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1985 4hp Evinrude water pump replacement

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  • 1985 4hp Evinrude water pump replacement

    Motor runs fine until it overheats. Very little water coming from cooling ports, mostly a warm air. I figured I need a water pump replacement but when I removed all of the bolts that hold the gearbox to the exhaust housing it is loose, but doesn't release. The Clymer manual I'm using just says to carefully remove the gearbox. What am I doing wrong?

  • #2
    Re: 1985 4hp Evinrude water pump replacement

    Sailorsaint, Welcome to iboats!What are you doing wrong? basically nothing...Remove the 2 bolts holding the lower unit to the midsection. Since there's no gear shift connecting rod, she should just drop down. If theres a bit of rust or metal displacement at the driveshaft/crankshaft junction, that could be cause for it not dropping.
    Light travels faster than sound. This is why some people appear bright until you hear them speak.

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    • #3
      Re: 1985 4hp Evinrude water pump replacement

      Thank you very much! So maybe a little force will dislodge the shafts.

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      • #4
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        Re: 1985 4hp Evinrude water pump replacement

        Rubber mallet..few good whacks

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