How much is a trailer supposed to (if at all) knock against the hitch ball when the brake actuator extends when accelerating after having made a complete stop, like at a red light? Our old 96 trailer did it some, but we just assumed that the shock absorber was worn (I think the actuators have one?). The new one on our X2 trailer does it quite a bit. Is this normal? Stopping is smooth. Thanks.
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