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355 Shock actuator

Discussion in '348/355' started by amazingtrails, Sep 20, 2025 at 9:47 AM.

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  1. amazingtrails

    amazingtrails Karting

    Jan 4, 2025
    113
    #1 amazingtrails, Sep 20, 2025 at 9:47 AM
    My yellow suspension light is on and I suspect it's a broken shock actuator. I'm hoping it's a rear actuator since it's easier to access. Can someone walk me through exactly how to remove both the front and rear actuators? Do they just pull off the top of the shock? What holds them in place?
     
  2. 355rockit

    355rockit Formula Junior

    Dec 1, 2010
    894
    San Marcos, CA
    Full Name:
    Vas
    #2 355rockit, Sep 20, 2025 at 10:34 AM
    Last edited: Sep 20, 2025 at 10:41 AM
  3. Qavion

    Qavion F1 World Champ
    Silver Subscribed

    Feb 20, 2015
    14,532
    Sydney
    Full Name:
    Ian Riddell
    #3 Qavion, Sep 20, 2025 at 5:30 PM
    There is a semi-circular spring clip which has to be removed (very carefully as it has a tendency to fall down somewhere inaccessible).

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    The spring sits in the grooves/slots on the shock. Spare springs are available.

    Make sure that when you refit the actuator, it is fully down, otherwise it will generate errors.

    Good reading material here:

    https://www.captainzcnc.com/
     
  4. amazingtrails

    amazingtrails Karting

    Jan 4, 2025
    113
    #4 amazingtrails, Sep 20, 2025 at 6:36 PM
    very helpful. Thank you!
     
    Qavion likes this.

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