Recall 81V-156: 1978–1981 Western RWL Series, 1978–1981 Western RWS Series Vehicle Speed Control Recall

NHTSA number

81V-156

Report date

Dec 29, 1981

Vehicles affected

186

Owners notified

Jul 13, 1982

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".

The fix

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.

Recall details

Manufacturer	MACK TRUCKS, INCORPORATED
Component	Vehicle Speed Control › Springs
Recall started by	the manufacturer
NHTSA campaign number	81V156000

Vehicles in this recall

Vehicle	Model years
Western RWL Series	1978, 1979, 1980, 1981	All years
Western RWS Series	1978, 1979, 1980, 1981	All years

Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.

Frequently asked questions

What is recall 81V-156?

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".

How is recall 81V-156 fixed?

New anchor brackets and spring extensions for the throttle return springs, will be installed at corrected locations without charge to owner.

Is the recall repair free?

Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.