2011 Nissan Frontier: Power Train complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 9 owner complaints for the 2011 Nissan Frontier that list the power train component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11697002 (filed 11/02/2025): “Transmission fluid mixing with coolant in radiator!…”
- NHTSA complaint ODI #11233784 (filed 07/22/2019): “Truck started not engaging in reverse at around 50,100 miles. took my truck to larry h miller nissan where i paid 157.00 to have them tell me that my transmission was over full. they pulled about 3 liters of extra fluid from tranny. the fluid appears darker but thinner than normal. they said the pu…”
- NHTSA complaint ODI #11184598 (filed 03/06/2019): “At 27,000 miles the clutch started slipping. the vehicle was in motion on i-5 freeway. the problem caused me to pull over and get off the road as the vehicle could not go at the speed of the traffic creating danger. the next day i took it to a repair shop where the clutch and the flywheel were repla…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Pro
Diagnosis needs a scan tool; repair or replacement needs a lift, transmission jack and the manufacturer's fluid fill/relearn procedure. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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Sources
Page last updated .