Engine and engine cooling: engineRecall 78V-071 · Chevrolet and GMC vehicles
GENERAL MOTORS CORP. recall 78V-071 covers 134 Chevrolet and GMC vehicles for a engine and engine cooling: engine problem, reported to NHTSA on April 4, 1978.
Source: NHTSA recall 78V071000 and manufacturer quarterly reports. Started by an NHTSA defect investigation.
The problem
THE INVOLVED VEHICLES DO NOT CONTAIN AN EMERGENCY STOP CONTROL FOR EMERGENCY STOPPING OF THE VEHICLE. THIS EMERGENCY STOP CONTROL IS NECESSARY TO PREVENT ENGINE OVERSPEED AND TO STOP THE ENGINE IN CASE OF A FUEL MALFUNCTION.
The fix
THE DEALER WILL INSTALL AN EMERGENCY STOP CONTROL AT NO CHARGE.
VEHICLE DESCRIPTION: HEAVY TRUCKS EQUIPPED WITH DETROIT DIESEL 6V53 ENGINES.SYSTEM: ENGINE; EMERGENCY STOP CONTROL.CONSEQUENCES OF DEFECT: IN THE EVENT OF AN EMERGENCY, THE ENGINE WOULD NOTDECELERATE AS EXPECTED AND IN THE EVENT MINIMUM STOPPING DISTANCE IS REQUIRED,A VEHICLE ACCIDENT COULD OCCUR. IN ADDITION, ENGINE DAMAGE COULD RESULT.
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 December 1, 1977 to January 1, 1978. Not every vehicle in these model years is included; check by VIN.
The investigation behind this recall
- TRANSMISSION MALFUNCTIONNHTSA