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  1. #1
    RC poster
    Join Date
    Dec 2019
    Posts
    14

    Trx-4 wheels wont turn (and/or return) on dirt road

    Hi,
    Trx-4 wheels wont turn (and/or return) on dirt road/forest. They turn and return almost normally on regular flat surface.

    How should I proceed to fix this? Do I need to thighten something somewhere or change the servo? And/or any other upgrade parts I should get so problem wouldn't repeat?

  2. #2
    RC poster
    Join Date
    Dec 2019
    Posts
    14
    Talking about steering.

  3. #3
    RC Racer
    Join Date
    Jun 2020
    Location
    Desert SW
    Posts
    102
    Weak servo. Replace the servo. That's always a weakness in RTR RCs

    Sent from my SM-G975U using Tapatalk

  4. #4
    RC Qualifier RCWilly's Avatar
    Join Date
    Feb 2019
    Location
    California Bay Area
    Posts
    657
    Check the servo horn, it is plastic and it strips very easily. If the wheels are hit during an impact, the servo horn would be the first to go.

    Upgrade to the steel servo horn (part 8247X)
    Everyday's a gift, thus now is called the present.

  5. #5
    RC poster
    Join Date
    Dec 2019
    Posts
    14
    RCwilly you are right. It was the servo horn. I replaced the whole servo with a chinese 20kg servo that I had in another car. Works better than the original!

  6. #6
    RC Champion
    Join Date
    Feb 2020
    Location
    Canary Islands, Tenerife, Spain.
    Posts
    1,179
    Quote Originally Posted by Jbonjovi1 View Post
    RCwilly you are right. It was the servo horn. I replaced the whole servo with a chinese 20kg servo that I had in another car. Works better than the original!
    Change the stock servo is a must have in the TRX4, and the servo horn too, an aluminum one is better overall.

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