THE VEHICLE JUST STOP. HAD TOW TO THE MECHANIC DIAGNOSED WITH COOLENT IN THAT DAMAGED THE TRANSMISSION
2009 Nissan Pathfinder powertrain problems
severe 6 complaints filed with NHTSA · avg repair $2,500
Complaints
6
Recalls
0
Crashes
0
Avg fix
$2,500
What owners are reporting 4 most recent
I WAS DRIVING TO WORK WHEN MY TRANSMISSION FAILED. THERE WAS NO WARNING. I WAS DRIVING ABOUT 60MPH, AND HAD TO MERGE TO THE SIDE OF THE ROAD. I HAD TO GET IT TOWED, AND IT WAS DETERMINED THE RADIATOR FAILED, CAUSING RADIATOR FLUID TO GET INTO THE TRANSMISSION. THIS RUINED THE TRANSMISSION. COST IS ABOUT $4,000 TO REPLACE, AND THIRD PARTY WARRANTY IS REFUSING TO COVER ANY OF IT.
MY 2009 NISSAN PATHFINDER (AFTER THE WARRANTY RAN OUT), STARTED HAVING ISSUES WITH THE TRANSMISSION AND OVERHEATING. LO AND BEHOLD WE HAVE AN ISSUE WHERE THE RADIATOR AND TRANSMISSION FLUID IS MIXING. THIS APPEARS TO BE THE SAME PROBLEM OTHERS HAVE REPORTED AS A FAILED TRANSMISSION FLUID COOLER INTEGRATED IN THE RADIATOR THAT ALLOWED ENGINE COOLANT TO MIX WITH AND CONTAMINATE THE AUTOMATIC TRANS…
THE DEFECT IN THE RADIATOR CAUSED THE ANTIFREEZE AND OIL TO MIX. IT THEN MIXED WITH THE TRANSMISSION FLUID. THAT WAS FIXED BY A REPAIR SHOP. NOW THE TRANSMISSION HAS SLIPPED OUT BECAUSE OF THE MIXTURE OF THE THREE FLUIDS. *TR
Common questions
How serious is the powertrain problem on the 2009 Nissan Pathfinder?
It's a meaningful issue. 6 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain 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 $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.
Other problem areas on this vehicle
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. 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.