How to Check the Fluid in a Jeep Wrangler With a Manual Transmission

by Erin Stewart

Jeep Wrangler manual transmissions are durable. However, checking the transmission fluid in your Jeep Wrangler is an essential part of proper maintenance. If you let the transmission fluid in your vehicle get too low, it can cause major damage and could potentially result in a ruined transmission. Follow these steps to make sure your transmission fluid is at the proper level.

How to Check the Fluid in a Jeep Wrangler with a Manual Transmission

Step 1

Crawl under your Jeep Wrangler and locate the transmission. You'll find a bolt about midway up on the transmission.

Step 2

Choose the open-end box wrench that fits that bolt and take the bolt out.

Step 3

After you remove the bolt, fluid may come out of the hole where the bolt was located. This, of course, indicates that the fluid is full.

Step 4

If no fluid comes out after you take out the bolt, put your pinky finger in the hole and extend it downward. If the fluid is at the correct level, you should be able to touch it with your pinky.

Step 5

If your transmission is low on fluid, you need to add more. New transmission fluid is available at any auto parts store.

If your transmission is extremely low on fluid or completely out, it needs to be serviced immediately. A transmission service technician will drain and replace the transmission fluid.


  • While you are under your Jeep Wrangler, it's a good time to check for other leaks, such as oil leaks or fluid escaping from the differential or the transfer case. If you take your Jeep in regularly to have the oil changed, you can also have the service technician check the transmission fluid levels for you.


  • Check the fluid in your Jeep Wrangler manual transmission every 3,000 miles.

Items you will need

  • Set of open-end box wrenches

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