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VN throwing fan belt

rhiann

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hi all, my vn keeps throwing my fan belt:flame: , the tensioner is only at a quarter any ideas

Thanks

Rhiann
 
H

HATER VP

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Any pully starting to seize? Or any pull mainly the Harmonic Balancer moving?
 

rhiann

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Ive had the balancer checked and seems to be fine, the original belt was old and i had it fixed by a mechanic, since then its thrown it 4 times, is there any chance it might be a later model belt that could be a little longer, ive rang super cheap and they said thats not possible
 

FXST01

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where does the tensioner gauge line up to? Look for the arrow/triangle on the swingarm
 

88GreenVN

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The tensioner may look ok but what about under load?
Is the water pump OK?
 

CSL

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check all pulys and play close attension to the air con pump. the bearings in these fail and they become a bit wobbly, which under a few thousand revs a minute could throw it off the water pump, leading to the belt taking a holiday. which is quite dangerous cause then you got no (power) steering and no water.
but if you ant a quick fix go to repco and ask for a belt for a vn without air con, the shorter one.
 

rhiann

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yep, all the pulleys are fine, but just to make sure, dad replaced the tensioner pulley, the water pump, power steering and air cond seem ok even under load, do you think that later models may have a bigger belt????
 

Wesleyrpg

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it will be the harmonic balancer, mine balancer looked fine as well, and it kept throwing the belt, expect to pay about $300.
 
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