NHTSA recall 99V331000
Service brakes, air › Supply › Hoses, lines/piping, and fittings
Amtran Fe and 1 more
The defect
Vehicle description: school bus. an air brake line controlling the rear brakes may be too close to the exhaust pipe and could rupture at any time without warning.
The risk
Exhaust pipe heat can melt or cause premature failure of this air line if the air line IS routed too close to the exhaust pipe.
The remedy
Dealers will install a new elbow fitting and reroute the air line. the air line will also be inspected and replaced if found to be damaged from the exhaust pipe.