Question about Nissan Altima
The book shows it as a v9 3.5 l with a chain drive years 2002-2012
there is also an altima 2.4 l 1993-2001 another chain driven engine
both have balance shafts
If the chain has been replaced lately , it could be an improperly fitment of the balance shaft
If not I suspect that it could be a worn chain that needs replacing and the vibration is coming from lack of chain tension
the book does not show ant belt driven engines with a balance shaft
at this point I would take it to an accredited professional service center with experience on your engine and have a proper diagnosis done and quote
a new engine is the last thing I would be talking about
Posted on Apr 13, 2017
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Posted on Jan 02, 2017
Check the frame mounts too. You will have to loosen the bolts and jack the motor up with a jack and a woodblock.
Posted on May 04, 2009
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