I've been doing quite a bit of maintence lately on my jeep, differentials, oil, new wipers, ect. Just was wondering if it is a good idea to do change the t-case while I'm at it. And if so, what do I use? I have a 2001 so i believe that is the 242? I'm not sure!

 

Definitely a good idea. I just did mine the other day. It'll take about 2 qts of Dex III/Merc

 

Do you have Full time 4 wheel drive in addition to Part time 4 wheel drive? If so, then you have the NP242. If you have 2 High, 4 High, Neutral, 4 Low then you have the NP231. Both take ATF Dexron/Mercron. NP 231 takes a bit under 2 quarts, NP 242 takes a bit more than 2 quarts. Remove both drain and fill plugs. Drain out old fluid from bottom hole. Replace bottom plug. Fill until ATF runs out of fill hole(Upper hole).

 

Thank you very much sir. I will be doing this tomorrow before the big dinner!

 

What you're intending to do was a recommended service every 30,000 miles according to the factory.

 

I have a feeling it's a little overdue. I've owned it for 15,000 but I highly doubt the previous owner did it.

 

How are the other fluids? Factory recommended at 30,000 was diff, trans, transfer case, engine oil and filter, tune-up and throttle body cleaning.

 

In the past few days I have done both differentials, engine oil/filter, air filter, windshield washer fluid.. on the to-do list is the t-case, coolant flush (once I figure out how), and maybe the transmission..

 

Excellent plan. The trans can be done without pulling the pan since the AW4 has a metal screen in it. It's adviseable to replace the crush washer undeer the drain plug to avoid drips. Takes about 3.75 quarts of fluid.

 

Thanks man! I'll get under there and take a look and if I can't figure it out then I'll come back on here and try to find something with pictures ha

 

Easy. Just a plug.