1973 GMC C1500 Recall - Recall ID 4049

1973 GMC C1500 Recall

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NHTSA Campaign Number: 74V027000 
Vehicle/Equipment Make: GMC 
Vehicle/Eqipment Model: C1500 
Model Year: 1973 
Mfg Campaign Number:  
Mfg Component Desc: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM 
Mfg Involved in Recall: GENERAL MOTORS CORP. 
Manufacture Dates:  
Type of Report: (V) Vehicle 
Potential # of Units Affected: 1,218,387 
Date Owner Notified by Mfg: 02-18-74 
Recall Initiated By: MFR 
Mfg Responsible for Recall: GENERAL MOTORS LLC 
Report Recieved Date: 02-15-74 
Record Creation Date: 10-12-79 
Regulation Part Number:  
FMVSS Number:  
Defect Summary:  
Consequence Summary:  
Corrective Summary:  
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. 
Keywords:
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1973 GMC C1500 Recall - Recall ID 4049 for GMC C1500 SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

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