Air: chamberRecall 85V-124 · 1983–1985 Chevrolet Astro
GENERAL MOTORS CORP. recall 85V-124 covers 4,870 1983–1985 Chevrolet Astro for a air: chamber problem, reported to NHTSA on October 7, 1985.
Source: NHTSA recall 85V124000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
THE REAR BRAKE RELEASE TIME MAY BE GREATER THAN THE TIME SPECIFIED IN FMVSS 121, "AIR BRAKE SYSTEM". IN ADDITION, SOME TRACTORS MAY HAVE WARPED PARKING BRAKE APPLY SPRINGS WHICH ALSO EFFECT THE REAR BRAKE RELEASE TIME. CONSEQUENCE OF DEFECT: TRACTORS FAIL TO MEET THE STOPPING DISTANCE SPECIFIED IN FMVSS 121 WHICH IS REQUIRED TO STOP THE TRUCK SAFELY.
The fix
INSTALL A QUICK RELEASE VALVE IN THE TRAILER SERVICE AIR LINE AND INCREASE THE DIAMETER OF THE REAR SERVICE BRAKE LINE. ALSO INSPECT REAR SPRING BRAKE CHAMBER AND RELEASE IF NECESSARY.
SYSTEM: AIR BRAKES. VEHICLE DESCRIPTION: TRACTORS EQUIPPED WITH RPO RQ3 TRACTOR APPLICATION.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
Vehicles in this recall
Built from July 1, 1982 to February 1, 1985. Not every vehicle in these model years is included; check by VIN.