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  1. #1
    RC Enthusiast
    Join Date
    Jan 2014
    Posts
    42

    Problem with new ERBEWP and summit shafts

    Hello Guys...

    Just got the summit shafts and noticed that its very hard to make the screw that goes into the shaft on the rear diff left side, (it connects the summit driveshaft to the rear diff side)

    The screw finally went trough but now that shaft is hard to turn... On the other shaft the screw enters fine that binds it to the rear diff and turns freely... but on this side its too tight... Is this normal or what should I do?

    Thanks in advance
    JC

  2. #2
    RC Qualifier
    Join Date
    Feb 2009
    Posts
    726
    It's the screw hard to turn or the shaft hard to turn once the screw is in place? Sometimes you can get a screw with just a little extra loctite on it or if it is used sometimes the screw can be bent. If the shaft rotates when attached to the diff freely you should be fine otherwise you need to find out what it's binding...there should not be an issue just because it is the new version of the truck.
    If it didn't break you can do it again.

  3. #3
    RC Enthusiast
    Join Date
    Jan 2014
    Posts
    42
    The shaft is hard to turn after the screw is in but hardly enters... so it makes the shaft face bind a bit with the diff bearing...

  4. #4
    RC Qualifier
    Join Date
    Feb 2009
    Posts
    726
    Then something is off...summit shafts are a straight bolt on affair. I would start by pulling your rear diff out of the truck and see if the shafts still have a problem connecting. Out of the truck it should be easier to see what the fitment issue is. Also try switching sides of the axles to rule out maybe a bad summit shaft part. Quality control is pretty good for the most part but you could have got that one that was able to slip through.
    If it didn't break you can do it again.

  5. #5
    RC Qualifier
    Join Date
    Mar 2013
    Posts
    399
    is the screw rubbing on the bulkhead?i had a screw once that was too long and it rubbed the bulkhead and made the shaft hard to turn.if thats the case either get a shorter screw or cut it off the proper lenght.run the screw through the shaft with it off the truck and see if its the screw.

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