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09-03-2019, 07:08 PM | #1 |
Not Yet Wild
Join Date: Feb 2010
Posts: 11
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G9 Eating Starter/Generator Belts
New issue. My G9 started eating starter/generator belts - like one a week. Initially thought poor belts so upgraded to kevlar. Eats them,too. Today took a drive while the latest kevlar is still alive, stopped and felt the belt. Pretty hot! Any chance the s/gen belt is doing some of the work of the clutch belt?
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09-03-2019, 07:17 PM | #2 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: G9 Eating Starter/Generator Belts
How much slack in belt? Any other changes like new clutch?
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09-03-2019, 09:05 PM | #3 |
VC 460 CLONE GONE WILD
Join Date: Oct 2014
Location: Ray BY The Bay NJ
Posts: 10,639
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Re: G9 Eating Starter/Generator Belts
Any possible alignment issues ? Loose or worn hardware. Usually when a belt gets hot something is not right.
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09-14-2019, 06:42 AM | #4 |
Not Yet Wild
Join Date: Feb 2010
Posts: 11
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Re: G9 Eating Starter/Generator Belts
Keep the starter/generator belt fairly firm but not tight-tight. Any looseness and the belt will spin w/o spinning the motor. The first thing it does is spins off the fabric coating on the kevlar belt with belt failure not too far off.
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09-15-2019, 09:28 PM | #5 |
Searching for The Way
Join Date: Oct 2009
Location: Medina, Ohio (NEOHIO)
Posts: 11,441
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Re: G9 Eating Starter/Generator Belts
The belts I use don't have a fabric coating on the sides, just smooth rubber.
Are you using a lawn and garden belt? If so, those are meant for engines with a clutch like on a mower. The fabric allows the belt to slip while the tension in released. Could be an issue? |
09-16-2019, 05:28 AM | #6 |
Gone Wild
Join Date: Jun 2011
Location: Northern Indiana
Posts: 2,827
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Re: G9 Eating Starter/Generator Belts
Other possibility is the starter generator itself trying to seize up as it gets hot. Just throwing out another possibility.
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09-16-2019, 07:58 AM | #7 |
Not Yet Wild
Join Date: Feb 2010
Posts: 11
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Re: G9 Eating Starter/Generator Belts
I've tried the full rubber belt - didn't last. Switched to the kevlar to see if it would wear better - the fabric seems to be the weak link with it so I'll try the rubber again. I do agree that excess loading is a likely culprit - I'll check for starter/generator heat build up.
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09-17-2019, 05:41 PM | #8 |
Not Yet Wild
Join Date: Feb 2010
Posts: 11
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Re: G9 Eating Starter/Generator Belts
Just to update: I replaced the kevlar belt with an all rubber. I have monitored the temp of the belt and the starter after a couple of hourlong runs. Both warm to the touch but not hot (certainly no warmer than the engine compartment temperature). No signs of belt wear.
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