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Originally Posted by cv349
I recently bought a 94 Wrangler with 6 cyl, auto trans, and a 3" lift with 32" tires. It runs strong and had no apparent problems. I did a complete service of the vehicle including changing the oil, transmission fluid, and front and rear differential fluids. Because of the lift the transfer case drain plug is blocked and I haven't had time to drain the T-case so I just topped it off.
Everything seemed fine for a couple of weeks but now I am experiencing strong driveline vibration just before the transmission shifts from 2nd to 3rd. I am also having trouble shifting the transfer case case to 4wd Hi and it is very difficult to get 4wd Lo at all.
I am also trying to make sure whether the rear diff is open or limited slip. I tried the old trick of jacking it up and spinning one tire. The opposite tire doesn't move so I am not sure what to make of that.
Any ideas would help.
-cv
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I have a 97 Wrangler and it has the Danna 44 rear end. I to jacked the car up and spun the rear tires both go in the same direction. I talked to a dealer about this and they said that that model was offer with a trail lock package "Locker" of sort.
You said that one tire spins and the other does not? did you do this test with both rear tires off the ground? Also, there may be a tag on the rear diff if it is still original that will have all the info you need including gear ratio. If one tire spins and the other does not , this sounds like it could be a standard diff and not a limited slip.
Another suggestion take the VIN to the dealer and they can pull all the specs on that vehicle as it was originally sold. hope this helps.