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  #1  
Old 09-04-2014, 09:17 PM
RichardC RichardC is offline
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Join Date: Oct 2013
Location: NH
Posts: 95
Whistling/Beeping noise from engine

Ive got a Honda 48" commercial walk behind i acquired at the beginning of this season. as ive been using it during the season, it has starting to make what i can only describe as a long steady beeping noise. at first it was infrequent and only short beeps, now it's happening quite often and for longer periods.

i cant quite find any pattern to it coming and going; it happens with or without the deck engaged, whether or not it's in gear, moving or sitting still, and it happens at low or high throttle.

the only imperfection ive noticed with the mower, which it's been doing since i got it, is the left wheel's transmission or whatever seems a little weak. i haven't been able to connect that issue to the whistling/beeping noise though, as the wheel issue hasnt gotten any better or worse, but the noise has..

any thoughts on what may be causing this noise?

here's a link to my older thread with more info/pics on my mower.

http://www.lawnsite.com/showthread.php?t=425481
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Old 09-04-2014, 09:36 PM
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Greg78 Greg78 is online now
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Possible low oil alarm?
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  #3  
Old 09-04-2014, 09:37 PM
dieselss dieselss is offline
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Birdie?.....
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Old 09-04-2014, 10:12 PM
RichardC RichardC is offline
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Oil looked good to me a few days ago, but it cant hurt to re-check it one more time.
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Old 09-05-2014, 05:47 AM
jeannewyatt jeannewyatt is offline
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Location: lawrenceville ga
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Check the belt and all pullies between engine and trans. I bet you have a bad pulley there somewhere.
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  #6  
Old 09-05-2014, 06:47 AM
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easy-lift guy easy-lift guy is online now
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Contact Honda for any factory recall or maintenance issues. Make sure you have model,serial number. Simple.
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  #7  
Old 09-05-2014, 07:22 AM
AintNoFun AintNoFun is offline
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sounds like an explosive device, id have your guys start your mowers from now on. lol jk

we had an air filter one time that made a whistling noise, something was wrong with the fabric in it and was struggling to suck in air.. maybe pop it out for a few mins and see if it goes away..
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Old 09-05-2014, 09:31 PM
suspicionofignorance suspicionofignorance is online now
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Maybe ya ran over somebodys cell phone...!
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