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Old 06-30-2016, 08:55 PM   #1
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Onan problem starting

I've got a Onan model 5BGEF 5000 and its a 1996. When I try to start it, it wont turn over but just makes a loud grinding sound that you can hear all the way up front. It ran fine a month ago after sitting all winter. It doesn't sound like a starter turning over and not engaging the flywheel but maybe it is. Any ideas?
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Old 06-30-2016, 09:12 PM   #2
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Sorry to hear you're having problems.
Your description sure would pass for a bad bendix or a chipped gear tooth until another theory comes along. After 20 yrs. a pretty good stretch.


Might check out these posts:
http://www.irv2.com/forums/f54/onan-...ve-169555.html


Best of luck
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Old 07-03-2016, 06:41 AM   #3
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Quote:
Originally Posted by jcgribks View Post
I've got a Onan model 5BGEF 5000 and its a 1996. When I try to start it, it wont turn over but just makes a loud grinding sound that you can hear all the way up front. It ran fine a month ago after sitting all winter. It doesn't sound like a starter turning over and not engaging the flywheel but maybe it is. Any ideas?
Whack the starter motor with a rubber mallet. That might loosen the starter bendix. My guess is its corroded and needs to be cleaned and lubed.

If this is something you are uncomfortable with, contact a small engine repair shop they should be able to help you out.
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Old 07-03-2016, 08:10 AM   #4
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I've tried hitting it and didn't help. I think the front gear is stripped out. I can feel the starter turning but there is such a grinding noise that I think it is the gear. I tried to remove the starter, got the wire off, the top bolt out and that's when I realized that it has a nut on the back side. I can't reach the nut on the lower bolt so there would be no way I can get it back on if I removed it. I went ahead and put the top bolt back on. I'm going to try and figure out a way to capture the lower nut so I can install a new starter.
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