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  1. #1
    RC Competitor
    Join Date
    Mar 2013
    Location
    Rogers, Ar
    Posts
    75

    Exclamation Need help quickly! 3906 problems!

    I have a 3906 Emaxx. A week ago or so I took it completely apart cleaned it and reassembled it. However, when I went to drive it for the first time after being cleaned the Wheels would spin and it would run in the air but as soon as I sat it down the ground it seemed like it was locked up. The wheels will roll in the air but but roll opposites way. When it is set on the table and you try to push it none of the wheels will turn.
    I took the transmission off and make sure all the gears were in the appropriate places. They were. Is it possible that I have put the front on the back and vice versa? Would this make a difference?
    Please help me as I have a RC car show to attend with it tomorrow!! I gotta get first!!! But it's gotta run!

    The wheels act like they are fighting each other to push in opposite directions.

    You guys are great! Thanks for all the help. Not.
    Last edited by cooleocool; 04-12-2014 at 08:26 AM. Reason: merge

  2. #2
    RC Turnbuckle Jr. JimmyNeutron's Avatar
    Join Date
    Oct 2009
    Location
    Alma, Michigan
    Posts
    12,316
    Your diffs are flipped wrong.

    Also, have some patience.
    Whatever it is I just typed... could be wrong.

  3. #3
    RC Turnbuckle Jr. Wildman4910's Avatar
    Join Date
    Jun 2009
    Location
    Cocoa Florida
    Posts
    4,576
    Keep your pants on!
    You have one of the diffs in the wrong way.

    Looking down on the truck, with the rear at your feet, look at the diff case screws.

    Rear diff case screws face the left side of the truck.
    Front diff case screws face the right side of the truck.
    Look out for the tree/crunch!

    LiPo? Naw NITRO!!

  4. #4
    RC Competitor
    Join Date
    Mar 2013
    Location
    Rogers, Ar
    Posts
    75
    Quote Originally Posted by Jimmie Neutron View Post
    Your diffs are flipped wrong.

    Also, have some patience.
    Modern day society has no patience. Why should I or anyone else be different? Lol.

    Quote Originally Posted by Wildman4910 View Post
    Keep your pants on!
    You have one of the diffs in the wrong way.

    Looking down on the truck, with the rear at your feet, look at the diff case screws.

    Rear diff case screws face the left side of the truck.
    Front diff case screws face the right side of the truck.
    Thank you, sir! This was the answer I was looking for! Problem solved. And as far as my pants.. Well.. They are long gone!
    Last edited by cooleocool; 04-12-2014 at 08:27 AM. Reason: merge

  5. #5
    Traxxas Marshal cooleocool's Avatar
    Join Date
    Mar 2003
    Location
    Wherever the road takes me.
    Posts
    37,219
    Quote Originally Posted by pressfarmer View Post
    Modern day society has no patience. Why should I or anyone else be different? Lol.
    Because you want help. People will be far less inclined to help you when you say things like:

    You guys are great! Thanks for all the help. Not.
    "Happiness depends upon ourselves." -Aristotle

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