2017 GMC Sierra Transmission Fluid Capacity: A Guide to Proper Maintenance

2017 GMC Sierra Transmission Fluid Capacity

When it comes to maintaining your 2017 GMC Sierra, one crucial aspect that often gets overlooked is the transmission fluid. Properly maintaining the transmission fluid is essential for the smooth operation and longevity of your vehicle’s transmission. In this article, we will discuss the transmission fluid capacity for the 2017 GMC Sierra and provide you with all the information you need to keep your truck running smoothly.

Transmission Fluid Capacity and Type

Before we dive into the details, let’s start with the basics. The 2017 GMC Sierra comes with different engine options, and each engine has a specific transmission fluid capacity. Here is a breakdown of the transmission fluid capacity for each engine:

Engine Transmission Fluid Capacity (Quarts) Transmission Fluid Capacity (Liters)
4.3L V6 4.5 quarts 4.3 liters
5.3L V8 11.2 quarts 10.6 liters
6.2L V8 11.2 quarts 10.6 liters

Now that you know the transmission fluid capacity for your specific engine, let’s talk about the type of transmission fluid you should use. The 2017 GMC Sierra requires Dexron VI automatic transmission fluid. It is essential to use the recommended fluid to ensure optimal performance and avoid potential damage to your transmission.

How to Check and Add Transmission Fluid

Checking and adding transmission fluid to your 2017 GMC Sierra is a relatively straightforward process. Here are the steps you need to follow:

  1. Start your vehicle and let the engine warm up to operating temperature.
  2. Locate the transmission dipstick, which is usually labeled and located near the back of the engine bay.
  3. With the engine running and the transmission in park, pull out the dipstick and wipe it clean with a lint-free cloth or paper towel.
  4. Reinsert the dipstick fully and then pull it out again.
  5. Check the fluid level on the dipstick. It should be within the “Full” or “Hot” range.
  6. If the fluid level is low, use a funnel to add the recommended transmission fluid slowly. Be careful not to overfill.
  7. Recheck the fluid level and add more if necessary.
  8. Once the fluid level is correct, securely reinsert the dipstick.

Remember, it is crucial to follow the manufacturer’s guidelines and recommendations when checking and adding transmission fluid. If you are unsure or uncomfortable performing this task yourself, it is always best to consult a professional mechanic.


Now that you have all the information about the transmission fluid capacity for your 2017 GMC Sierra, you can ensure that your truck’s transmission stays in excellent condition. Regularly checking and maintaining the proper fluid level will contribute to the overall performance and longevity of your vehicle. Remember, using the recommended transmission fluid and following the correct procedures are essential for keeping your truck running smoothly. Take care of your transmission, and it will take care of you on the road.

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