One problem related to radiator has been reported for the 2006 Infiniti G35. The most recently reported issues are listed below.
The contact owns a 2006 Infiniti G35 coupe. The contact stated that the vehicle exhibited very little engine power when accelerating from stops. The vehicle was taken to an authorized dealer and the contact was informed that the engine was burning through a lot of radiator fluid. The contact was also informed that the radiator fluid was turning into a very dark color. In addition, the contact stated that he often times had to jam the transmission into third gear and the vehicle experienced difficulty shifting into reverse. The manufacturer was made aware of the failure and offered no assistance. The failure mileage was 40,000.