Lexus RX 350 transmission problems

In this brief guide, we are going to provide you with common problems with Lexus RX 350 transmission and what you can do to rectify these problems before they worsen.

Lexus RX 350 has an automatic transmission and does not require any manual input to shift gears while driving as most of the cars have automatic transmission. Various sensors and mechatronic systems work in coordination to shift gears automatically. 

Automatic transmissions have a global reputation for quality, reliability and durability. However, there are many problem with automatic transmissions and we’ll tell you why and how you can solve them

What are the common problems with Lexus RX 350 transmission?

Some of the most common problems with Lexus RX 350 transmission are:

  • Burning smell
  • Gear slippage
  • Delayed shifting
  • Loud and clunking noise
  • Transmission fluid leakage

Why is Burning smell a problem with Lexus RX 350 transmissions?

If you get a burning odor, your Lexus RX 350 transmission fluid is probably overheating due to clutch debris, breakdown of metallic components and sludge. So this sign is a cause for concern.

What are the signs of this problem with the Lexus RX 350 transmission?

The smell itself should be a good sign that there is something wrong with your Lexus RX 350 transmission. However you will get a more detailed sign if you use a software diagnostic tool.

How to solve this Lexus RX 350 transmission problem?

Check the transmission oil and its level. If it is too low then fill the required amount of oil in the transmission. If it is too dirty, then drain the entire oil from the transmission and fill it again. Also check for any debris and discarded materials.

Why is Gear slippage a problem with Lexus RX 350 transmissions?

The Lexus RX 350 transmission system is not designed to slip and if you are experiencing slippage then it could cause slow response or further damage to the transmission system. So, it is definitely a sign of a problem with the mechanical components of the transmission.

What are the signs of this problem with the Lexus RX 350 transmission?

You will be able to hear the gear slip while driving and this would be a good sign if there is slipping. Also, an error code will be displayed if you use a diagnostic tool.

How to solve this Lexus RX 350  transmission problem?

The solenoids of the two gears might be worn out and need to be replaced. Also, there is a chance that these solenoids might also be broken. Rarely, complete mechanical failure occurs with these transmissions.

Why is Delayed shifting a problem with Lexus RX 350  transmissions?

While driving on road if you experience a delay or lack of response while shifting from one speed to another speed then this could result in an unpleasant drive for you. So, this is a problem with your Lexus RX 350 transmission.

What are the signs of this problem with the Lexus RX 350 transmission?

Usually you would instantly notice this sign of the problem as you get a hesitation sensation or slow response from the car when you try to shift.

How to solve this Lexus RX 350  transmission problem?

Resetting the software settings or checking the gear ratio sensors could be a solution. Also, visiting the nearest service center or your trusted mechanic would be the only way to solve this problem because this might be a serious transmission problem you are facing.

Why is Loud and clunking noise a problem with Lexus RX 350 transmissions?

These Lexus RX 350 transmissions are not manufactured to make such loud and clunking noises and if you are hearing such unpleasant noises while driving then you should check with your mechanic as this might get a serious mechanical issue.

What are the signs of this problem with the Lexus RX 350 transmission?

You will hear these noises while driving and will be very unpleasant to your ears which can be taken as a sign that the transmission is having some problem.

How to solve this Lexus RX 350 transmission problem?

Normally this sound means that a component within the assembly needs to be replaced as it might be fractured. The entire assembly from which the sound is coming must be removed and rebuilt to fix this problem.

Why is Transmission fluid leakage a problem with Lexus RX 350 transmissions?

Lexus RX 350 transmissions are very advanced and leakage proof systems and if anything is leaking out of them then this could cause transmission overheating. It is definitely a sign of a problem which may cause serious trouble for you in the future.

What are the signs of this problem with the Lexus RX 350 transmission?

You would get an error such as P0842 or errors in the similar range which are associated with transmission fluid pressure. If these sensors get a low pressure this will indicate there is not enough fluid and a leakage somewhere in the transmission.

How to solve this Lexus RX 350 transmission problem?

Detecting where the leak is and closing it, is the most obvious solution to fix this sign before it causes mechanical damage to your car. Usually the gaskets or the seals in the transmission are worn out or broken to cause a fluid leak.

How to precisely diagnose these common problems in Lexus RX 350 transmission?

To properly diagnose these problems, you need a scan tool to read these codes from the Transmission Control Unit. Firstly, If a Lexus RX 350 transmission is malfunctioning, it immediately informs the driver with an error message on the screen.

How to prevent getting these problems in the first place?

Regularly changing your gearbox oil and other lubricants may save you a lot of trouble and money in the future. Although many experts suggest different number miles for servicing, your car manual will give you a proper recommendation when you should change. The best way to prevent these problems is to avoid buying these cars in the first place as these cars are known to have transmission problems. 

FAQs: Lexus RX 350 transmission problems

What problems does the Lexus RX 350 have?

Lexus RX 350 has problems with rack and pinion leaks and with repair bills of $1,300 these are common as were water pump leaks that resulted in $2,500 in average replacement costs. Other RX 350 owners experienced extensive oil leaks as well.

How long will the Lexus RX350 last?

The Lexus RX are generally durable, reliable SUVs that can last between 250,000 – 300,000 miles when regularly maintained and driven sensibly. Based on 15,000 miles driven per year, you can expect 16 – 20 years of service from your RX before it requires uneconomical repairs or breaks down.

Conclusion

In this brief guide, we have provided you with common problems with Lexus RX 350 transmission and what you can do to rectify these problems before they worsen.

If you have any questions or comments please let us know.

Citations:

https://www.cargurus.com/Cars/Discussion-t25032_ds753422

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