alternator drive movement


Information and questions on GL1500 Goldwings (1988-2000)
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skywagon70
Posts: 3
Joined: Wed Jun 01, 2011 10:15 pm
Location: elgin oregon
Motorcycle: 1991 gl1500

alternator drive movement

Postby skywagon70 » Sat May 24, 2014 3:47 pm



How much movement should alternator drive have? Mine slips in and out abt 1/8 inch and there is some detectable lateral movement. dampers are pretty hard also.Alternator turns smoothly w no apparent slack. I am going to replace dampers before moving on to timing belts it had belts at appr.100,000
Was getting intermittent rattle from what seems like left front quadrant of engine. It has missed a couple times after starting both times after being in rain with accompanying rattle. It smoothed out after a few minutes. 91 gl1500se w 118,000 miles.



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Fatwing Chris
Posts: 741
Joined: Thu Oct 21, 2010 6:10 pm
Location: Ont.,Canada
Motorcycle: 2004 ABS Model Goldwing

Re: alternator drive movement

Postby Fatwing Chris » Sat May 24, 2014 8:23 pm

Personally if it was mine I would put new dampers in it,but I would also take the alt to a known good auto electrical rebuilder and have them do bearings and brushes(usually that's all they need).Should be way less than a hundred bucks.
If I'da known it would last this long,I'da taken better care of it.
Chris
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Darkside # 1602

skywagon70
Posts: 3
Joined: Wed Jun 01, 2011 10:15 pm
Location: elgin oregon
Motorcycle: 1991 gl1500

Re: alternator drive movement

Postby skywagon70 » Sat May 24, 2014 11:42 pm

My concern is the coupling in the bike has movement. is this normal? if so how much is normal. I am trying to track down a rattling sound at idle speeds.I am starting with alternator drive as it is about the easiest to remove and replace. dampers are on order.I will take alternator to shop or rebearing it myself next week.
Has anyone had a bearing failure on the drive gear causing slack and noise?
thnx
Butch

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dingdong
Posts: 2863
Joined: Thu Apr 08, 2010 8:35 am
Location: Oklahoma City
Motorcycle: 1976 gl1000
1993 gl1500
2004 NRX1800 Rune

Re: alternator drive movement

Postby dingdong » Sun May 25, 2014 7:19 am

The dampers will cause a rattle when they get hard. The rear bearings are usually the first to fail in the alternator. Not sure about how much play in the shaft.


Tom

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