MACK MR SERIES 1987: SUSPENSION:MULTIPLE AXLE

General Information

NHTSA Campaign ID Number: 88V154000

Make Model Year
MACK MR SERIES 1987
Date Owners Notified Date Received by ODI Date Added to Database
1988-09-22 1988-09-27 1988-10-11

Production Dates: 1987-01-01 - 1987-04-01

Manufacturers Involved: Mack Trucks, Inc.

Component: SUSPENSION:MULTIPLE AXLE

Potential Number Of Units Affected: 129

Report Initiator: MFR MFR Report

Summary

THE UNDERSIZED WELD ON THE REAR SUSPENSION BRACKETRY ATTACHMENT CAN CAUSE BRACKET FAILURE.

Consequence

BRACKET FAILURE CAN ALLOW THE SPRING ASSEMBLY TO BERELEASED ONTO THE ROADWAY, POSSIBLY RESULTING IN LOSS OF CONTROL AND ANACCIDENT.

Remedy

REPLACE ANY HOUSINGS THAT HAVE SINGLE PASS "UNDERSIZED" WELDS ON THE BRACKETRY ATTACHMENT.

Notes

SYSTEM: REAR AXLE HOUSING.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS.