kohler 5e problem

J

JOHN GRIMALDI

New Member
Nov 18, 2021
9
Boat Info
2005 SeaRay Sundancer Sport 340
Engines
8.1 V drive
kohler 5e generator runs for about 10 minutes and shuts down changed impeller still doesn't seem to be pumping much water
 
Last edited:
Do you have the manual?

Find the model number and do some internet searching. If the generator is down in a hole the best bet is to take a picture of the sticker on top of the control module that has all that information so you can manipulate the picture to see the number.

The manual has a good trouble shooting section near the back. If you are a DIY'er there are some tests spelled out in the manual to rule out faulty sensors.
 
Little Ducky said:
Do you have the manual?

Find the model number and do some internet searching. If the generator is down in a hole the best bet is to take a picture of the sticker on top of the control module that has all that information so you can manipulate the picture to see the number.

The manual has a good trouble shooting section near the back. If you are a DIY'er there are some tests spelled out in the manual to rule out faulty sensors.
Click to expand...
ok thanks I think I have the manual
 
Wanderer 290 said:
When the impeller was replaced were there any vanes or pieces missing? If so the resulting blockage in the heat exchanger will cause an overheat shutdown.
Click to expand...
The impeller I replaced looked good but it doesn't seem to be pumping much water out the exhaust
 
There is a restriction in the raw / cooling water system somewhere or a leak that is allowing air to enter up line..
Was the genny overheating prior to changing the impeller?
 
I replaced an impeller this season that looked as new but the metal hub was spinning freely. No water pumping at all.
 
There is a pump drive sleeve that probably broke
kohler359448_lg.jpg
 
We just went through this on a Northern Lights Gen. Would run for 5 mins and shut off. Changed impeller. Same thing. Cleaned exchanger. Same thing. No codes. Just to eliminate the possibility, we pulled the thermostat and ran it without one. Ended up being the unit was shutting off on temperature due to a stuck thermostat. Rare thermostats stick, but this one did.
 
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