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Thread: rear drive shaft play

  1. #1

    rear drive shaft play

    Hey all
    Andrew and I were looking at my truck to determine where my clunk is.
    Andrew noticed how much play was in the rear drive shaft..
    anyone know how much play should be in that shaft??
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  2. #2
    Join Date
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    Bad u-joint?
    cjriojas:if you're weather man is a 5 gallon bucket, YOUUUUUUUUUUU might be a redneck
    danger_ranger83: I see now why it cost so much to get a harness made... FML
    2boostedSilverado: I like Casey's rear end, I want to chat with him about it

  3. #3
    no.. im talkin about at the transfer case side.
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  4. #4
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    more technical description:


    The u joints are all super tight. There is a good 1/4 inch of play on the rear driveshaft where it goes into the transfer case. The rear transfer case seal is facing outwards and clearly stretched from the shaft moving around(i thought they went inwards, but I could be wrong). More play with truck on ground, less with the rear end hanging loose (and frame on stands).


    on my 2wd, the driveshaft doesn't move at all when inserted into the trans tailshaft. (with truck sitting on ground). Wasn't sure if maybe the AWD's have a little more 'slop' in them, because his front shaft has about 1/16 inch of play (not nearly as much as the rear...but still noticeable)
    blown transmissions are about as useful as 97% of the guys on this forum

  5. #5
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    Bad bearings on the output shafts?
    cjriojas:if you're weather man is a 5 gallon bucket, YOUUUUUUUUUUU might be a redneck
    danger_ranger83: I see now why it cost so much to get a harness made... FML
    2boostedSilverado: I like Casey's rear end, I want to chat with him about it

  6. #6
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    that's what I was thinking.... not sure if it's worth trying to replace them


    OR just swap transfers...since he already got a new (used) one
    blown transmissions are about as useful as 97% of the guys on this forum

  7. #7
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    Swap, rebuild, sell.
    cjriojas:if you're weather man is a 5 gallon bucket, YOUUUUUUUUUUU might be a redneck
    danger_ranger83: I see now why it cost so much to get a harness made... FML
    2boostedSilverado: I like Casey's rear end, I want to chat with him about it

  8. #8
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    The clunk noise is from your transfercase, common problem on SS trucks
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  9. #9
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    Quote Originally Posted by Ray@NP View Post
    The clunk noise is from your transfercase, common problem on SS trucks
    If it's the same clunk I get out of mine, I used to get it out of my '00 Z71 as well. On that one it was the slip yoke moving in and out of the transfer case causing the noise. I haven't checked on the '06, but am assuming it is the same thing. Only happens after coming to a stop and restarting, or going from reverse, stopping, then going into drive.
    - Paul J.
    2006 Silverado LT3 L33 Z71 - Mods: K&N Air Filter; Taylor Wires
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    (SOLD) 2004 Suburban 5.3L Z71 - Mods: Flex-a-Lite 292 Monster Fan
    (SOLD) 2000 Silverado 5.3L Z71 - Mods: (NTIKO)
    (SOLD) 1991 Suburban 350 2WD - Mods: (NTIKO)

  10. #10
    Quote Originally Posted by Paulster2 View Post
    If it's the same clunk I get out of mine, I used to get it out of my '00 Z71 as well. On that one it was the slip yoke moving in and out of the transfer case causing the noise. I haven't checked on the '06, but am assuming it is the same thing. Only happens after coming to a stop and restarting, or going from reverse, stopping, then going into drive.
    yeah thats pretty much like mine..
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