Recalls: 1971 - CHEVROLET - K20

• NHTSA Campaign ID Number: 70V147000 - WHEELS
  Recall Date: 10/12/1979

  Summary:
  
  
  Manufacturer that filed the Recall:
  GENERAL MOTORS CORP.
  
  Consequence:
  
  
  Remedy:
  POSSIBILITY THAT TRUCKS MAY HAVE BEEN ASSEMBLED WITH EITHER 16 X 6.00 TWO-PIECEOR 16.5 X 8.25 ONE- PIECE WHEELS WHICH HAVE OBVIOUS CRACKS OUTSIDE MOUNTINGBOLT CIRCLE IN WHEEL DISC.IF THIS CONDITION EXISTS, CRACKS MAY PROGRESS WITHPROLONGED VEHICLE OPERATION AND CAUSE WHEEL FAILURE WHICH COULD RESULT IN LOSSOF VEHICLE CONTROL.(CORRECT BY REPLACING WHEEL WHERE NECESSARY.)

• NHTSA Campaign ID Number: 71V139000 - SUSPENSION:FRONT:SPRINGS:COIL SPRINGS
  Recall Date: 10/12/1979

  Summary:
  
  
  Manufacturer that filed the Recall:
  GENERAL MOTORS CORP.
  
  Consequence:
  
  
  Remedy:
  CHEVROLET CAMPAIGN NO 71-C-12, GMC CAMPAIGN NO 71-C-9.ALL 4- WHEEL DRIVE.POSSIBILITY THAT UNDER CERTAIN OPERATING CONDITI ONS FRONT SPRING MAY BREAKNEAR FRONT ATTACHMENT ON STEERING C OLUMN SIDE.BREAKAGE COULD CAUSE VEHICLETO VEER TOWARD LEFTIN LEFT-HAND DRIVE VEHICLES AND TO RIGHT IN RIGHT-HANDDRIVE V EHICLES.(CORRECT BY REPLACING SECOND LEAF WHERE NECESSARY. )

• NHTSA Campaign ID Number: 71V140000 - SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM
  Recall Date: 10/12/1979

  Summary:
  
  
  Manufacturer that filed the Recall:
  GENERAL MOTORS CORP.
  
  Consequence:
  
  
  Remedy:
  CHEVROLET CAMPAIGN NO 71-C-18.GMC CAMPAIGN NO 71-C-10.EXCE PT RPO H-22W/11,000 AXLE.POSSIBILITY THAT POWER BRAKE VACUU M CYLINDER (BOOSTER CAN)AND/OR ATTACHING BRACKETS MAY DEVELOPFATIGUE CRACKS.IF BRACKET CRACKS,COULD PERMIT EXCESSIVE MO VEMENT OF BRAKE CYLINDER ASSEMBLY.CONTINUEDOPERATION COULDCRACK FRONT HYDRAULIC BRAKE RESULTANT LOSS OF BRAKE FLUID IN PART OF DUAL BRAKING SYSTEM.BRAKING SYSTEM.(CORRECT BY REPL ACING COMPONENTSWHERE NECESSARY.)