2018 Chevy Tahoe Transmission Fluid Capacity: A Guide to Maintenance

2018 Chevy Tahoe Transmission Fluid Capacity

When it comes to maintaining your 2018 Chevy Tahoe, one important aspect to consider is the transmission fluid. The transmission fluid plays a vital role in keeping your vehicle’s transmission running smoothly and efficiently. In this article, we will discuss the transmission fluid capacity for the 2018 Chevy Tahoe, along with some other relevant information.

Transmission Fluid Capacity and Type

Knowing the correct transmission fluid capacity for your Chevy Tahoe is essential to ensure optimal performance and avoid potential issues. Here is a table outlining the transmission fluid capacity in both quarts and liters:

Transmission Fluid Capacity Quarts Liters
6-Speed Automatic Transmission (MYC) 12.9 12.2
10-Speed Automatic Transmission (MQB) 11.2 10.6

It is crucial to use the correct type of transmission fluid for your Chevy Tahoe. For the 6-speed automatic transmission (MYC), use Dexron VI automatic transmission fluid. For the 10-speed automatic transmission (MQB), use Dexron HP automatic transmission fluid. Using the wrong type of fluid can lead to transmission damage and costly repairs.

Transmission Fluid Replacement

Regularly replacing the transmission fluid is essential for maintaining the longevity and performance of your Chevy Tahoe’s transmission. Here are the steps to follow for a transmission fluid replacement:

  1. Ensure your vehicle is parked on a level surface and the engine is cool.
  2. Locate the transmission fluid dipstick, usually located near the back of the engine bay.
  3. Using a clean cloth or paper towel, wipe the dipstick clean.
  4. Reinsert the dipstick fully and then remove it again to check the fluid level.
  5. If the fluid level is below the “Add” mark, you will need to add transmission fluid.
  6. Using a funnel, carefully pour the recommended transmission fluid into the dipstick tube.
  7. Check the fluid level again to ensure it is within the acceptable range.
  8. Replace the dipstick securely.

It is important to follow the specific instructions outlined in your vehicle’s owner’s manual for the transmission fluid replacement process. If you are unsure or uncomfortable performing this task yourself, it is recommended to seek professional assistance.

Safety Considerations

When working with transmission fluid, it is crucial to prioritize safety. Here are some safety considerations to keep in mind:

  • Always wear protective gloves and eyewear to prevent any contact with the fluid.
  • Ensure the vehicle is parked securely with the parking brake engaged.
  • Avoid smoking or open flames in the vicinity, as transmission fluid is flammable.
  • Dispose of used transmission fluid properly, following local regulations.

By following these safety precautions, you can minimize the risk of accidents or injuries during the transmission fluid replacement process.


Understanding the transmission fluid capacity for your 2018 Chevy Tahoe is essential for proper maintenance. By using the correct type and amount of transmission fluid, you can ensure the longevity and optimal performance of your vehicle’s transmission. Remember to follow the recommended steps for transmission fluid replacement and prioritize safety throughout the process. Regular maintenance and care will help keep your Chevy Tahoe running smoothly for years to come.

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