CHEVROLET C30 1971: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS

General Information

NHTSA Campaign ID Number: 71V037000

Make Model Year
CHEVROLET C30 1971
Date Owners Notified Date Received by ODI Date Added to Database
1971-03-18 1971-03-24 1979-10-12

Manufacturers Involved: General Motors, LLC

Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS

Potential Number Of Units Affected: 9600

Report Initiator: MFR MFR Report

Notes

CHEVROLET BULLETIN NO 71-C-7.GMC BULLETIN NO 71-C-4 AND 71-C -4A.TRUCKS ANDSCHOOL BUSSES WITH BENDIX VACUUM HYDRAULIC BR AKES, TRUCKS WITH VACUUM BOOSTEDBRAKES.POSSIBILITY THAT SIN GLE BENDIX VACUUM HYDRAULIC BRAKE SYSTEM MAY HAVEEND CAP HEXHEAD FITTING ASSEMBLY WHICH DOES NOT MAKE PROPER CONTACT WITHENDOFBOOSTER SLAVE CYLINDER.THIS COULD CAUSE BRAKE FLUID TOLEAK FROM END OFBOOSTER SLAVE CYLINDER.LOSS OF BRAKE FLUIDWOULD RESULT IN LOW BRAKE PEDALAND CAUSE COMPLETE LOSS OF BR AKING ACTION.'CORRECT BY REPLACING WITH NEWIMPROVED NUT.'