CVT (Continuous Variable Transmission) is a new technology introduced in many new cars and machines which is an exciting and relaxing technology for many people. This CVT transmission has become very popular in the automobile industry these days due to its smooth performance and fuel efficiency. But when it comes to its maintenance, the most common question that comes to people’s mind or they search it on Google is “Can you do a transmission flush on CVT?” Let us discuss this topic carefully and understand whether flushing of CVT transmission is right or not.
What is a Transmission Flush?
Let us imagine an old machine which is running for a long time. If we do not change or clean its oil or fluid, will the machine run smoothly? Transmission flush is a method in which the old transmission fluid of a vehicle or machine is completely taken out and after cleaning it properly, it is refilled by putting fresh fluid in it. This is a common practice for older cars or machine transmissions, but it’s a little different for CVTs.
Should You Flush a CVT Transmission?
The design and structure of a CVT transmission is a little bit different and more delicate than older transmissions. They use pulleys and belts that take the place of older gears. So flushing a CVT is not always the best option.
1. Manufacturer Guidelines
Most car manufacturers and professional mechanics specifically advise that CVT fluid should be drained and refilled instead of flushed. These recommendations come after their research and testing, so it’s always best to follow the manual.
2. Risk of Damage
High-pressure flushing can seriously damage sensitive components of the CVT transmission such as seals and pulleys. A small mistake can completely ruin your CVT system, which may not be repairable after all, and if it gets out of order, repairing it can be very costly.
3. Alternative: Drain and Refill
If you think your CVT transmission fluid is dirty, a safer option is to drain and refill. This method replaces the fluid without any damage or risk.
Benefits of Regular CVT Fluid Maintenance

1. Improved Performance
Imagine how much a fresh and clean fluid can improve the performance of a CVT. Your car’s driving becomes more smooth and enjoyable.
2. Increased Lifespan
When you take good care of your CVT transmission, its life automatically gets extended. This is an investment that secures your car’s future.
3. Prevention of Major Issues
Old or dirty fluid can cause overheating or slipping issues. Regular maintenance saves you from all those headaches and issues.
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How to Maintain Your CVT Transmission
1. Follow Manufacturer Recommendations
The manufacturer’s manual is like a guidebook that contains all the information about the CVT transmission. Following it and reading it carefully is the safest and most effective solution for your CVT.
2. Monitor Fluid Condition
You should want to regularly check the color and smell of your car’s fluid. If the color of the fluid is dark or smells burnt, it is a sign that your transmission fluid is about to end and it is time to change the fluid. Get it changed immediately.
3. Avoid Overheating
Putting too much load on the vehicle or overheating of the vehicle can damage the components and parts of the CVT transmission. So always make sure that your car’s cooling system is working properly and well.
Conclusion
So, “Can you do a transmission flush on CVT?” The simple answer to this is that we and professional mechanics or manufacturers do not personally recommend you to flush your CVT transmission fluid at all. Following the manufacturer’s guidelines and following the drain and refill process is the best option and is also recommended. This will not only save the life of your CVT but will also give you peace of mind that you took proper care of your car.
Your car is not just a machine, it is your love and your companion. Taking care of it is your responsibility. Proper maintenance will save you from costly repairs and make your driving experience more enjoyable.
FAQs
Q1: How often should I change CVT fluid?
According to the manufacturers guide manual, CVT fluid should be changed every 30,000 to 60,000 miles.
Q2: Is a transmission flush harmful to the CVT?
Yes, high-pressure flushing can damage sensitive parts and components of CVT (Continuous Variable Transmission), which can lead to costly repairs.
Q3: Is it safe to replace CVT fluid yourself?
If you know the proper process to replace CVT fluid yourself, you can do it yourself. But if you are not sure that you don’t know the process, it is always better to seek help from a professional mechanic.