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Serpentine belt came off while driving? that normal? 

 

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 Post subject: Serpentine belt came off while driving? that normal?
Posted: Sun Oct 14, 2007 3:50 pm 
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on friday night i was driving on the freeway, suddenly my power steering went, and my battery was showing 10V (alternator) - so i pulled over

the serpentine belt had come off and got twisted and stuck in the tensioner.

after 90mins i managed to get the tattered (but intact) belt out of the tensioner and back on...and limped home
(got a new belt on now)


what im wondering is, is it usual for the EFs to do that?
because if it isnt, im gonna have to check out why it came off, so it doesnt occur again.


thanks
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Posted: Sun Oct 14, 2007 5:19 pm 
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wow you seem to have bad luck with cars, too many burnouts maybe?

 

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Posted: Sun Oct 14, 2007 5:21 pm 
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never had or heard of one coming off before - either crook belt or something out of alignment ? Be worth checking the bearings on the tension pulleys - I'm guessing if they wear too much they'd be sloppy and pull crooked...
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Posted: Sun Oct 14, 2007 5:44 pm 
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Of course its not normal for a belt to throw off :lol: .

Could be many things, check for stretched belt, faulty(loose) tensioner, wobbly idlers, pulley alignment etc, something would have thrown it off, but most probably a worn belt, they dont throw off often :wink: .

 

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Posted: Sun Oct 14, 2007 5:57 pm 
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Windza wrote:
crook belt


i like that brand :lol: :lol: :lol:
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Posted: Sun Oct 14, 2007 7:09 pm 
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certainly not normal. you need to find out why it did that.

as above possibilities, worn belt, worn idler/tension bearing worn tensioner worn balancer. . .

i think you get the idea

 

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Posted: Sun Oct 14, 2007 7:28 pm 
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good posibilty is the water pump bearing has let go hence the pully is on an angle belt slides off , seen it on a couple ef/el falcons

 

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Posted: Sun Oct 14, 2007 7:32 pm 
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horis wrote:
good posibilty is the water pump bearing has let go hence the pully is on an angle belt slides off , seen it on a couple ef/el falcons

Happened to me just a while ago. Is it noisy at all cause mine had signs of it going.

 

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Posted: Sun Oct 14, 2007 8:52 pm 
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)This happened to me just after i bought my car 3 years ago, went through 2 belts witin a week before realizing that the balancer had seperated and the outer had moved forward. The car yard fixed it under warranty but when rebuilding the motor recently, I found that it had also cracked the timing cover below the timing marker. :x (explained why i couldn't fix the slight oil leak which I thought was the balancer seal :oops: :roll: )
Just thought it might be worth looking into.

 

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Posted: Sun Oct 14, 2007 9:53 pm 
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i rekon a rock or something got in there. nice and simple =)
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Posted: Sun Oct 14, 2007 10:10 pm 
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maybe the possum family in there slipped it off?

 

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Posted: Sun Oct 14, 2007 10:28 pm 
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Quote:
Could be many things, check for stretched belt, faulty(loose) tensioner, wobbly idlers, pulley alignment etc, something would have thrown it off, but most probably a worn belt, they dont throw off often :wink: .


i think it was a worn belt after having a look at it... the groove ribs are f**k... its almost flat now... (From them getting sliced off when it came off)

ive checked the tensioner (its tight), the alignment is good. :)


the new belt has been done around 300km so far, including a dyno run... and its still in line, not getting damaged etc.....

so i think it was just belt age.



thanks guys for the replies :)
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Posted: Sun Oct 14, 2007 10:48 pm 
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grub73 wrote:
)This happened to me just after i bought my car 3 years ago, went through 2 belts witin a week before realizing that the balancer had seperated and the outer had moved forward. The car yard fixed it under warranty but when rebuilding the motor recently, I found that it had also cracked the timing cover below the timing marker. :x (explained why i couldn't fix the slight oil leak which I thought was the balancer seal :oops: :roll: )
Just thought it might be worth looking into.


yeah my belt sits forward cox of my balancer replacing it soon
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