I hear a loud noise when I take my Jeep out of four wheel drive . It kinda sounds like I hit a speed bump at 30mph. It does not happen as soon as I shift into two wheel drive. It happens when the four wheel drive actually disengauges. It's just a single loud thump then everything is normal. Its an 03. Any ideas?

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2006 65th Edition
2003 Freedom Edition

do you have a NP231 or an NP242
The 231 is not happy if you do not go to neutral before you shift to 2wd
you can shift the 242 in Drive but I found it does not really like that to much

What you are 95% hearing is the drive train unloading or getting out of a bind
it really helps to relive the bind before you shift to 2wd
This is not a huge issue unless you are on dry ground ,some times it can get stuck ,mostly the 231

stay off the gas when moving into and out of 4x4 as well... more details are needed!

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02 Liberty Limited
Silver Outside & Taupe Inside
Heated Seats, Sunroof & Infinity speakers
USA Spec I-Pod adaptor, Mopar Sub, Garmin GPS
Tow Package, Select-Trac
Rock Rails, Tow Hooks

go out tomorrow try it and when you shift out of 4x4 take your foot off the gas like Seelve said. if it still doesn't shift out tap the gas a little bit and then let off it again. You should be fine after that. Also, if you are on dry pavement when you do this be sure you traveling straight and not coming up on a bend in the road. IF all that doesn't work, shift into N. If it still doesn't work there's a bigger issue.

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'04 Liberty Limited - 245/70/16 Firestone Destination AT's, Mopar tow hooks, Draw-Tite Class IV hitch, Skid Row Engine & Transmission Skids, Mopar T-Case & Gas Tank Skids, Extended Breather Tubes, Red Top Optima, Sylvania Silver Star head lights, Hella 500FF bumper mounted driving lights