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help u joint 10 bolt to 12 bolt

Discussion in 'The Garage' started by the excuse, Jan 12, 2004.

  1. the excuse

    the excuse 1/2 ton status

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    any one know the u joint needed to connect the drive shaft to the axle it is a driveshaft from a 10 bolt going into a 12 bolt axle. a napa part number would be very helpfull. thanks.
     
  2. Confedneck

    Confedneck 3/4 ton status

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    depends on your transmission..
    my sm465 10 bolt (1350) to 12 bolt was a precision/napa 348..
     
  3. the excuse

    the excuse 1/2 ton status

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    its an auto 350 engine and 350 trans. im also having serious trouble bleeding the brakes. i cant get the pedal to firm.
     
  4. 84_Chevy_K10

    84_Chevy_K10 Banned

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    3-3130 gets you a 1310 to a Saginaw S44 in a Neapco, which most parts stores carry.
     
  5. Confedneck

    Confedneck 3/4 ton status

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    bleeding the brakes can be tricky.. bleed the master first.. then crack the line on top of the prop valve on the frame and tap the valve a couple times and close the line up.. then bleed the RR, LR, RF, then LF.. all until there is no more air coming out, fluid only..

    for the ujoint, someone may have the part number handy.. but.. if you go to napa, and tell them what you have---
    year of truck, 4x4, transmission, and that you're putting in a 12 bolt, they can cross reference and bring up the right joint.. for some reason.. im thinking its 331..
     
  6. 84_Chevy_K10

    84_Chevy_K10 Banned

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    See my post for part number. /forums/images/graemlins/thumb.gif
     
  7. Confedneck

    Confedneck 3/4 ton status

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    3-3130=331 precision?? just wondering for my own knowledge /forums/images/graemlins/ears.gif /forums/images/graemlins/thinking.gif
     
  8. 84_Chevy_K10

    84_Chevy_K10 Banned

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    331 in precision is the same as a 1350 joint, which would be part number 2-0053

    Precision's part number for a 3-3130 is 350.
     
  9. Confedneck

    Confedneck 3/4 ton status

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    damn you're good.. /forums/images/graemlins/thumb.gif
     
  10. 84_Chevy_K10

    84_Chevy_K10 Banned

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    [ QUOTE ]
    damn you're good.. /forums/images/graemlins/thumb.gif

    [/ QUOTE ]

    I'm not that good, I have the catalog no further than arm's reach from me when I'm posting for this very reason.
     
  11. rick88blaze

    rick88blaze 1/2 ton status

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    here is a thread that I started to get these numbers a while back. It has most of the conversion ujoint part #'s. here

    Rick
     
  12. 83ZZ502_Jimmy

    83ZZ502_Jimmy 1/2 ton status

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    [ QUOTE ]
    [ QUOTE ]
    damn you're good.. /forums/images/graemlins/thumb.gif

    [/ QUOTE ]

    I'm not that good, I have the catalog no further than arm's reach from me when I'm posting for this very reason.

    [/ QUOTE ]

    Agreed! /forums/images/graemlins/thumb.gif /forums/images/graemlins/thumb.gif And if you hadn't I would have /forums/images/graemlins/grin.gif

    John
     
  13. Emmettology 101

    Emmettology 101 3/4 ton status

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    So you got a driveshaft out of a truck/blazer that had a 10 bolt in it and you are going to use it in your 12 bolt equipped truck? Is the u-joint on the 10 bolt bigger? If so, get the yoke off the 10 bolt and put it on the 12 bolt! You just need a special seal. I dotn know the part number for the seal off hand but any rearend place will know.
     
  14. the excuse

    the excuse 1/2 ton status

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    im putting the 12 bolt into my blazer. i have no way of getting the yokes off the 12 bolt and the 10 bolt because the 12bolt is installed and the 10 bolt is on the ground. i dont have an impact wrench to remove the nut. i called napa and they cant bring up precision u-joint 350 they say it isnt in the computer. my truck is on jacks in the garage so any help is good.
     

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