The contact owns a 2013 Infiniti QX56. The contact stated upon starting the vehicle, the vehicle made abnormal rattling sounds. The check engine warning light illuminated. The contact also stated that the failure was occurring while driving. The vehicle was taken to an independent mechanic who diagnosed that the timing chain guide and the timing chain needed to be replaced. The manufacturer was no…
2013 INFINITI QX56 engine problems
moderate 14 complaints filed with NHTSA · avg repair $3,100
What owners are reporting 7 most recent
LOUD WHISTLING/WHINING SOUND FROM THE MOTOR AT START UP. EXTREME LOSS OF POWER WHEN STARTING UP A GRADE OR TO GET UP TO SPEED ON THE INTERSTATE CAUSING FEAR OF REAR END COLLISION. IT APPEARS TO BE A COMMON ISSUE WITH THIS VEHICLE THAT RESULTS IN A TIMING CHAIN OR CATALYTIC CONVERTER REPAIR, COSTING SEVERAL THOUSAND DOLLARS. IT APPEARS INFINITI IS AWARE OF THE PROBLEM BUT WON'T ISSUE A RECALL FOR …
Took car in for maintenance and was told I needed a new timing chain as its an often replaced part and that is failing on my car , I looked it up and found out that its a voluntary recall at present after numerous complaints and the dealer admitted they are faulty but mine wasn't in the VIN range for reimbursement. I had to pay $3800 dollars to replace and wait 10 days for completion, this is an …
THE SERVICE ENGINE LIGHT CAME ON, AND I BROUGHT THE VEHICLE TO THOUSAND OAKS INFINITI WHERE I REGULARLY HAVE THE VEHICLE SERVICED. THE DIAGNOSIS WAS A BANK 2 CATALYTIC CONVERTOR FAILURE. BASED ON MY RESEARCH, THIS IS A VERY COMMON PROBLEM WITH THE CAR AND IT IS JUST A MATTER OF TIME THAT THE OTHER CATALYTIC CONVERTOR WILL ALSO NEED TO BE REPLACED.
Our Infiniti QX56 started misfiring and shaking when driving. We took it in to the Infiniti dealership and was informed it is a bad timing chain. Upon research, we realized there was a recall for this issue on 2013 Infiniti QX56 models just like ours. However, our VIN did not show on the recall list. Our car has been meticulously maintained. Our research revealed that timing chains in well m…
The contact owns a 2013 Infiniti QX56. The contact stated that while starting the vehicle, the vehicle made an abnormally loud ticking sound. There was no warning light illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed that the timing chain had failed, and the failure was related to Infiniti Campaign Number: P6305. The vehicle was not repaired. The dealer was no…
Timing belt/chain failure - Recalled and repaired by dealership. When picking up my vehicle from the dealer for the above mentioned repair I was notified that I need new Catalytic Converter's as now the Service Engine light was coming on. The Service Engine light was NOT coming on prior. After an hour or two researching the CAT issue online I have found hundreds if not more instances with the …
Common questions
How serious is the engine problem on the 2013 INFINITI QX56?
It's a documented issue but not catastrophic. 14 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.