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2018 Nissan Pathfinder SL
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4,282 Posts
What yr ?
How many miles?
Good chance just the front crank seal is leaking, They leak first on the GA16's
Oil sender possible leak
valve cover only needs replacing if you have Oil in the spark plug tubes.
Yes belts prob need replacing anyway.
Why are you replacing the harmonic balancer ?
 

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2018 Nissan Pathfinder SL
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yes you can do this yourself, there are lots of threads and discussion here on the forum.
Yes you may need to buy some tools but they are yours for good, and less than $500 !!
Download the factory service manual (FSM) for free !!
 

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2018 Nissan Pathfinder SL
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4,282 Posts
What you are describing is an IAVC problem not a harmonic balancer.
The harmonic balancer is there to balance the crankshaft vibrations and resonances.
On some cars the crank is not in static balance as well, ie externally balanced, and the harmonic balancer provides this balancing
( sometimes the flywheel is used as well ie Chevy SB 400 Cu in.)
If the rubber is bad or it falls apart then replace it otherwise its pretty inert !!
 

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2018 Nissan Pathfinder SL
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4,282 Posts
Its worth noting the crankshaft pulley is listed only as a pulley, not a harmonic balancer. Also its $151 discount price at Courtesy Nissan, are you sure this guy isnt just pulling your chain ???
 

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2018 Nissan Pathfinder SL
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4,282 Posts
Since they replace the pulley with an under drive one I dont think this is a harmonic balancer...just remembered this....
Look and I will be suprised if there is any rubber.
 
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