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1990 Chevrolet 1500 Pickup Question: Why won't wheels turn?

 

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97gmc454, 5.7L V8, Marshfield, MO, November 19, 2013, 19:00
 Rookie

When you put it in gear with drive shafts on (4x4 or 2wd doesn't matter) and release the clutch the drive won't turn. and just sounds like a bunch clouds clunks. But wen I took drive shafts off the did that, the back shaft spins fine. Why? Is it rear axle or further forward?

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    pushrod November 19, 2013, 19:07
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     Master

    If the rear driveshaft is turning but the wheels are not the rear differential is shot! If the rear driveshaft is not turning transfer case is shot!

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    97gmc454, November 19, 2013, 19:12
     Rookie

    Rear drive shaft wont turn but if u take it off and then watch the shaft coming out of the transfer case it turns but that's wen the drive shaft is off

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    pushrod, November 19, 2013, 19:18
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    That's because there is no resistance on that output shaft. Once you install the driveshaft, it's a different story. I have never seen a stripped driveshaft yoke so i say your problem is in the transfer case. I AM THINKING DEFECTIVE PLANETARY ON OUTPUT SHAFT!! Is the transfer case full of fluid?

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  • Answer #2

    cardocIII from Gillespie's Auto Service, November 20, 2013, 01:50
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    Where does the noise sound like its coming from? Transfer case? Transmission? Clutch housing?
    With no load, even the slightest friction could allow the shafts to spin, since we can't hear the noise and where its coming from at this point we have to consider that you could simply have a bad clutch.

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  • Answer #3

    csubak30 November 20, 2013, 05:14
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    Agree with pushrod. Tranfer case is most likely shot. Try to find a used or rebuild and replace. You can try automotix.com.

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  • Answer #4

    Greg's Orange Auto (12262 Answers) , Orange, CA - (714) 361-9386
    globalhelper November 20, 2013, 06:27
     Master

    agree with pushrod. you have one or the other that is bad

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