One problem related to noises during shifting has been reported for the 2007 Nissan Xterra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Nissan Xterra based on all problems reported for the 2007 Xterra.
I had brought the Xterra to the mechanic on may 4th for intermittent vibrations ( which I attributed to the rough roads s/p winter as it occurred at the same points on the same roads ) over 2 month and a new intermittent thumping noise heard when the vehicle was shifting gears in the last 2 weeks. Nothing came up on the computer system showing any issues other than the known alert for the gas level part that shift the bed 6 months ago and I refuse to pay $400 for a $40 part that should have lasted the lifetime of the vehicle, ( another issue Nissan is aware of as it comes up on the computer to the mechanic that this a known defect but won't replace it free of charge) end result, transmission fluid and radiator fluid were mixing due to a known issue by Nissan and defective parts. There is no recall. The radiator and transmission cooler needed to be replaced costing over $1600. I have read on complaint websites regarding this known issue and I am aware this cost is much less than what other Nissan owners have paid as some customers have needed to replace their transmissions or have needed to junk their vehicles as Nissan refuses to take responsibility and suck up the cost to fix this significant mechanical problem on their vehicles !!!!!.