Maintaining the correct transmission fluid level in your GMC Acadia is crucial for optimal performance and longevity. Using the wrong amount can lead to serious transmission issues, including overheating, gear slipping, and premature failure. This comprehensive guide covers everything you need to know about GMC Acadia transmission fluid capacity across all model years, recommended fluid types, and proper maintenance procedures.
GMC Acadia Transmission Fluid Capacity by Model Year
The transmission fluid capacity for your GMC Acadia varies depending on the model year and transmission type. Below is a comprehensive breakdown of fluid capacities for different Acadia generations.
| Model Year | Transmission Type | Fluid Capacity (Initial Fill) | Fluid Capacity (Drain & Refill) |
| 2007-2012 | 6-speed automatic (6T75) | 9.5 quarts (9.0 liters) | 4.2 quarts (4.0 liters) |
| 2013-2016 | 6-speed automatic (6T70) | 9.2 quarts (8.7 liters) | 4.0 quarts (3.8 liters) |
| 2017-2019 | 6-speed automatic (6T50) | 9.0 quarts (8.5 liters) | 4.0 quarts (3.8 liters) |
| 2017-2019 | 9-speed automatic (9T65) | 9.5 quarts (9.0 liters) | 4.5 quarts (4.3 liters) |
| 2020-2024 | 9-speed automatic (9T65) | 9.8 quarts (9.3 liters) | 4.5 quarts (4.3 liters) |
Note: The “Initial Fill” capacity refers to a completely empty transmission system, typically only relevant during transmission rebuilds or replacements. The “Drain & Refill” capacity is what you’ll need for routine maintenance.
Recommended Transmission Fluid Type for GMC Acadia
Using the correct transmission fluid type is just as important as maintaining the proper fluid level. GMC specifies particular fluid formulations for the Acadia’s transmission systems.
| Model Years | Recommended Fluid Type | GMC Part Number |
| 2007-2016 | DEXRON-VI Automatic Transmission Fluid (check price) | 19417577 |
| 2017-2024 (6-speed) | DEXRON-VI Automatic Transmission Fluid (check price) | 19417577 |
| 2017-2024 (9-speed) | DEXRON-HP Automatic Transmission Fluid (check price) | 19352619 |
Important: Using incorrect transmission fluid can cause shifting problems, overheating, and premature transmission failure. Always verify the correct fluid type in your owner’s manual.
How to Check Transmission Fluid in GMC Acadia
Regularly checking your transmission fluid level helps prevent potential transmission problems. Follow these steps to properly check the transmission fluid in your GMC Acadia:
- Park your vehicle on level ground and start the engine.
- Allow the engine to warm up until the transmission reaches normal operating temperature (usually after 10-15 minutes of driving).
- With the engine still running, shift through all gears, pausing briefly in each position.
- Return to Park position and let the engine idle.
- Locate the transmission dipstick (typically has a red or pink handle).
- Remove the dipstick, wipe it clean with a lint-free cloth, and reinsert it fully.
- Remove the dipstick again and check the fluid level. It should be between the MIN and MAX marks.
- Also check the fluid color—it should be red or pink, not brown or black.
Note: Some newer GMC Acadia models (particularly 2017+) may have sealed transmissions without dipsticks. These require special procedures at a dealership or professional shop to check fluid levels.
How to Add Transmission Fluid to GMC Acadia
If your transmission fluid level is low, follow these steps to add the correct amount:
- Ensure you have the correct transmission fluid type for your specific model year.
- Locate the transmission fluid fill tube where the dipstick is inserted.
- Use a clean funnel to avoid spills and contamination.
- Add fluid in small increments (about 1/4 quart at a time).
- After each addition, check the level with the dipstick.
- Continue until the fluid level reaches the “HOT” range on the dipstick.
- Be careful not to overfill—this can cause foaming, overheating, and transmission damage.
GMC Acadia Transmission Fluid Drain and Refill Procedure
Changing your transmission fluid at regular intervals helps maintain optimal transmission performance. Here’s how to perform a basic drain and refill:
- Drive the vehicle to warm up the transmission fluid (makes it flow better).
- Lift and safely secure the vehicle using jack stands or a lift.
- Locate the transmission pan at the bottom of the transmission.
- Place a large drain pan (at least 5-quart capacity) under the transmission pan.
- Loosen the pan bolts gradually in a cross pattern, leaving a few bolts partially threaded.
