General InformationOn some AMU (Air Management Unit) pressure protection valves manufactured by Norgren, the internal O-ring may jump out of its groove, allowing the air to blow by the O-ring. This results in an air leak, with virtually no air flow from the secondary air supply to the AMU modules downstream of the pressure protection valves (air flow reduced by 99 percent).
When this condition ex
read more
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
