The Jeep Wrangler TJ is a classic in the Jeep lineup and is by far one of the most popular SUV’s of all time. THe TJ was the more modern and updated version of the YJ, and was designed to be not only capable off-road, but a great daily driver.
The beauty of the Wrangler TJ is that it uses the extremely reliable Jeep 4.0L or 2.4L engine paired with either a 30RH, 32RH,or 42RLE automatic transmission with a number of manual options available as well.
This iconic Jeep is still seen on reads daily, so if you have one, keep it going longer by keeping its transmission in good shape. Learn more about Jeep Wrangler Tj transmission fluid and maintenance
What Type of Fluid Does a Jeep TJ Use?
Depening on the transmission the comes in you Jeep TJ, the transmission fluid is pretty consistent. Since the Jeep TJ has a A904 / 30RH transmission, it will take Mopar ATF+4 transmission fluid. ATF+4 is common in most Mopar equipped vehicles that are 4wd.
Jeep TJ Transmission Fluid Capacity
The fluid capacity of your Jeep TJ depends on what automatic transmission you have. In most cases, your Jeep TJ’s transmission fluid capacity is anywhere from 8-10 quarts depending on if you have a factory or aftermarket pan.
Here are the capacities by transmission that come in a Jeep TJ
- 30RH – 8.6 quarts dry fill / 4 quarts for pan drop
How To Check Jeep TJ Transmission Fluid
Checking transmission fluid in a Jeep TJ 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 Jeep TJ
Adding transmission fluid to your Jeep TJ 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 TJ, it is important to make sure you have the correct level, as mentioned before.
Jeep TJ Transmission Fluid Change
The beauty of the Jeep TJ like most Jeeps is that it is DIY friendly and easy to maintain. The Jeep TJ 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 TJ.
Jeep TJ Transmission Fluid Temperature
The ideal transmission temperature for your Jeep TJ 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 TJ’s transmission to last at a given temperature.
Get A Transmission Cooler For Your Jeep TJ
Looking to lower the transmission fluid in your Jeep TJ? 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 TJ to keep transmission temperatures down.