Jeep JL Transmission Fluid

Jeep Wrangler JL

The jeep Wrangler JL was introduced in 2017 and is available in a 2 or 4 door configurations like previous JK models.

Also like the past Wrangler models, the JL makes for a great daily driver and weekend warrior when taken off-road.

The Wrangler JL comes equipped with 2 different automatic transmission options including the 850RE or ZF 8HP75.

Learn more about what transmission fluid is best for your Wrangler JL and how to properly maintain your transmission.

What Type of Fluid Does a Jeep JL Use?

Depending on the transmission the comes in you Jeep JL, the transmission fluid is pretty consistent. Since the Jeep JL has a  transmission, it will take Mopar ATF+4 transmission fluid. ATF+4 is common in most Mopar equipped vehicles that are 4wd. 

Jeep JL Transmission Fluid Capacity

The fluid capacity of your Jeep JL depends on what automatic transmission you have. In most cases, your Jeep JL’s transmission fluid capacity is anywhere from 10-12 quarts. 

Here are the capacities by transmission that come in a Jeep JL 


How To Check Jeep JL Transmission Fluid

Checking transmission fluid in a Jeep JL 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 Jeep JL

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

Jeep JL Transmission Fluid Change

The beauty of the Jeep JL like most Jeeps is that it is DIY friendly and easy to maintain.  The Jeep JL 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 Jeep JL.

Jeep JL Transmission Fluid Temperature 

The ideal transmission temperature for your Jeep JL 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 expent your Jeep JL’s transmission to last at a given temperature.

Transmission Fluid Temperature Chart

Get A Transmission Cooler For Your Jeep JL

Looking to lower the transmission fluid in your Jeep JL? 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 Jeep JL to keep transmission temperatures down.

Looking For More Wrangler Transmission Cooler Options?

white Jeep Wrangler Rubicon driving over rocksView our Jeep Wrangler transmission cooler guide

See All Wrangler Transmission Coolers