2007 Johnson 15hp water pump

[taylorman]

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.

 

[bktheking]

Re: 2007 Johnson 15hp water pump

Did you remember to reinstall the pin for the impeller that drives it, also, are you sure everything lined up as required for the water tube?

 

[taylorman]

Re: 2007 Johnson 15hp water pump

I did install the pin. I feel like i got every lined up but that will be the first thing I check. I just hate to drop the lower unit again.

 

[jmendoza]

Re: 2007 Johnson 15hp water pump

Could also be the water tube is not in the lower grommet of the water pump, would not be the first time that has happened, and an easy fix!