I HAVE A 2001 TOYOTA 4RUNNER. THE REAR DIFFERENTIAL LEAKS OIL THROUGH PIN HOLES, AND FROM WHAT I HAVE READ, MINE IS NOT THE ONLY ONE. THE CAR BARELY HAS 100,000 MILES ON IT, AND THE DIFFERENTIAL SHOULD LAST AS LONG AS THE CAR. THE RISK IS THAT IT WILL RUN DRY, SEIZE, AND THE REAR WHEELS WILL LOCK UP CAUSING AN ACCIDENT. THIS IS CLEARLY A DEFECT BY TOYOTA REDUCING THE COST OF THEIR MATERIAL THE…
2009 Toyota 4Runner powertrain problems
moderate 8 complaints filed with NHTSA · avg repair $2,500
Complaints
8
Recalls
0
Crashes
0
Avg fix
$2,500
What owners are reporting 6 most recent
I AM FILING THIS, MY SECOND, COMPLAINT ABOUT MY 2009 TOYOTA 4RUNNER. MY FIRST COMPLAINT WAS FILED IN FEBRUARY 2010. I COMPLAINED TO MY DEALERSHIP ABOUT THE PROBLEM SINCE RIGHT AFTER PURCHASING THE 4RUNNER WHICH WE BOUGHT BRAND NEW IN MAY 2009. THE PROBLEM OCCURRED WHEN SLOWING DOWN TO TURN CORNERS TO ABOUT 15 MPH, AND THEN STEPPING ON THE ACCELERATOR TO SPEED UP, THE CAR REVS, SOMETIMES 2500-3000 …
2009 4 RUNNER TRANSMISSION: SAME AS OTHER COMPLAINTS ABOUT SLIPPING AND LAG TIME IN ENGAGING INTO GEAR AT LOW SPEEDS (LIKE WHEN SLOWING DOWN TO MAKE TURNS OR GO OVER SPEED BUMPS). OBVIOUSLY NOT SHIFTING CORRECTLY AND IS A SAFETY ISSUE WHEN TURNING ACROSS TRAFFIC AND THE VEHICLE DOES NOT RESPOND PROPERLY WHEN THE ACCELERATOR IS DEPRESSED. TOYOTA NEEDS TO INVESTIGATE THIS AS IT LOOKS LIKE A RECUR…
IN A PARKING LOT, WHILE TRYING TO STOP AND PARK ON REVERSE, THE VEHICLE KEPT ACCELERATED ON D (DRIVE). I HAD NOT CHANGE THE STICK YET TO REVERSE. I WAS JUST TRYING TO STOP. I HAD TO STEP ON THE BRAKES VERY HARD TO CONTROL THE CAR AND TURN OFF THE ENGINE AND CHANGE THE STICK TO P (PARKING). THE REAR RIGHT WHEEL LEFT A MARK ON THE PAVEMENT. *TR
TL* THE CONTACT OWNS A 2009 TOYOTA 4RUNNER. THE CONTACT STATED THAT WHILE DRIVING AT LOW SPEEDS AND TURNING, THE VEHICLE LOST ACCELERATING POWER. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTIC TESTING. THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOT CONTACTED. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 24,000. UPDATED 03/21/13*LJ THE CONSUME…
2009 4RUNNER TRANSMISSION SLIPS (REVS TO HIGH RPMS) WHILE ATTEMPTING TO ACCELERATE AFTER SLOWING BELOW 15 MPH (WHILE MAKING TURNS OR SLOWING FOR TRAFFIC). THIS HAS CAUSED DANGEROUS SITUATIONS WHERE A SIGNIFICANT LAG TIME BETWEEN DEPRESSING THE GAS PEDAL AND WHEN THE TRANSMISSION ENGAGES WHILE MAKING A LEFT HAND TURN ACROSS ON COMING TRAFFIC OR WHEN A QUICK ACCELERATION IS NEEDED AFTER SLOWING. …
Common questions
How serious is the powertrain problem on the 2009 Toyota 4Runner?
It's a documented issue but not catastrophic. 8 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?
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.
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.
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