You are hereHome | 1987-2017 Jeep Wrangler Automatic Transmission Fluid and Filter Change Show All Haynes Digital Online Manuals are currently 50% off. They feature everything you love about our books in an instantly accessible digital online form, that you can use via any device with an internet connection. This page is taken directly from our online manual 50030 covering all 1987-2017 Jeep Wrangler models with 4 cylinder, V6, and inline 6 cylinder engines. The 3 speed Torqueflite 904/30RH and 999/32RH, 4 speed Ultradrive 42RLE, and 5 speed NAG1/5G-Tronic are very different transmissions, but they are similar in all having a pan on the bottom with a filter inside of it. We recommend changing the fluid after approximately 30,000 miles or 2 years.
Note: On the Ultradrive 42RLE transmission, take notice of the pan bolt that has a sealant patch on it. Set aside this bolt for reuse and mark the bolt hole that you removed it from, typically the second from the front on the left side.
The automatic transmission fluid filter on earlier 3 and 4-speed models is held in place by three screws. On later 5-speed NAG1 models the filter pulls straight out of the valve body.
Note: To check the transmission fluid
level on 2012 and later models with the NAG1 transmission, and models with the 42RLE transmission but no dipstick, a special dipstick (part no. 9336A) will be required. It can be purchased from many auto parts stores, or online. A tool can be fabricated from a wire coat hanger or similar; it must be long enough to go into the dipstick/filler tube and contact the bottom of the transmission fluid pan without falling in. On models with a dipstick, it will be near the firewall on the driver's side. On models without a dipstick, remove this cap from the filler tube and check the fluid level with tool no. 9336A or equivalent. Automatic transmission fluid level-to-temperature chart - later models with Ultradrive 42RLE 4-speed automatic transmission and no dipstick. Measurement taken from bottom of pan/end of tool. (click to enlarge) Automatic transmission fluid level-to-temperature chart - 2012 and up 5-speed NAG1 automatic transmission. Measurement taken from bottom of pan/end of tool. (click to enlarge)
This video is a general overview of changing the transmission fluid on the typical vehicle. Much of it applies to the Jeep Wrangler, no matter if you have a 3, 4 or 5-speed automatic transmission, but it is meant merely as a supplement to the above instructions. Recommended for you
What type of transmission fluid does a 2008 Jeep Wrangler take?Castrol - Transmax ATF+4® Automatic Transmission Fluid 1 Quart (Part No. 15A9FA)
How many quarts of transmission fluid does a Jeep Wrangler take?Expect to need about 4 quarts, but do not overfill. With the transmission in Park and the parking brake set, run the engine at a fast idle for a minute, but don't race it.
What kind of transmission fluid does a 2017 Jeep Wrangler take?Valvoline - ATF+4® Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No. 822348)
How much transmission fluid does a 2014 Jeep Wrangler take?A 2014 Jeep Wrangler Unlimited transmission flush also uses about 10 quarts of fluid to completely clean and flush out the system.
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