GMC Jimmy Transmission Fluid

GMC Jimmy

The GMC Jimmy is a mid-sized SUV that was produced by General Motors from 1970 to 2005. It was known for its rugged design and reliable performance, making it popular for off-road adventures and everyday use. 

The Jimmy was available in both two- and four-door models, and came equipped with a variety of engine options including V6 and V8 options. It also featured a spacious interior and ample storage space, making it a versatile vehicle for families and adventurers alike.

What Type of Fluid Does a GMC Jimmy Use?

Depending on the transmission the comes in your GMC Jimmy, the transmission fluid is pretty consistent. Since the GMC Jimmy has a 4l60e 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 Jimmy Transmission Fluid Capacity

The fluid capacity of your GMC Jimmy depends on what automatic transmission you have. In most cases, your GMC Jimmy’s transmission fluid capacity is anywhere from 10-14 quarts. 

Here are the capacities by transmission that come in a GMC Jimmy 

  • 4l60e: 11.5 quarts

How To Check GMC Jimmy Transmission Fluid

Checking transmission fluid in a GMC Jimmy 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.

transmission fluid on dipstick showing correct levels

How To Add Transmission Fluid To GMC Jimmy

Adding transmission fluid to your GMC Jimmy 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 Jimmy, it is important to make sure you have the correct level, as mentioned before. 

GMC Jimmy Transmission Fluid Change

The beauty of the GMC Jimmy like most GM vehicles is that it is easy to maintain, making them great vehicles for the average DIYer.  The GMC Jimmy 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 Jimmy.

How Often Should You Change Transmission Fluid In A GMC Jimmy?

The common automatic transmission fluid change interval for the GMC Jimmy 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 Jimmy 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. 

Transmission Fluid Color Comparison chart


GMC Jimmy Transmission Fluid Temperature 

The ideal transmission temperature for your GMC Jimmy 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 Jimmy’s transmission to last at a given temperature.

Transmission Fluid Temperature Chart

Get A Transmission Cooler For Your GMC Jimmy

Looking to lower the transmission fluid in your GMC Jimmy? 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 Jimmy to keep transmission temperatures down.