Don't Miss Out: How To Replace CVT Transmission Fluid And Save Money!

At a Glance

Start the engine and let it run for a few minutes to warm up the transmission fluid.
If the fluid is dark, burnt, or contains metal particles, it’s a sign that the transmission is experiencing wear.
Using a funnel, carefully pour the new CVT transmission fluid into the fill hole until the fluid begins to flow out of the fill hole.

The CVT, or Continuously Variable Transmission, is becoming increasingly popular in modern vehicles due to its smooth operation and fuel efficiency. However, like any other transmission, CVTs require regular maintenance, including fluid changes. Knowing how to replace CVT transmission fluid is essential for keeping your vehicle running smoothly and preventing costly repairs down the line. This comprehensive guide will walk you through the process step-by-step, providing all the information you need to tackle this task confidently.

Understanding CVT Transmission Fluid

CVT transmission fluid is a specialized fluid designed to lubricate and cool the transmission’s components. It also plays a crucial role in transmitting power from the engine to the wheels. Unlike traditional automatic transmission fluid, CVT fluid is formulated to withstand the high pressures and temperatures generated by the continuously variable transmission.

Why Replace CVT Transmission Fluid?

Over time, CVT transmission fluid breaks down and loses its lubricating properties. This can lead to:

Reduced Transmission Efficiency: The fluid’s viscosity increases, leading to sluggish acceleration and decreased fuel economy.
Increased Wear and Tear: The worn-out fluid can cause excessive friction within the transmission, leading to premature wear on components.
Transmission Failure: In severe cases, neglecting fluid changes can result in complete transmission failure, requiring expensive repairs or replacement.

How Often Should You Replace CVT Transmission Fluid?

The recommended fluid change interval for CVTs varies depending on the vehicle manufacturer and driving conditions. However, a general guideline is to replace the fluid every 30,000 to 60,000 miles. It’s best to consult your owner’s manual for specific recommendations for your vehicle.

Necessary Tools and Materials

Before you begin, gather the following materials and tools:

New CVT Transmission Fluid: Ensure you purchase the correct type of fluid specified in your owner’s manual.
Fluid Drain Pan: A large container to catch the old fluid.
Torque Wrench: For tightening bolts and nuts to the correct specifications.
Jack and Jack Stands: For safely lifting the vehicle.
Wrench Set: To loosen and tighten bolts and nuts.
Funnel: For transferring new fluid into the transmission.
Gloves: To protect your hands from the hot fluid.
Clean Rags: For cleaning up spills and drips.

Step-by-Step Guide to Replacing CVT Transmission Fluid

1. Prepare the Work Area:

Find a safe and level surface to work on.
Ensure the vehicle is parked on a firm surface and the parking brake is engaged.
Have all necessary tools and materials within reach.

2. Warm Up the Transmission:

Start the engine and let it run for a few minutes to warm up the transmission fluid. This will help it drain more easily.

3. Locate the Transmission Drain Plug:

Refer to your owner’s manual for the exact location of the drain plug. It’s usually located on the bottom of the transmission housing.

4. Drain the Old Fluid:

Place the drain pan under the drain plug.
Use a wrench to loosen the drain plug and allow the old fluid to drain.
Be careful as the fluid will be hot.

5. Remove the Fill Plug:

Locate the fill plug, which is usually located on the side of the transmission housing.
Remove the fill plug with a wrench.

6. Inspect the Fluid:

Examine the old fluid for signs of contamination or discoloration.
If the fluid is dark, burnt, or contains metal particles, it’s a sign that the transmission is experiencing wear.

7. Reinstall the Drain Plug:

Clean the drain plug and the threads of the drain hole.
Reinstall the drain plug and tighten it to the specified torque.

8. Fill the Transmission with New Fluid:

Using a funnel, carefully pour the new CVT transmission fluid into the fill hole until the fluid begins to flow out of the fill hole.
This indicates that the transmission is full.

9. Reinstall the Fill Plug:

Clean the fill plug and the threads of the fill hole.
Reinstall the fill plug and tighten it to the specified torque.

10. Start the Engine:

Start the engine and let it run for a few minutes.
Check for leaks around the drain and fill plugs.

11. Re-Check the Fluid Level:

After the engine has been running for a few minutes, re-check the fluid level.
If necessary, add more fluid until it reaches the correct level.

12. Final Inspection and Cleanup:

Inspect the transmission for any leaks or signs of fluid contamination.
Clean up any spills or drips.

Important Considerations

Fluid Type: Always use the correct type of CVT transmission fluid specified by your vehicle manufacturer. Using the wrong fluid can damage the transmission.
Safety: Be careful when handling hot fluids and use gloves to protect your hands.
Torque Specifications: Always tighten bolts and nuts to the specified torque to prevent leaks and damage.
Professional Assistance: If you are not comfortable performing this procedure yourself, it’s best to seek professional assistance from a qualified mechanic.

Beyond the Basics: Advanced CVT Maintenance

While a fluid change is crucial, it’s not the only aspect of CVT maintenance. Here are some additional tips:

Regular Inspections: Check the fluid level regularly and inspect for any leaks or signs of contamination.
Driving Habits: Avoid harsh acceleration and braking, as these can put extra stress on the transmission.
Filter Replacement: Some CVTs have a filter that needs to be replaced at regular intervals. Consult your owner’s manual for specific recommendations.

The Final Chapter: Ensuring Longevity

Taking Care of Your CVT

By following these steps and incorporating these additional tips, you can help ensure the longevity of your CVT transmission. Remember, regular maintenance is crucial for keeping your vehicle running smoothly and preventing costly repairs down the line.

Don’t Miss Out: How to Replace CVT Transmission Fluid and Save Money!