Or lodged in god knows which rubber hose.
I sound like an alarmist but it is so much easier to just pull the damn
thing now in your driveway.
Pesky Varmint
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I just did mine and both of them where broke. Then I had to track down the rubber pieces. If you haven't done it in a couple of years, defiantly go by two new ones and replace them.