GMC P3500 1974: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

General Information

NHTSA Campaign ID Number: 74V141000

Make Model Year
GMC P3500 1974
Date Owners Notified Date Received by ODI Date Added to Database
1974-09-03 1974-09-04 1979-10-12

Manufacturers Involved: General Motors, LLC

Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

Potential Number Of Units Affected: 42723

Report Initiator: MFR MFR Report

Notes

CHEVROLET CAMPAIGN NO 74-C-17, GMC CAMPAIGN NO 74-C-10.SCHOOL BUS AND TRUCKCHASSIS.POSSIBILITY THAT ONE OR MORE OF THE HYDRAULIC BRAKE HOSES INSTALLEDMAY HAVE AN END FITTING WHICH WAS NOT SUFFICIENTLY CRIMPED TO THE HOSE.IFTHIS CONDITION EXISTS, IT COULD CAUSE LEAKAGE OF BRAKE FLUID OR POSSIBLESEPARATION OF HOSE FROM FITTING CAUSING PARTIAL OR COMPLETE LOSS OF VEHICLEBRAKING CONTROL.'CORRECT BY INSPECTING AND REPLACING ALL HOSE FOUND WITH ONESIZE CRIMP DIAMETER.'