Chevrolet Express Transmission Fluid

Chevy Express Van

The Chevy Express is a line of full-size vans produced by the Chevrolet division of General Motors.

These vans are typically used for commercial purposes, such as transporting cargo or passengers. They are available in various configurations, including cargo van, passenger van, and cutaway van, and can seat up to 15 passengers.

The Chevy Express is known for its durability and versatility, making it a popular choice among businesses and organizations that require a reliable and spacious vehicle for their operations.

In order to keep your Chevy Express going from job to job, it’s important to make sure your transmission is in good shape.  

Learn how to maintain your Chevy Express van’s transmission fluid to keep your workhorse going for as long as possible!

What Type of Fluid Does a Chevrolet Express Use?

Depending on the transmission the comes in your Chevrolet Express, the transmission fluid is pretty consistent. Since the Chevrolet Express has a 4l60e, 4l80e, 6l80, or 8l90 transmission, it will take either Dexron 3 or Dexron 6

However, if you have a Duramax powered van, it will come equipped with an Allison 1000 transmission, which uses TranSynd transmission fluid.

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. 

Chevrolet Express Transmission Fluid Capacity

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

Here are the capacities by transmission that come in a Chevrolet Express 

  • 4l60e: 11.5 quarts
  • 4l80e: 14 quarts
  • 6l80e: 11-13 quarts
  • 8l90: 11.5 quarts

How To Check Chevrolet Express Transmission Fluid

Checking transmission fluid in a Chevrolet Express 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 Chevrolet Express

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

Chevrolet Express Transmission Fluid Change

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

How Often Should You Change Transmission Fluid In A Chevrolet Express?

The common automatic transmission fluid change interval for the Chevrolet Express 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 Chevrolet Express 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


Chevrolet Express Transmission Fluid Temperature 

The ideal transmission temperature for your Chevrolet Express 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 Chevrolet Express’s transmission to last at a given temperature.

Transmission Fluid Temperature Chart

Get A Transmission Cooler For Your Chevrolet Express

Looking to lower the transmission fluid in your Chevrolet Express? 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 Chevrolet Express to keep transmission temperatures down.