MACK UNSPECIFIED 1984: SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

General Information

NHTSA Campaign ID Number: 89V022000

Make Model Year
MACK UNSPECIFIED 1984
Date Owners Notified Date Received by ODI Date Added to Database
1989-08-23 1989-02-17 1989-02-27

Production Dates: 1984-01-01 - 1989-01-01

Manufacturers Involved: Mack Trucks, Inc.

Component: SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

Potential Number Of Units Affected: 18

Report Initiator: MFR MFR Report

Summary

AN INCORRECT 3/4 INCH BOLT WAS INSTALLED ON RT/RS 450 SUSPENSION.

Consequence

THIS BOLT MAY BREAK, CAUSING DISENGAGEMENT OF THE BEAM CONNECTION OF REAR SUSPENSION, RESULTING IN LOSS OF CONTROL, WHICH COULD RESULT IN AN ACCIDENT.

Remedy

RETROFIT CHASSIS WITH 1 INCH BOLTS.

Notes

SYSTEM: SUSPENSION.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS BUILT WITH HENDRICKSON RT/RS 450SUSPENSION.