MACK CS 250 1986: VEHICLE SPEED CONTROL

General Information

NHTSA Campaign ID Number: 86V067000

Make Model Year
MACK CS 250 1986
Date Owners Notified Date Received by ODI Date Added to Database
1986-11-07 1986-05-27 1986-06-05

Production Dates: 1985-07-01 - 1985-10-01

Manufacturers Involved: Mack Trucks, Inc.

Component: VEHICLE SPEED CONTROL

Potential Number Of Units Affected: 830

Report Initiator: MFR MFR Report

Summary

THE SEALANT USED ON THE INJECTION PUMP COULD PENETRATE THROUGH THE BUSHING AND GET BETWEEN THE THROTTLE SHAFT AND BUSHINGS CAUSING THE SHAFT TO BIND. CONSEQUENCE OF DEFECT: THROTTLE SHAFT SEIZURE MAY CAUSE THE ENGINE TO STAY ON FULL THROTTLE, AND RESULT IN LOSS OF OPERATOR CONTROL AND POSSIBLY AN ACCIDENT.

Remedy

REPLACE BOTH BUSHINGS IN THE GOVERNOR HOUSING.

Notes

SYSTEM: THROTTLE SHAFT AND BUSHINGS.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS, MIDLINER.