1973 GMC K1500 Recalls (2)

Campaign:: 73V198000 on 10/11/1979
Component:: Steering:gear box (other than rack and pinion)
Manufactured:: 07/31/1972 - 05/31/1973
Affected:: 123,600
Notes:: General motors campaign no 73-c-16.four wheel drive with power steering.possibility that the steering gear attaching bolts may loosen, especially underhigh steering loads encountered in off-road operations.if this conditionoccurs, looseness in the steering gear or erratic steering will be noticableand if ignored, loss of steering control could result.(correct by inspectingand retorquing where necessary).
Campaign:: 74V027000 on 10/11/1979
Component:: Service brakes, hydraulic:power assist:vacuum
Affected:: 1,218,387
Notes:: Oldsmobile campaign no 74-c-5.buick campaign no 73-c-3.gmc truck campaignno 74-c-06.chevrolet campaign no 74-c-11.pontiac campaign no 74-c-5.possibility that the single diaphragm brake vacuum power booster was assembledwith demensional descrepancies in the vacuum power booster housing which mayreduce the torque required to unlock the front half of the housing from therear half.if this condition exists, the low unlocking torque coupled withother variations in the assembly may cause housing to rotate and disengage fromthe locking tabs resulting in separation of the two halves of the booster andcomplete loss of brakes.(correct by inspecting and staking the housing at twopoints to preclude rotation of the housing.