Leaf spring assembly: hanger/bracketRecall 79V-018 · Mack vehicles

MACK TRUCKS, INCORPORATED recall 79V-018 covers 17 Mack vehicles for a leaf spring assembly: hanger/bracket problem, reported to NHTSA on January 12, 1979.

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Vehicles repairedNo manufacturer report yet
Vehicles affected174 models
ReportedJan 12, 1979Owners notified Sep 5, 1979
Complaints since0Same system, after the recall

Source: NHTSA recall 79V018000 and manufacturer quarterly reports. Started by the manufacturer.

What's wrong

The problem

THE STEEL BRACKETS ON THE SUSPENSION BEAM WERE FOUND TO BE DEFICIENT DUE TO EXCESSIVE SHRINKAGE AND LOW MECHANICAL PROPERTIES. FAILURE OF ONE OR BOTH OF THESE BRACKETS COULD CAUSE A SEPARATION OF THE AXLE HOUSING FROM THE SUSPENSION.

What to do

The fix

THE DEALER WILL INSPECT AND, IF NECESSARY, REPLACE ANY SUSPECT BOGIE SPRING INSULATOR CAPS WITH NEW CAPS MEETING THE PROPER SPECIFICATIONS AT NO COST TO OWNER.

VEHICLE DESCRIPTION: TRUCKS, HEAVY.SYSTEM: SUSPENSION; HANGER BRACKETS.CONSEQUENCES OF DEFECT: LOSS OF VEHICLE CONTROL CAN RESULT AND LEAD TO AVEHICLE ACCIDENT.

Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.

4 models

Vehicles in this recall

Built from April 1, 1978 to June 1, 1978. Not every vehicle in these model years is included; check by VIN.