Two problems related to frame and members have been reported for the 2001 Infiniti QX4. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Infiniti QX4 based on all problems reported for the 2001 QX4.
The contact owns a 2001 Infiniti Qx4. The contact stated while having the vehicle inspected, a mechanic confirmed that rust was spreading along the undercarriage. The parts covered with rust were replaced but the rust continued to spread. The vehicle was not repaired. The contact called the manufacturer who replaced the wheels free of charge as they were also rusted but they continued to rust after they were replaced. The current mileage was approximately 69,000. The failure mileage was approximately 30,000.
Loose weld in frame where a-pillar meets passenger's side fender by windshield. Dealer welded it, which may effect or will not react correctly in a vehicle crash.
| Body problems | |
| Frame Rust problems | |
| Frame And Members problems | |
| Structure problems | |
| Underbody Shield problems |