Just purchased a used 2008 qx56 with 118,000 miles. 2 incidents: while coming to a stop, brakes failed and brake light came on. Dealer says low brake fluid so they filled and all seemed fine. 3 days later, coming to a stop traveling less than 30 MPH same thing. The defect continued as I made my way to my house a block away. I can see why this issue would cause an accident and the issue in no way felt like a pin causing an issue with the pedal and bracket as described in recall listed. Vehicle being towed by dealer to determine cause but from reviewing all the complaints here, there seems to be 2 common themes: a brake defect and nissan not figuring it out.
2008 Infiniti QX56 brakes complaints
Page 2 of 2: complaints 11 to 23 of 23, newest first, as owners wrote them.
Brake light comes on with a grinding sound and brakes fail to hold. Occasionally, slv light illuminates. Some days,it happens very frequently. Rotors and brake pads are new, but the problem still persists.
Vehicle would not stop, and the brake light came on. There was a spring noise coming from the dash. The vehicle was turned off and turned back on and the problem went away. From what I have read on line it is a faulty delta stroke sensor.
During the first two occurrences, while attempting to engage the brake pedal to slow down, the brakes appeared to "open up" causing the vehicle to thrust forward in a sliding motion instead of coming to a halt. While repeatedly pumping the brake pedal, the braking system appeared extremely "loose" and the brakes would appear to engage and quickly disengage. The span of breaking for each occurrence lasted about 200-300 feet before the vehicle would eventually come to a complete stop. Following both occurrences, the vehicle was turned off and the brakes appeared to work properly after restarting the vehicle. During the third occurrence, the exact incidence described above occurred when trying to bring the vehicle to a complete stop; however, the span of breaking lasted about 400 feet. While constantly pumping the brake pedal to gain control of the vehicle, the brakes went from being extremely "loose" and going to the floor to becoming extremely hard and not engaging at all. The brake pedal appeared to have locked and no pressure could be applied to the pedal. Once the pedal locked, the vehicle came to a gradually slow stall and eventually stopped without the ability of applying the brakes. As with the previous two occurrences, the braking system would appear to operate properly after restarting the vehicle.
I applied brakes with plenty of lead time but the qx56 failed to brake causing me to rear end another SUV; I did minimal damage to the other car but damaged my radiator/front-bumper/hood. I had a similar ABS issue about a week before as described by many for the 2004-2006 nissan/infinity recall but I didn't research that recall until this current accident. My airbags did not go off. On initially breaking it sounded like the ABS was going to kick in but the car kept moving forward with none of the normal pulsing action that would normally be felt with ABS and no reduction in speed as the brake pedal was fully depressed.
I was driving down the road when my brakes started to skip. I stop my vehicle and put the vehicle in park and then put it back in drive then I was able to drive again as normal. It happen three more times after that. It's very dangerous for this kind of issue to occur in travel while driving at any rate of speed. I need this issue looked at by the dealer ship at their expense.
Tl* the contact owns a 2008 infiniti qx56. The contact stated that while driving approximately 10 MPH and depressing the brake pedal, she noticed a vibration in the pedal and the vehicle would not stop. The brake light, vdc and the ABS warning lights illuminated on the instrument panel. The failure recurred six times while the contact was traveling at different speeds. The vehicle was taken to the dealer six different times. The technician stated the brake booster and the master vac assembly would have to be replaced. The vehicle was repaired however, the failure recurred and resulted in the contact being involved in a crash. The vehicle was not further repaired. The approximate failure mileage was 48,670.
The brakes on my 2008 infiniti qx56 failed at an intersection today, causing me to go through a stop sign at an intersection. The brake pedal went to the floor and a sporadic grinding noise was heard and felt in the brake pedal. The brake indicator light was illuminated in the instrument cluster. The vehicle coasted to a stop. I pumped the brakes, but had no brake pressure. I put the vehicle in park, then turned it off. When I restarted the vehicle, the brake indicator light was no longer illuminated, and the brakes appeared to be working again. I immediately took the vehicle to my infiniti dealer since this is my primary form of transportation and I have 3 young children. The dealer informed me that the fault code indicated my vehicle had a faulty brake booster, which would need to be replaced for approx. $1000 (parts and labor). They informed me that although they had seen multiple qx56's with this problem come into their dealership, nissan did not have a recall in place. I find this to be unacceptable. I am lucky none of my 3 children were in the car with me at the time, and that no accident resulted from my brake failure.
