kohler generator model 5ecd

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• YYZRC Member Posts: 5,283 ✭✭✭✭✭

  June 2022

  When is the last time you changed the impeller?

  2008 350 EC on Georgian Bay

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• aero3113 Member Posts: 9,324 ✭✭✭✭✭

  June 2022

  What code does it give off when it shuts down?

  2008 330EC

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• bigmoteese1952 Member Posts: 20 ✭

  June 2022

  loc  
  
  

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• bigmoteese1952 Member Posts: 20 ✭

  June 2022

  haven't had the boat long.I haven't changed the impeller but had it winterized tjis year at a dealer.

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• Aqua_Aura Member Posts: 2,656 ✭✭✭✭✭

  June 2022

  When it's running is there water coming out of the exhaust on the side of the boat? I think LOC is loss of coolant. 

  1997 Bayliner 3988

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• bigmoteese1952 Member Posts: 20 ✭

  June 2022

  usually yes but not today.no water coming out.thought maybe because it didn't run long enough.

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• bigmoteese1952 Member Posts: 20 ✭

  June 2022

  will a bad impeller cause the engine to shut down?

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• bella-vita Member Posts: 411 ✭✭✭

  June 2022

  If no water is coming out it will shut down to prevent overheating 

  2002 Rinker FV 342

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• aero3113 Member Posts: 9,324 ✭✭✭✭✭

  June 2022

  bigmoteese1952 said:

  will a bad impeller cause the engine to shut down?

  Yes, worn or damaged impeller = no water (LOC)

  2008 330EC

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• Aqua_Aura Member Posts: 2,656 ✭✭✭✭✭

  June 2022

  Very simple fix so you're good there 😊

  1997 Bayliner 3988

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• YYZRC Member Posts: 5,283 ✭✭✭✭✭

  June 2022 edited June 2022

  Be sure to have a new impeller, new o ring, and a box of Band-Aids. 

  
  

  Might as well buy the service kit and change the anode, fuel filter and spark plugs at the same time. 

  
  

  https://www.partsfortechs.com/asapcart/index.php?main_page=product_info&cPath=14_83_87&products_id=756
  

  2008 350 EC on Georgian Bay

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• bella-vita Member Posts: 411 ✭✭✭

  June 2022

  Could be the coupler behind impeller also worn

  2002 Rinker FV 342

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• Aqua_Aura Member Posts: 2,656 ✭✭✭✭✭

  June 2022

  I did plugs on mine last year and wow what a difference that made. Per the service interval I still had at least 50 hours left till replacement. 

  1997 Bayliner 3988

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• bigmoteese1952 Member Posts: 20 ✭

  June 2022

  thanks guys appreciate all the input

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• rasbury Member Posts: 8,504 ✭✭✭✭✭

  June 2022

  Confirm the diagnosis- did not even think about an impeller until it failed...one of the more easy repairs. I would also check tge anode- many threads on here about getting the air out of the coolant system...

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• Dream_Inn Member, Moderator Posts: 7,730 mod

  June 2022

  As mentioned, easy fix.  It's either the impeller, clogged strainer, or you don't have the seacock open (or there is air in the strainer that needs primed).  Let us know what you find.

  Dream 'Inn III -- 2008 400 Express

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• aero3113 Member Posts: 9,324 ✭✭✭✭✭

  June 2022

  Like @Dream_Inn said, check the seacock first. There’s also a chance that the intake line needs to be primed.

  2008 330EC

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• Black_Diamond Member Posts: 5,439 ✭✭✭✭✭

  June 2022

  If the seacock was closed…impeller is toast.  

  
  

  Plugs: these eat them. Even if they look good!  I replaced annually and carried spares. 

  
  

  Backwashing out impeller pieces is a bit of a pain if any vanes are missing. 

  
  

  If you service the impeller, if you can turn the shaft by hand the coupler is broke.  Remove the fasteners around the plate the pump bolts to.  Do NOT unbolt the pump from the plate face.  The whole thing slides out, coupler slides on, pump shaft will slide on too once aligned. Rebolt the plate.  

  Past owner of a 2003 342FV
  PC BYC, Holland, MI

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• aero3113 Member Posts: 9,324 ✭✭✭✭✭

  June 2022

  @Black_Diamond , when I first changed my impeller and coupler I unbolted everything and didn’t have any issues.
  
  
  

  
  

  
  

  
  

  
  

  
  

  
  

  2008 330EC

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• Black_Diamond Member Posts: 5,439 ✭✭✭✭✭

  June 2022

  If you are careful…it can work.  Those couplings have poor misalignment capability and you can end up chewing up couplings or worse the bearing/seal in that pump.  

  Past owner of a 2003 342FV
  PC BYC, Holland, MI

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• aero3113 Member Posts: 9,324 ✭✭✭✭✭

  June 2022

  @Black_Diamond I don’t know what I unbolted everything. Next time I’ll try it your way.

  2008 330EC

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• Black_Diamond Member Posts: 5,439 ✭✭✭✭✭

  June 2022

  Info on these coupligs:
  
  https://www.guardiancouplings.com/products/general-purpose-couplings/gear-grip-couplings
  

  Past owner of a 2003 342FV
  PC BYC, Holland, MI

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