Saturday, June 15, 2019

How to Check the Jeep Transmission Oil Level




The NAG1 transmission is used by Chrysler in many models. Searching the internet you'll find a good amount of information on that transmission, and how to check the oil level.

It seems a little tricky at first, but it is not. One thing you need is a dipstick. One that measures the level from the bottom of the oil pan. Stick it into the dipstick tube as far as possible, while the engine is running, and the shifter in P.

There is no way around it. Look for a dealer dipstick on the internet, or go to a local auto parts store. It is possible to find one for a few dollars. The dipstick should come with a manual and a trans fluid level chart. Here is an example:



As for the temperature, you want to measure the oil level, when the trans fluid is hot. Why would you not measure at the temperature at which the transmission is used most of the time, the operating temperature. That temp maybe different from car to car, but after driving for about 15 minutes it should reach that temperature. Unless it is winter, and very cold in the area you drive. At that point it may take longer. If you uncertain you hopefully have an instrument panel, a board computer that shows that temperature.
It can only be read, when the transmission is in gear. D works best. Don't forget to shift back to P once you read the temp.


Good luck to you, and comment with questions, if you like!



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