Transmission Failure Problems of Lexus RX350

Lexus RX350 owners have reported 4 problems related to transmission failure (under the power train category). The most recently reported issues are listed below.

1 Transmission Failure problem of the 2008 Lexus RX350

Failure Date: 02/19/2014

The transmission completely failed while I was driving on the freeway. This was very dangerous and caused a safety hazard. The transmission had to be replaced. The power steering rack had to also be replaced. It's ridiculous that these failures occurred before 120,000 miles.

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2 Transmission Failure problem of the 2009 Lexus RX350

Failure Date: 12/19/2013

The contact owns a 2009 Lexus RX 350. The contact stated that the vehicle failed to accelerate speed. The vehicle was towed to an independent mechanic for inspection where the contact was informed that the planetary assembly had become detached. The vehicle was not repaired. The manufacturer was notified of the issue. The approximate failure mileage was 70,410. Updated 2/11/cn the consumer stated aamco re-built the original transmission. They found the source of the failure was the pins had worked themselves out on the rear planet assembly gears, causing the transmission to fail. Updated 02/14/14.

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3 Transmission Failure problem of the 2012 Lexus RX350

Failure Date: 12/03/2011

I bought the new car from a Lexus dealer in NJ on Saturday 12/03/2011. Right after the car was delivered to me and as I drove the car out of the dealership, I noticed that rpm surged whenever gear upshifted specially in 15-40 mph range. My wife also noticed the same issue. We brought the car to the dealer on following Friday, 12/9/2011, and explained the problem. When I brought the car back to the dealer for inspection, it had ~340 miles on it. One mechanic at the dealer road tested the car with me and noticed the same issue. We left the car at the dealer on that day. On following Monday afternoon (12/12/2011), the dealer called and said the transmission is failed and has to be replaced. We have serious concerns about the quality of the car and resulting safety issue: power train is the main component of a car that has direct implication on a car's safety. This car was a defect even before it was delivered to me. I also have serious concerns about the rigor of Lexus new car inspection process before customer delivery. We are concerned that this kind of power train issue can lead to a more serious sudden acceleration problem that causes disastrous accidents. With this defected car, we might have gotten into an accident right after delivery due to power train failure.

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4 Transmission Failure problem of the 2007 Lexus RX350

Failure Date: 05/02/2009

I purchased my Lexus RX 350 Dec 2006. I have 35, 500 miles on my car. My car is used for personal usage. My transmission was recently replaced March 2009. Now I recently had engine failure one month after transmission failure. To make matters worse, I was informed that my transmission is leaking. This problem was discovered after engine failure and replacement transmission.

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Safety Ratings of RX350 Cars
RX350 Service Bulletins
RX350 Safety Recalls
RX350 Defect Investigations