Table 1 shows one common service brakes related problems of the 2018 Infiniti Q50.
| Problem Category | Number of Problems |
|---|---|
| Service Brakes problems |
The contact's son owns a 2018 Infiniti Q50. The contact stated that soon after purchasing the vehicle, there was an abnormal screeching sound coming from the brakes while depressing the brake pedal. There was no warning light illuminated. The contact's son took the vehicle to an independent mechanic to have the brake pads and rotors replaced. However, less than one month after the replacement of the pads and rotors, there was an abnormal grinding sound coming from the front passenger’s side brakes. The mechanic was notified of the issue, and the contact was informed that the brake calipers might also need to be replaced. The contact stated that while driving at various speeds, the engine temperature gauge indicated that the engine was hot(h), with white smoke coming from the exhaust pipes. The vehicle was taken back to the independent mechanic, but the mechanic was unable to determine the cause of the failure. The vehicle was taken to another independent mechanic and the contact's son was informed that the head gasket had failed, and an engine replacement was recommended. The dealer was notified of the failure, and the contact was informed that there were no recalls or warranty on the vehicle. The manufacturer was also notified of the failure and provided the same information as the dealer. The vehicle was not repaired. The failure mileage was approximately 88,000.
Car has white smoke coming from the exhaust and the oil level keeps decreasing. Car stalls and takes time to accelerate p0106 code pops up from engine. There’s a rattle and whine noise coming from the engine bay. Also the gas was stuck accelerating. Had to switch the car to neutral so it does continue accelerating. After switching to neutral I was able to decrease power to the wheels and had to pull over on the road.
As I was parking the vehicle at 5mph behind a parked car, with the front tires slightly turned to the left, the brake pedal was depressed, the vehicle suddenly accelerated but the vehicle failed to stop. Resulting in hitting the vehicle in front and pushing it out of the way, the vehicle continued moving despite having the brake pedal depressed to the limit, the engine was revving very high. The vehicle crossed the median and came to a stop on the opposite travel lane of the street after the engine went to idle speed. The dealer suggested to contact Infiniti USA to start an investigation(tba), a police report was filed. Collision avoidance/auto brake did not engage. Video with sound of the incident is available upon request.