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2013 INFINITI QX56 powertrain problems

moderate Owners of the 2013 INFINITI QX56 have filed 3 NHTSA complaints about the powertrain at roughly $2,500 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See powertrain across all vehicles →

Complaints
3
Recalls
0
Avg fix
$2,500
powertrain complaints on the INFINITI QX56, by model year
Model yearpowertrain complaints
2011 QX56 4
2012 QX56 3
2013 QX56 (this page) 3

When does it fail?

Of the 3 powertrain complaints filed for the 2013 INFINITI QX56, here's the actual mileage breakdown — failures cluster heaviest at 100,000-125,000 mi.

0-25k
0 (0%)
25-50k
0 (0%)
50-75k
0 (0%)
75-100k
0 (0%)
100-125k
1 (50%)
125-150k
1 (50%)
150k+
0 (0%)

Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.

What stands out

Among the 5 model years of INFINITI QX56 in our records for powertrain problems, this one ranks #3 by owner-complaint volume.

No new NHTSA powertrain complaint has been filed on this vehicle in over 7 years — the issue may be aging out of the active population.

Is there a fix? Manufacturer service bulletins

The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.

Service Bulletin ITB13-008C Sep 2022

CLICKING NOISE FROM FRONT OR REAR AXLE DURING TAKE-OFF/ACCELERATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

full bulletin at NHTSA ↗
Service Bulletin ITB13-008B Jun 2021

CLICKING NOISE FROM FRONT OR REAR AXLE DURING TAKE-OFF/ACCELERATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

full bulletin at NHTSA ↗
Service Bulletin ITB18-034 Oct 2018

TRANSMISSION & ENGINE AUTOMATED DATA COLLECTION AND DIAGNOSTIC REPORTING SERVICE INFORMATION To support proper diagnosis and to promote Fixed-Right-First-Time ? Infiniti may review CONSULT-III plus (CIII plus) data relating to vehicle operation and function to help with vehicle diagnosis and diagnostic validation. IMPORTANT: For transmission/engine repair or replacement, retailers are required to connect C-III plus and perform ?Diagnosis (All Systems)?. Performing C-III plus ?Diagnosis (All Systems)? is also required prior to contacting any Infiniti call center (i.e. TECH-LINE, PCC, or WCC) for diagnostic support or claim preauthorization. NOTE: For additional information regarding Automated

full bulletin at NHTSA ↗
Service Bulletin ITB14055 Nov 2014

SERVICE INFORMATION If a customer describes lack of power or poor acceleration, perform the following checks before attempting any repair: * Check for stored DTCs. * Check if the driver is resting their left foot on the brake pedal while accelerating. Advise the customer not to rest their foot on the brake while accelerating. * Use CONSULT-III plus in Engine Data Monitor to check operation of the brake lamp circuit signal. Monitor the brake switch during the incident; it should be "OFF". Please see this bulletn for further details.

full bulletin at NHTSA ↗
Service Bulletin ITB13008 Mar 2013

IF YOU CONFIRM: Customers concern of a "clicking" noise coming from either left or right front/rear axles during take-off/acceleration. ACTION: Apply Molykote M77 grease (P/N 44003-7S000) to the hub bearing surfaces. NOTE: * Do not remove the axle from the hub or transmission for this bulletin * Refer to the Electronic Service Manual (ESM) for model specific torque specifications. >Please see Service procedure for 2007-2011 Versa torque specifications on page 5. See this bulletin for further detail.

full bulletin at NHTSA ↗

Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.

What owners are reporting 3 most recent

powertrain · filed 11/10/2018

Timing chain replacement needed after 80000 miles

powertrain · 120,000 mi · filed 10/30/2019

Tl* the contact owns a 2013 Infiniti qx56. The contact heard a squeaking noise when she depressed the accelerator pedal. Also, the vehicle shook when stopping and hesitated when attempting to accelerate to highway speeds. An independent mechanic checked the vehicle, after multiple incident happen the noise got louder and the stalling got worse the contact stated got timing chain repaired but…

powertrain · 131,000 mi · filed 06/14/2023

The contact owns a 2013 Infiniti QX56. The contact stated that while driving at an undisclosed speed, she heard an abnormal sound coming from the engine compartment while accelerating. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the timing chain. After investigating the failure, the contact related the failure to…

Had powertrain trouble with your 2013 INFINITI QX56? File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.

Common questions

How serious is the powertrain problem on the 2013 INFINITI QX56?

It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.

At what mileage does the powertrain typically fail?

Based on the 3 complaints filed, powertrain issues most often appear around 125,500 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.

What does it cost to fix?

Independent shops typically charge around $2,500 for powertrain 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 powertrain?

No active recalls currently cover powertrain 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.

Related

Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database. Verify the raw federal record at nhtsa.gov/vehicle/2013/INFINITI/QX56. Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are independent-shop national averages and may differ in your area. Some links on this page are affiliate links.
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