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Discussion Starter · #1 ·
so before I got the oil pump replaced, there was no wobble or belt noise. after replacing the oil pump and putting on the old balancer. there was a wobble and a chirp. the belt noise seems to completely go away when the car is warmed up. I got the harmonic balancer replaced with a new one and still does the same thing. is there a hub or something the balancer goes on to that can be replaced??
 

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You may have a bent crank shaft.....I would have it checked to rule it out.
 

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09 Altima 3.5SE 6MT Sedan
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I also read somewhere that the splines that the harmonic balancer mount to can get worn and this cause the balancer to never truly seat properly and hence the wobble. I could also be barking mad. Or maybe it was the crank keyway...
 

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No no I read that too Doug. that could also be the/an issue.
I also read somewhere that the splines that the harmonic balancer mount to can get worn and this cause the balancer to never truly seat properly and hence the wobble. I could also be barking mad.
 

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Discussion Starter · #6 ·
How do I fix that if that's the problem?
it wouldn't be a bent crankshaft, there's no engine noise or vibration
 
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