Western Recall 81V156000: Vehicle Speed Control, Springs

NHTSA recall 81V156000 · announced December 29, 1981 · filed by Mack Trucks, Incorporated · 186 units affected

The problem

THE THROTTLE RETURN SPRINGS ON THE AFFECTED VEHICLES PROVIDE LESS THAN THE REQUIRED TORQUE, CAUSING A SLUGGISH RETURN OF THE THROTTLE TO THE IDLE POSITION AFTER THE ACCELERATOR PEDAL IS RELEASED. THIS FAILS TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 124, "ACCELERATOR CONTROL SYSTEMS".

What to do

NEW ANCHOR BRACKETS AND SPRING EXTENSIONS FOR THE THROTTLE RETURN SPRINGS, WILL BE INSTALLED AT CORRECTED LOCATIONS WITHOUT CHARGE TO OWNER.

Official NHTSA recall notice →

Notes

VEHICLE DESCRIPTION: TRUCKS.SYSTEM: FUEL; THROTTLE RETURN SPRINGS.CONSEQUENCES OF DEFECT: A FAILURE OF THE ACCELERATOR FUNCTION TO RESPONDNORMALLY COULD CAUSE AN ACCIDENT IN CERTAIN TRAFFIC SITUATIONS.

Vehicles covered by this recall

• 1978 Western Rwl Series
• 1979 Western Rwl Series
• 1980 Western Rwl Series
• 1981 Western Rwl Series
• 1978 Western Rws Series
• 1979 Western Rws Series
• 1980 Western Rws Series
• 1981 Western Rws Series

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.