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post #1 of (permalink) Old 01-22-2009, 03:19 PM Thread Starter
 
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4x4 Working???

Hey Folks,
I recently bought a 84 CJ7. Short of going out and getting stuck, how can I know if the 4 wheel drive is working?
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post #2 of (permalink) Old 01-22-2009, 04:07 PM
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Turn the front hubs to the lock position and shift it into 4WD and drive. Then drive slowly in a tight circle on grass. If it's working you'll feel it in the steering wheel. Stop as soon as you feel it - that puts the drive train in a terrible bind, which is what you're feeling.

At that point you probably won't be able to get it out of 4WD because of the bind. Straighten out and drive forward slowly while pulling the shifter. If that doesn't do it, back up while pulling.

EVERYTHING's easy for the guy who doesn't have to do it.
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post #3 of (permalink) Old 01-22-2009, 04:58 PM
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Or my personal favorite,,, go out and get stuck. Jim lou has a good method..

Ya only go around once, best to enjoy it the first trip.
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post #4 of (permalink) Old 01-22-2009, 05:11 PM
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... or
  • Lock the front wheels,
  • remove the rear drive shaft
  • Start the engine,
  • Put the transfer case in 4WD-Hi
  • Put the transmission in gear
  • See if you can move the CJ forward/backward,

    or
    • Lock the front hubs,
    • Jack up the CJ, all four tires off the ground.
    • Start the Engine
    • Put the transfer case in 4WD-Hi
    • Shift the transmission into gear
    • Note if the front tires are rotating
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post #5 of (permalink) Old 01-22-2009, 05:24 PM
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Lock in the 4wd on dirt or gravel, rev it up and pop the clutch. If the front wheels throw stuff backwards you're in luck. Otherwise, bring it to me or some others on this BBS and we will be happy to test it for you.

"Beer is proof that God loves us and wants us to be happy."

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post #6 of (permalink) Old 01-23-2009, 08:41 AM
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I always get on a backroad and pull up to an embankment on an angle and put it in 4 wheel drive. If it starts to go up it then it is in, if not it just sits there and spins the back tire because its teetering on 3 wheels.
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post #7 of (permalink) Old 01-26-2009, 12:55 PM
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I never thought about testing it. I just waited until it was needed, then hoped it worked. Great idea in planning ahead.
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