CHEVROLET K20 1971: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

General Information

NHTSA Campaign ID Number: 71V140000

Make Model Year
CHEVROLET K20 1971
Date Owners Notified Date Received by ODI Date Added to Database
1971-08-18 1971-08-19 1979-10-12

Manufacturers Involved: General Motors, LLC

Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

Potential Number Of Units Affected: 136000

Report Initiator: MFR MFR Report

Notes

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.'