Multiple incidents (3) of braking issues where vehicle loses braking ability however, it feels as though the ABS brakes are engaging. All three times the vehicle is moving at or about 40 MPH or less and decelerating so I have been able to come to a safe stop. However, I do have to push the brake pedal nearly to the floor and the "brake" warning light also comes on. . When I turn the vehicle off, it resets and I do not have any other issues immediately. The third time (today) 12/12/11, I took the truck to dealer and they, at first, said they were not able to find anything wrong with the vehicle. Then upon further investigation they claim it's a sensor that will cost $1700 to replace. Discussion threads I have read online (from as far back as 2004 until the present) have shown this to be a continuing problem on nissan armada's (the parent company of infiniti) and the qx56's from models 2004 to the present and nissan continues to ignore the problem. Some have even had complete brake failure and accidents. I will take my research to the dealer tomorrow and fight to have my problem taken care of pro bono or I may continue to drive it because I cannot afford $1700 which hopefully will not lead to a worse problem down the road. This needs immediate attention.
On 9-4-2011 I left tallahassee, florida. As I got to the edge of town I noticed it started to idle slightly high. By the time I got to thomasville, georgia, it would accelerate to about 45 MPH without any acceleration pressure and the brakes were required frequently. Between thomasville and moultrie, georgia, it would accelerate independently but it would drop down if I pressed and released the accelerator. It also seemed to maintain speed a bit better if I used the cruise control. As I turned onto mack dekle road just south of moultrie, the engine tacked out into the (maximum) red area. In a panic, I pressed the brake and slowed down enough to force it to "park". I restarted the vehicle several times and it revved to maximum rpms. I left it in the lane and called my wife who called ctv towing. After about 30 minutes I started it and it idled normally so I carefully moved it to the lee lewis road (less traffic and speed). The vehicle was then towed to nappleton infinity in tallahssee, florida on monday. I called the infinity dealer to tell them it was coming. After running computer checks and test driving, they concluding that the accelerator was hung on the floor mat. That is actually not the case as there was an obvious spontaneous acceleration that started in tallahassee. The floor mat was not moved between the time the vehicle accelerated on mack dekle road and the time it idled/ran normally to move it to lee lewis road.
2008 infinity qx56 brake failure while driving. On june 30, 2011, while driving the car and turning into a subdivision and trying to apply the breaks, a loud screeching sound was heard and the brakes filed and the brake warning light came on. After pumping the brakes several times they finally worked. This was a day after the car would not in a parking lot because the battery was dead. We had aaa jump start the car and were informed the battery needed to be replaced. Not sure if this is related or not. Took vehicle to dealership and they could not find an issue. The computer did not register the brake light coming on so they had no more information. We found a post on the armada forum club (http://www.clubarmada.com/forums/showthread.php?t=20102&page=3) outlining several people who have had similar issues and nissan still fails to take action on this. My wife was traveling with out 3 children and we are lucky she did not need to stop suddenly when this occurred. Thee dealership is going to do research but something should be done by the manufacturer.
Last week I experienced two separate, unrelated safety problems with my 2008 infiniti qx56. On thursday the truck abruptly lost all power including power steering and brakes and came to rest on a highway. It turns out that I had run out of fuel, despite the fuel gauge reading just under half a tank remaining. I had earlier been notified of a recall regarding this issue, but was on a wait list due to lack of replacement parts. The vehicle was repaired per the recall the next day, friday. On sunday, the vehicle suddenly lost it's brakes, the brake pedal fell to the floor, and the brake warning light went off. I was able to bring the vehicle to stop and had it towed to the dealer, who confirmed the failure and attributed it to a failed master brake booster.
Tl* the contact owns a 2008 infiniti qx56. While attempting to make a left turn at speeds of 7 MPH, a vehicle crashed into the rear passenger side wheel of his vehicle. He depressed the brake pedal but the brakes would not engage. The contact sustained a minor injury to his wrist. A police report was filed. A local mechanic repaired the wheel, axle, frame and passenger side door. The air bags did not deploy upon impact. The contact referenced the federal safety agency campaign id number: 10v072000 regarding service brakes (hydraulic: pedals and linkages) and stated that the failure was directly related to the recall. The failure and current mileages were 44,000. Updated 05/19/2010.
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