CAN COMMUNICATION â NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗2011 Nissan Armada engine problems
moderate 7 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Complaints
7
Recalls
0
Avg fix
$3,100
When does it fail?
Of the 7 engine complaints filed for the 2011 Nissan Armada, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
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 9 model years of Nissan Armada in our records for engine problems, this one ranks #3 by owner-complaint volume.
No new NHTSA engine complaint has been filed on this vehicle in over 6 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 engine 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.
DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗VK56 CONNECTING ROD CAP BOLT SERVICE INFORMATION SERVICE INFORMATION A change has been made to the connecting rod cap bolt service part. The new service part (B in Figure 1) is visually different, but is a direct replacement for the original equipment part. IMPORTANT: See page 2 for the procedure to inspect the cap bolt service part for excessive stretch. If replacement of a single connecting rod cap bolt is indicated for any given connecting rod, both connecting rod cap bolts of the affected connecting rod must be replaced as a set.
full bulletin at NHTSA ↗These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts on vehicles are not effected.
full bulletin at NHTSA ↗These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts on vehicles are not effected.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 6 most recent
Tl* the contact owns a 2011 Nissan armada. After starting the vehicle, a ticking noise was heard coming from the engine compartment. Also, the vehicle would not accelerate properly and stalled on multiple occasions. The vehicle was taken to Nissan of lake norman (18615 statesville rd, cornelius, nc) to be diagnosed, but the cause of the failure could not be determined. The vehicle was then taken…
2011 Nissan armada. Consumer writes in regards to engine replaced due to lack of lubrication issues. Corporate denies claims of front camshaft bracket bolt and cylinder block ball plug oil leaks technical service bulletins. *smd also, the driver side window would not stay up. *jb
Cracked exhaust manifolds, as a safety issue, Exhaust gasses can enter the drivers compartment. Nissan has know about this issue for years, it is a defect, it is a very big issue with a very large percent of vehicles with this issue. Please issue a recall, so the manufacture pays for it and not the owner.
During a family camping trip, towing a camper, at ~54,000 miles the exhaust broke off the vehicle at the mounting flange just behind the muffler. This caused exhaust to heat the floorboards just at the 3rd row seats, melting the plastic cover to the mounting bolts of the seat to the floor, and melting the carpet in the same area, and filling the cab with melting plastic fumes. It also melted…
Both of the exhaust manifolds and catalytic converters in our 2011 Nissan armada have cracked. As a result, exhaust fumes were leaking into the passenger compartment creating a potentially deadly concentration of c02 fumes in the passenger compartment. This is a known design/engineering defect on all v8 Nissan armada and Nissan titan engines for at least 10 years. Nissan will only cover the…
The oil fill spout came off the valve head cover resulting in massive oil spill. I was lucky I discovered it after a short trip to the store. Both pieces are made of plastic and poorly glued together with something that resembles silicone. It had completely deteriorated (the car has 49,000 miles on it) . Very disappointed that Nissan wouldn't spend another 15 cents and hold these pieces together…
Had engine trouble with your 2011 Nissan Armada?
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 engine problem on the 2011 Nissan Armada?
It's a documented issue but not catastrophic. 7 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?
Based on the 7 complaints filed, engine issues most often appear around 88,250 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 $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.
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/2011/Nissan/Armada.
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.