2011 Toyota Sienna Transmission and drivetrain Problems

“When accelerating vehicle makes loud humming noise. Stops when you take your foot off the gas. I was told it is the rear differential. I have read many complaints about this faulty part. Why is this not being investigated? $2000 repair.”

“I was driving the vehicle down the interstate and it started to slow down. The engine was still running. However, the transmission was slipping and I could not maintain the posted speed limit. The only way to keep the vehicle moving was to rev the engine up to between 5,000 and 6,000 RPM. Fortunately, I was able to get to an exit and get the vehicle to a parking lot. At that point, the vehicle would not move under it's own power. The engine would run, but there was no power to the drive wheels. …”

“I was driving from toronto to virginia on 23 dec 2020 and refilled gas in springfield ny walmart gas station to refill the gas. When I entered bedford pa turnpike, the car sounded with different sounds from engine on the ramp when entering the 70/76 freeway. When entered to virginia from maryland border after potomac river crossing on highway 15 , the car suddenly stopped while driving at 30 MPH and pulled the car to the side of the road slowly and when I restarted the car, it started normal and drove till chantilly virginia without any stopping. But the engine gave me different noises.”

“Began hearing a loud whirring sound from rear of car when car is in motion. Got louder over time. Our regular mechanic could not diagnose the noise. Toyota dealership finally diagnosed as a failed electromagnetic rear coupler. Suggested we not use 'cheap tires.' we never have. We actually went through three sets of the recommended 'run flat' tires in under 75,000 miles. As you know, these are not cheap tires to replace. Cost to replace coupler is incredibly high - should be covered under warranty, as a google search and discussions on Toyota chat sites tell me this is a common problem.”

“There is a safety recall b0h issued by Toyota that only impacts certain 2011 model year siennas. This is where the right hand front drive shaft assembly is impacted. The vehicle of my 2011 Toyota Sienna does not match those vehicle identification number(s) that are impacted by this recall. My vehicle is exhibiting the exact same issue that other 2011 Toyota siennas are running into but my vehicle VIN number is not included in the safety recall. My vehicle has 75656 miles on it and Toyota dealership will not fix this safety recall without me paying for it. …”