1975 PETERBILT 300 Recalls (2)

Campaign:: 76V014000 on 10/11/1979
Component:: Service brakes, air:supply:check valve
Affected:: 355
Notes:: Kenworth campaign no n/a.peterbilt campaign no 276a.possibility that checkvalve between the second and third tank of the air system is a single checkvalve instead of a double check valve as should be employed.if this conditionexists and the plumbing to the parking brakes may be so directed as tonotprovide a back-up air system and thus fail to comply with federal motor vehiclesafety standard 121.(correct by inspecting and installing double check valveand redirecting plumbing to meet standard 121).
Campaign:: 76V024000 on 10/11/1979
Component:: Suspension:front:springs:leaf spring assembly:u-bolt, leaf spring to axle
Affected:: 535
Notes:: Peterbilt campaign no 376 b.kenworth campaign no aaab.possibility frontaxle u-bolts were not manufactured to factory specifications.if thiscondition exists the bolts may break and cause loss of steering control ofvehicle.(correct by inspecting and replacing u-bolts with ones manufacturedto specifications).