MACK UNSPECIFIED 1982: SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY

General Information

NHTSA Campaign ID Number: 90V010000

Make Model Year
MACK UNSPECIFIED 1982
Date Owners Notified Date Received by ODI Date Added to Database
1990-09-19 1990-01-23 1990-02-06

Production Dates: 1978-01-01 - 1987-12-01

Manufacturers Involved: Mack Trucks, Inc.

Component: SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY

Potential Number Of Units Affected: 14800

Report Initiator: MFR MFR Report

Summary

THE 7/8 INCH SPRING EYE BOLTS WITHIN THE SPRING EYE BUSHING HANGER BRACKET OF THE REAR SUSPENSION MAY FAIL.

Consequence

THE SPRING COULD FALL ONTO THE ROAD SURFACE, WITHOUT WARNING TO THE DRIVER, AND A VEHICLE CRASH COULD OCCUR DUE TO THE SUDDEN DRAG OF THE SPRING.

Remedy

REPLACE ALL 7/8 INCH DIAMETER SPRING EYE BOLTS WITH 1 INCH DIAMETER BOLTS.

Notes

SYSTEM: SUSPENSION; SPRING EYE BOLT.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS WITH ST34 OR ST 38 REAR SUSPENSION.