One problem related to axle assembly has been reported for the 2004 Infiniti G35. The most recently reported issues are listed below.
Clicking noise is coming from the left and/or right rear axle when accelerating from a stop. Clicking noise from rear axles. I took it to an authorized Infiniti dealer and they stated they replaced the bolts and nuts in the rear left axle. The clicking noise still exist! it is coming from the left and middle rear axle.