While many may be concerned about big mechanical items going wrong — like the engine and transmission — the transfer case is also a critical component to keep an eye on in four-wheel-drive (4WD) and ...

It’s what makes a 4x4, well, a 4x4. It’s one of those critical components that most people rarely give a second thought to until they have a problem with it. Hands down, your vehicle’s transfer case ...

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The NP231 transfer case was introduced in the mid '80s on Jeeps and has been the staple in a number of four-wheel-drive vehicles ever since. The NP231 has 2H, 4H, Neutral, and 4L. When Chrysler took ...