Rear brake pad life is dangerously short. I began to experience squealing and vibration upon braking after only 25,000 miles. There is no suggested replacement interval so I could easily see someone ignoring the symptoms or putting off the pad replacement (most people expect pads to last at least 30,000 miles). There are also no wear sensors for the rear brakes. Someone could easily wear through the pads and have a dangerous rear brake failure since there is no disclosure provided by infiniti of how short the rear pad life really is.
2014 Infiniti Q50 brakes complaints
Page 2 of 2: complaints 11 to 14 of 14, newest first, as owners wrote them.
My 2014 infiniti q50 sport has an unresolved reoccurring problem were after aprox. 20 miles of driving the brake pedal will sink substantially towards the floor after braking. As the car will still stop after the brakes are applied the braking distance is longer than normal and the feeling of security is greatly reduced. To date the car has been back to the dealership 3 times for this issue. The first time a full brake job was performed at my expense. Within a couple months of the brake job the problem came back. The car was returned to the dealer in july 2016 for further evaluation. After 2 days of short trial road testing the car was returned to me with the explanation that the dealership "could not replicate the issue" one week after that the problem occurred again and I limped the car back into the dealership as the problem was occurring. They semi acknowledged the issue and proceeded to order a new master cylinder that took 1 month to come in and get installed. I received the car back on 8/11/2016 and immediately noticed the pedal was still lower than normal but operational. After driving for about 50 miles on open highway the problem reoccurred again. Once again I took the car back to the dealership where it lies now with no resolve. At this point I am afraid to drive the car because of this issue and the many past recall issues involving air bags and the electronic steering system. At this point I am looking at turning the car in with 10 remaining lease months left at an expense of $7,000.00. I am not willing to put my life or the lives of my loved ones in jeopardy.
While slowly backing out of a parking spot in a parking garage, the vehicle automatically braked so abruptly that I thought I had struck something in the roadway. I got out to check and the roadway was clear. I returned to the vehicle to continue and it did the same thing again. I was then able to continue. I had previously been to the dealership with issues with the sonar system for the backup collision warning and avoidance system registering false positives and beeping endlessly. Components were replaced. The problem clearly was not fixed. This technology does not work and makes the vehicle frightening to drive.
While traveling on the highway on 2/15 at 65mph with the intelligent cruise control system engaged, the vehicle automatically and abruptly applied the brakes very hard. There were no vehicles in front of us to warrant engagement of the collision avoidance system. An error message displayed on the dashboard. It was extremely unsettling to the point that my wife no longer wants to travel in the vehicle, nor will we have our infant son travel in it. The vehicle had previously abruptly braked in low speed conditions (ie, parking lots) for no apparent reason. Dealer had previously replaced radar system components prior to the 2/15 incident. I will no longer use the driver aids as a result as they are clearly not safe.
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