Today, Steve and I are going to walk you through the process of draining the transfer case fluid and replacing it with new fluid in a 2012 Jeep Wrangler Unlimited equipped with a 3.6 engine.
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We’ll start by using a 10 millimeter hex head to drain the old fluid, and then utilize a suction gun to refill it with approximately two and a half quarts of new fluid.
It’s essential to remove the shield to access the transfer case and ensure the top plug can be removed before draining the bottom plug to avoid any complications.
This is a relatively straightforward process that can even be done at home with the vehicle placed on ramps for easy access.
When refilling the transfer case, it’s crucial to use synthetic automatic transmission fluid, as it offers better heat dissipation and longevity compared to conventional fluids.
Once the fluid starts to overflow from the top hole, the transfer case is adequately filled, and the plugs can be securely tightened without over-torquing them.
With the fluid change completed, it’s just a matter of reattaching the shield and tightening the bolts before you’re good to go.
If you have any questions about this process, feel free to leave a comment, and we’ll be sure to get back to you. Thanks for watching!
What type of fluid is used in the 2012 Jeep Wrangler Unlimited transfer case?
The transfer case fluid used is automatic transmission fluid, specifically synthetic fluid.
How much fluid is required for the transfer case?
Approximately two and a half quarts of fluid is required for the transfer case.
What precautions should be taken when draining and refilling the transfer case fluid?
Before draining, it’s recommended to remove the top plug to ensure it comes out easily. When refilling, fill the transfer case until the fluid starts coming out of the top hole. When tightening the plugs, avoid over-tightening as they are tapered plugs.
What are the benefits of using synthetic fluid in the transfer case?
Synthetic fluid can make the clutches in the transmission around 20 to 40 degrees cooler, providing better heat dissipation. It also lasts longer than regular fluid, contributing to improved transmission health.