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Which Kohlers blow head gasket


 
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Boyd in Mn
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PostPosted: Thu Sep 27, 2012 9:47 am    Post subject: Which Kohlers blow head gasket Reply to specific post Reply with quote

About a month ago I talked to a guy who works on mowers a lot. He told me there is a series of Kohler engines that were assembled with head bolts that were too long and they typically blow head gaskets. Does anyone know what series this is?
 
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steve_in_mo
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PostPosted: Fri Sep 28, 2012 8:32 am    Post subject: Re: Which Kohlers blow head gasket Reply to specific post Reply with quote

I don't think those engines came from the factory that way, but some models use different length head bolts in different positions and they can get mixed up when someone works on them.

The primary reason for head gasket failure is improper torque in the bolts on installation and failure to re-check torque after a warmup.

People don't always tell a repairman the truth about how something got broken. "I was just mowing the yard, see, and..."
 
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DiyDave
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PostPosted: Sat Sep 29, 2012 3:49 am    Post subject: Re: Which Kohlers blow head gasket Reply to specific post Reply with quote

I think the 25 HP vertical shaft ones were the lemons. not sure of part #'s
 
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DiyDave
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PostPosted: Sat Sep 29, 2012 3:49 am    Post subject: Re: Which Kohlers blow head gasket Reply to specific post Reply with quote

I think the 25 HP vertical shaft ones were the lemons. not sure of part #'s
 
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dhermesc
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PostPosted: Mon Oct 01, 2012 7:53 am    Post subject: Re: Which Kohlers blow head gasket Reply to specific post Reply with quote

It seems every kohler built in the last 45 years has that issue. I've dealt with it on all years of Cub Cadet.
 
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WillieG
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PostPosted: Mon Oct 15, 2012 6:34 am    Post subject: Re: Which Kohlers blow head gasket Reply to specific post Reply with quote

Our 2005 25 hp vertical shaft Kohler has blown a few head gaskets. I'm not really happy with it, but it does the job.
 
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