Waka Kotahi are taking action on Sanwa Seiki brake systems on some Nissan UD trucks. They are doing this because of a number of incidents – including two fatalities – involving runaway vehicles when the operator of the vehicle believed the brake had been fully engaged when it hadn’t. These park brake systems, prevalent in some NC Class trucks were produced between 1993 and 2005. The factory-supplied Sanwa-Seki Park Brake Control Valve must be replaced with an alternative park brake control valve, preferably by one that is mounted to the left of the driver’s seat and that also has a graduated control action.
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