2007 Trailblazer Transmission Fluid Capacity: A Guide to Maintenance

2007 Trailblazer Transmission Fluid Capacity

When it comes to maintaining your 2007 Trailblazer, one important aspect you shouldn’t overlook is the transmission fluid. Regularly checking and changing the transmission fluid is crucial to keep your vehicle running smoothly and avoid costly repairs down the road. In this article, we will dive into the transmission fluid capacity for the 2007 Trailblazer and provide you with all the information you need to keep your transmission in top shape.

Transmission Fluid Capacity and Type

Before we get into the nitty-gritty details, let’s start with the basics. The 2007 Trailblazer requires a specific amount of transmission fluid to operate optimally. The transmission fluid capacity for this vehicle is as follows:

Transmission Fluid Capacity (Quarts) Capacity (Liters)
Automatic Transmission – 4-Speed 12.9 12.2
Automatic Transmission – 5-Speed 13.1 12.4

Now that you know the capacity, it’s essential to use the right type of transmission fluid. For the 2007 Trailblazer, General Motors recommends using Dexron VI automatic transmission fluid. This fluid is specifically formulated to meet the requirements of your vehicle’s transmission and ensure optimal performance.

Changing the Transmission Fluid

Changing the transmission fluid in your 2007 Trailblazer is a relatively straightforward process. However, it’s important to exercise caution and follow these steps to ensure a successful fluid change:

  1. Park your Trailblazer on a level surface and engage the parking brake.
  2. Locate the transmission fluid dipstick, usually located near the back of the engine bay.
  3. Using a funnel, remove the dipstick and set it aside.
  4. Place a drain pan underneath the transmission pan to catch the old fluid.
  5. Remove the transmission pan bolts, starting from one corner and working your way around.
  6. Carefully lower the pan, allowing the fluid to drain into the drain pan.
  7. Once all the fluid has drained, clean the pan and replace the transmission filter if necessary.
  8. Reinstall the pan, ensuring it is properly aligned, and tighten the bolts securely.
  9. Using a funnel, add the recommended amount of transmission fluid through the dipstick tube.
  10. Start the engine and let it idle for a few minutes.
  11. Check the fluid level using the dipstick and add more if necessary.
  12. Replace the dipstick and close the hood.

Remember, safety is paramount when working with any vehicle maintenance task. Always wear protective gloves and eyewear, and exercise caution to avoid burns from hot components.


Now that you know the transmission fluid capacity for your 2007 Trailblazer, you can confidently maintain your vehicle’s transmission system. Regularly checking and changing the transmission fluid will help prolong the life of your transmission and keep your Trailblazer running smoothly for years to come. Remember to use the recommended Dexron VI fluid and follow the proper procedures when performing a fluid change. By taking care of your transmission, you’ll be hitting the road with confidence and avoiding any unnecessary transmission troubles.

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