GMC J8500 1968: SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE

General Information

NHTSA Campaign ID Number: 68V064000

Make Model Year
GMC J8500 1968
Date Owners Notified Date Received by ODI Date Added to Database
1968-06-17 1968-06-19 1979-10-12

Manufacturers Involved: General Motors, LLC

Component: SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE

Potential Number Of Units Affected: 22683

Report Initiator: MFR MFR Report

Notes

POSSIBILITY THE MIDLAND-ROSS AIR BRAKE APPLICATION VALVE ASSEMBLY INTERNALVALVE CAGE MAY DETERIORATE AND CRACK AND EVENTUALLY FAIL.IF A FAILURE OCCURS, THE VALVE PISTON COULD BE PUSHED OUT OF THE VALVE BODY, RESULTING IN A RAPID LOSS OF AIR AT THE APPLICATION VALVE CAUSING A LOSS OF BRAKE ACTION.'CORRECT BY REPLACING INTERNAL VALVE CAGE WITH ONE OF IMPROVED CONSTRUCTION AND MATERIAL.'