What Type of Fluid Does a GMC Yukon Use?
Depending on the transmission the comes in your GMC Yukon, the transmission fluid is pretty consistent. Since the GMC Yukon has a 4l60e, 4l80e, 6l80, or 8l90 transmission, it will take either Dexron 3 or Dexron 6.
The great thing about Dexron transmission fluid is that you can use Dex VI in older GM transmissions that call for Dex III.
These transmission fluids are common in most GM vehicles.
GMC Yukon Transmission Fluid Capacity
The fluid capacity of your GMC Yukon depends on what automatic transmission you have. In most cases, your GMC Yukon’s transmission fluid capacity is anywhere from 10-14 quarts.
Here are the capacities by transmission that come in a GMC Yukon
- 4l60e: 11.5 quarts
- 4l80e: 14 quarts
- 6l80e: 11-13 quarts
- 8l90: 11.5 quarts
How To Check GMC Yukon Transmission Fluid
Checking transmission fluid in a GMC Yukon is simple and quick to do. It’s always recommended that you check transmission fluid when the vehicle is on and in park on a flat surface.
How To Add Transmission Fluid To GMC Yukon
Adding transmission fluid to your GMC Yukon is a done by filling transmission fluid through the transmission dipstick tube, which is located on the passenger side near the firewall.
When adding transmission fluid to your GMC Yukon, it is important to make sure you have the correct level, as mentioned before.
GMC Yukon Transmission Fluid Change
The beauty of the GMC Yukon like most GM vehicles is that it is easy to maintain, making them great vehicles for the average DIYer. The GMC Yukon was designed for ease of use, making transmission fluid changes an easy task for the average weekend mechanic.
This video below shows step by step how to change the transmission fluid on your GMC Yukon.
How Often Should You Change Transmission Fluid In A GMC Yukon?
The common automatic transmission fluid change interval for the GMC Yukon is every 30,000-60,000 miles depending on condition of the fluid.
For “severe” use such as towing often, hauling heavy weight, or sitting in stop and go traffic, it’s better to change the fluid every 30-45,000 miles.
The best indicator to determine how often to change transmission fluid in your GMC Yukon is by looking at the transmission fluid every so often to see what condition it’s in. In the fluid color chart below you will see how transmission fluid gets darker over time die to wear and overheating.
GMC Yukon Transmission Fluid Temperature
The ideal transmission temperature for your GMC Yukon when fully warm is in the 150 – 180 degree range. This is a safe transmission temperature that will allow for tens of thousands of miles of fluid life.
The transmission temperature chart below shows how long you can expect your GMC Yukon’s transmission to last at a given temperature.
Get A Transmission Cooler For Your GMC Yukon
Looking to lower the transmission fluid in your GMC Yukon? Install a transmission cooler! Our helpful transmission cooler buyer’s guide gives you all the information you need to install a transmission cooler and find the right one for your needs.
In our recommendation, a medium sized plate and fin or stacked plate style cooler would be best for your GMC Yukon to keep transmission temperatures down.