VH45 Chain Slapping

[vg30de93]

hey guys the car VH45 is out of the car and when i turn the crank i hear a slapping sound, i too the valve covers off and turned the engine and on the passenger side intake cam gear as the chains transfers to the drivers side intake gear i watch it become loose and then tighten up which causes the slapping noise then here it become loose again, is this normal or what should i be looking for? i replaced the passenger side tensioner but didn't touch the drivers side.

[djwarner]

Is your engine a '93? If so it may have plastic chain guides used to adjust the valve timing. These were known to fail. I suggest you check the Infiniti Q45 forum and search.

[klh6686]

The tensioners operate off of oil pressure. With the engine off there is no oil pressure so no tension on the tensioners. I wouldn't be too concerned with it.