Duaparts Blog

Beside buying parts, we are helping the trucking industry with the latest information about new technologies, trends and a ton of repair manuals

How to fix 2021 Freightliner M2 rear suspension knocking

Posted by: on

Applicable Vehicles This document applies to Freightliner M2 Business Class used in a “Fire/Emergency” application and equipped with FTL flat leaf spring rear suspensions. Symptoms Driver of the vehicle will detect an audible popping or knocking noise from the rear suspension when turning the vehicle. Issue The FTL flat leaf spring rear suspension permits the spring pack to shift read more