Question about 2003 Jeep Wrangler
If you have a selec-track NP229 transfer case, likely the viscuous coupler if failing that would account for the shaking at speed and no motion on hill at 2k rpms.
The single wheel spinning at the rear may be that you don't have a posi differential but an open rear, or, the clutches are stuck. (can often be released by changing lube, adding posi additive and then making tight circles in both directions or tight figure 8"s)
If engine is always idling at 2K you may have a vacuum leak somewhere. That can cause other problems with any vacuum operated controls elsewhere in the car.
Posted on Sep 27, 2009
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Posted on Jan 02, 2017
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