- Carefully remove the remaining bolts, allowing the pan to tilt and drain the fluid.
- Remove the pan completely and dispose of the old fluid properly.
- Replace the transmission filter if accessible (may require additional steps).
- Clean the pan and pan gasket surface thoroughly.
- Install a new gasket or apply appropriate sealant.
- Reinstall the pan and tighten bolts in a cross pattern to specified torque.
- Add approximately 4-5 quarts of new transmission fluid through the dipstick tube.
- Start the engine and check for leaks.
- Check fluid level and add as needed to reach the proper level.
Note: This procedure only replaces about 40-50% of the total transmission fluid. A complete fluid exchange requires specialized equipment available at professional service centers.
Signs of Low Transmission Fluid in GMC Acadia
Recognizing the symptoms of low transmission fluid can help prevent serious transmission damage. Watch for these warning signs in your GMC Acadia:
Performance Issues
- Delayed or rough shifting between gears
- Transmission slipping (engine revs but vehicle doesn’t accelerate properly)
- Difficulty shifting into certain gears
- Unexpected shifts to neutral
- Hesitation when accelerating from a stop
Physical Symptoms
- Transmission overheating
- Burning smell from under the vehicle
- Transmission fluid leaks under the vehicle
- Unusual noises (whining, buzzing, or clunking)
- Illuminated check engine light or transmission warning light
If you notice any of these symptoms, check your transmission fluid level immediately. Continuing to drive with low transmission fluid can cause severe damage requiring costly repairs.
GMC Acadia Transmission Fluid Change Intervals
Following the manufacturer’s recommended maintenance schedule helps maximize transmission life. Here are the recommended transmission fluid change intervals for GMC Acadia models:
| Model Years | Normal Driving Conditions | Severe Driving Conditions |
| 2007-2012 | Every 100,000 miles | Every 45,000 miles |
| 2013-2016 | Every 100,000 miles | Every 45,000 miles |
| 2017-2024 | Every 100,000 miles | Every 50,000 miles |
Severe driving conditions include:
- Frequent towing or hauling heavy loads
- Driving in extremely hot (over 90°F) or cold (below 10°F) temperatures
- Frequent stop-and-go traffic
- Mountain driving or off-road use
- Commercial use or delivery service
Frequently Asked Questions About GMC Acadia Transmission Fluid
Can I use generic ATF in my GMC Acadia?
It’s not recommended to use generic ATF in your GMC Acadia. The transmission is designed to work with specific fluid formulations (DEXRON-VI or DEXRON-HP depending on model year). Using generic fluid may cause shifting problems, overheating, and premature transmission failure. Always use fluid that meets GMC specifications.
How much does a transmission fluid change cost for a GMC Acadia?
A basic transmission fluid drain and refill for a GMC Acadia typically costs between 0-0 at a service center. A complete fluid exchange using specialized equipment may cost 0-0. DIY costs are lower, usually -0 for fluid and a new filter, but require technical knowledge and proper tools.
Why is my GMC Acadia transmission fluid brown or black?
Transmission fluid should be red or pink when new. Brown or black fluid indicates oxidation and contamination from normal wear and heat exposure. Darkened fluid has reduced lubricating and cooling properties and should be changed promptly to prevent transmission damage.
Do newer GMC Acadia models have “lifetime” transmission fluid?
While some newer Acadia models are marketed with “lifetime” transmission fluid, most transmission specialists recommend changing the fluid every 50,000-100,000 miles regardless. “Lifetime” typically refers to the warranty period, not the actual vehicle lifespan. Regular fluid changes significantly extend transmission life beyond the warranty period.
What tools do I need to change GMC Acadia transmission fluid?
For a basic drain and refill, you’ll need: a jack and jack stands or ramps, drain pan (5+ quart capacity), socket set and ratchet, torque wrench, transmission pan gasket, transmission filter (if changing), funnel, and the correct transmission fluid. Some models may require special tools to access the filter.
Maintaining Your GMC Acadia’s Transmission
Proper maintenance of your GMC Acadia’s transmission fluid is essential for ensuring reliable performance and longevity. By following the manufacturer’s recommendations for fluid capacity, type, and change intervals, you can avoid costly transmission repairs and enjoy smooth operation for years to come.
Remember that while a basic drain and refill procedure is within reach of many DIY mechanics, a complete fluid exchange may require professional equipment. When in doubt, consult with a certified technician who specializes in GMC vehicles.
