Two problems related to brake disc have been reported for the 2004 Infiniti QX56. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Infiniti QX56 based on all problems reported for the 2004 QX56.
Infiniti Qx56 2004 model purchased new from roseville Infiniti dealer(actual dealer name sacramento Infiniti) November 1, 2004. By February 16,2005 applying brakes caused severe shaking of the steering wheel . Taken into service after 5,945 miles. Returned with brake pads replaced on front wheels and rotors surfaced. The shaking/vibration problem has begun again at 10,141 miles may 4, 2005. The vechile will be going into service ASAP.
The brakes had to be repaired at 6,000 miles then again at 14,000 miles and now again at 21,500. The pulsation was so bad that the wheel shook, and it was unsafe. It was an engineering flaw. Brakes were not designed for a vehicle of this weight.