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Discussion Starter · #1 ·
I just rebuilt the lower unit on my Johnson 15 due to hitting a log and busting the pinion gear. This was the first lower unit i have rebuilt. I got it all back together last night and the motor runs and shifts great but it is not pumping water. I replaced the impeller while i had everthing apart. I tested the motor with muffs. Any ideas on where to look first.
 

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When you rebuilt, did you replace all the gaskets and o-rings?
There are a number of things that can go wrong.
Incorrect placement of a seal during assembly;
Impeller that sat on the shelf too long and separated from it's metal core;
Missing or split o-ring;
Top of the water tube and grommet isn't in the receiver port;
Housing isn't properly seated to the base plate.
Missing gasket; Missing shaft key;
The reassembly has to be completed in the correct sequence
and torqued to the manufacturer's specs.

http://www.crowleymarine.com/johnson-evinrude/parts/23780.cfm

http://www.crowleymarine.com/johnson-evinrude/parts/14265.cfm
 

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I Love microskiff.com!
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Discussion Starter · #3 ·
Well i took off the muffs and put it in a trash can full of water and it spit like a champ. I fished saturday with out a problem so I guess i'm gtg. Thanks for the help.
 
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