Recall campaign · NHTSA 81V156000

Vehicle speed control: springs

MACK TRUCKS, INCORPORATED filed this campaign with NHTSA on 1981-12-29.

Recall campaignNHTSA 81V156000

Vehicle speed control: springs

Component: Vehicle speed control: springs
Manufacturer: MACK TRUCKS, INCORPORATED
Vehicles affected: 186
Reported to NHTSA: 1981-12-29
Owners notified: 1982-07-13

Defect description

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".

Manufacturer remedy

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

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.

Scope of coverage

8 model years across 2 models.

Model	Years on record
WESTERN RWL Series	1981 1980 1979 1978
WESTERN RWS Series	1981 1980 1979 1978

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.