1977 BUICK RIVIERA Recalls (2)

Campaign:: 76V168000 on 10/11/1979
Component:: Service brakes, hydraulic:foundation components:differential proportional valve
Affected:: 158
Notes:: General motors campaign no 77-c-4.possibility that an incorrect brakecombination valve was installed.if this condition exists, the vehicle may notcomply with certain provisions of federal motor vehicle safety standard 105-75.(correct by inspecting and replacing brake combination valve when necessary).passenger vehicle.
Campaign:: 76V175000 on 10/11/1979
Component:: Exterior lighting:turn signal:switch
Affected:: 66,632
Notes:: General motor campaign no (chevrolet) 77c02 (pontiac) 77-c-4 (buick) 77-c-5.possibility that the turn signal operating unit or vehicles with tilt steeringcolumns may not comply with federal motor vehicle safety standard no.108.the turn signal lever actuator pivot pin which may work out of the pivot,resulting in not being able to use turn signal to alert other drivers of yourintentions to change lanes or turn, causing possible vehicle crash.(correctby inspecting and installing a retainer to preclude pivot pin disengagement).passenger vehicle.