During the week of december 29th, my car had the same shuddering noise as described in service bulletin: tsb no. Itb15-012d. The noise coming from the engine area sounded like a bag that was being on the ground during those few days. I brought my car into a local repair shop, thinking it would be brakes since that has been the only issue with the car. However, after driving on the freeway there was a loud noise like something dropped on the ground and my husband was able to pull the vehicle over to the middle fork of the road and the car completely ceased. It no longer moved forward while the engine still ran. We had it towed back to the local repair shop, which was diagnosed as a transmission issue. This was extremely scary where this was a very busy freeway and this was clearly a mechanical defect, since I mostly drive the car locally to pick up my four children. This should be a recall rather than a service bulletin, which almost took our life with this mechanical defect.
2013 Infiniti JX35 engine complaints
Page 2 of 2: complaints 11 to 16 of 16, newest first, as owners wrote them.
The radiator fan motor started making loud noises and soon afterwards broke. The engine started overheating and I barely drove the car to the infinity dealership in coral gables. My infinity has 34,000 miles, but it's been more than 4 years since I bought it and the service department at the dealership in told me that the fan assembly radiator motor is not covered by the engine warranty. The service adviser told me that they see such defects quite often on similar vehicles.
Was accelerating after making a turn, car refused to accelerate. Actual speed of car ~15mph odometer reported 40mph, 5 seconds later odometer jumped from 40mph - 60mph car is going about ~30mph. The car is making extremely loud transmission noises but not accelerating the gas pedal is to the floor. This is an ongoing issue with the car refusing to accelerate intermittently.
Car strongly vibrates/shudders at approx 20 MPH and thereafter, and I had to take foot off pedal to get it to shift gears. Engine light comes on. At first visit to dealer, on 9/7/2013, (I'm currently on 4th visit since getting car), they claimed to repair the issue, though repair order not clear what they did. On 10/5/13, same issue. Service engine light on, and car hesitates and vibrates upon acceleration. Per service invoice, "improper connection pin fitment". Dealership replaced fuel injector, and said problem solved. On 1/16/2014, same issue. Car shuttering upon acceleration btwn 15-45 MPH, and engine light on. Dealer replaced transmission, and once again, told me problem solved. On 3/24/2014, while driving on turnpike, same issue. Car vibrating upon acceleration, and engine light on. Had car towed back (approx 170 miles). Completely unsafe to drive. Dealership replaced engine control unit and engine chassis (I think that's the correct name), and was told - for the fourth time - "problem solved" (though incredibly, the dealer refused to pay the tow charge). In total, I've had the car only approx 8 months, and so far, have had the fuel injector, transmission, electronic control unit and engine chassis replaced, causing the car to be in the shop for this problem a collective total of approx 25 days or so. The car is dangerous to drive and someone is going to get seriously injured. I have now seen other similar reports and complaints about this particular car, under the "complaints" section of the federal safety agency. Something needs to be done.
A couple of months after driving my 2013 jx35 I began experiencing a shudder/shaking in my vehicle when driving in the 15 to 25 MPH range. The entire car shakes severely. It happen when trying to maintain speed in the range of 15 to 25 MPH. This is a range commonly driven in school zones, neighborhoods and freeway traffic during rush hour. Therefore, this problem is frequent. There is a feeling that I will lose control of the car while driving. I believe it is getting worse with time. The infiniti dealership where I purchased the vehicle initially denied the complaints and stated it was normal for the car to perform this way. I had to enlist infinity USA to get this problem addressed. The dealership completed repairs and stated the condition was remedied. It was not. The car continues to operate with a shudder in that speed range and now while turning corners.
After about 3000 miles, I began to experience a "bucking" of the car at very low speed in traffic (~10-15mph). Experienced a loss of power and would have to stomp on the accelerator to get the vehicle to accelerate. This began to occur regularly until I decided to take the vehicle in as part of the first service. I was informed that the transmission would have to be replaced and that I would have to wait for the part to arrive and that this was a known service bulletin. My dealer has been very accommodating however it is very unnerving to have to replace a transmission just 5000 miles into the life of a vehicle. I am actively exploring options to address the financial liability that I now have as part of the purchase of this vehicle.
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