SYS ONLINE INGEST 3 hours ago SOURCE NHTSA · TC BUILD v0.0.29
Vehicle scope Default: all classes — narrow to retail passenger anytime
Network/ Canada/ Crane/ 1978020

Crane · Canada · Crit

Crane M4424, M3824 +3 more: Brakes

Affects Crane M4424, M3824, C4424, B4414, M4414 · 1976–1977 — about 73 vehicles.

The hazard

VEHICLES HAVE AN INSUFFICIENT AIR RESERVOIR CAPACITY AND DO NOT COMPLY WITH CMVSS 121 - AIR BRAKE SYSTEMS. ALSO, THE AIR BRAKE CHECK VALVE WAS OMITTED DURING PRODUCTION. THIS OMISSION WOULD CAUSE AN AUTOMATIC AND PREMATURE APPLICATION OF THE REAR WHEEL EMERGENCY BRAKES IN THE EVENT OF A RUPTURE OF ANY AIR SERVICE PRESSURE LINE IN THE BRAKING SYSTEM.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational