1989 MACK MACK Recall

Campaign:

89V022000 on 02/26/1989

Component:

Suspension:rear:springs:leaf spring assembly:u-bolt, leaf spring to axle

Manufactured:

12/31/1983 - 12/31/1988

Affected:

18

Defect:

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.

Correction:

Retrofit chassis with 1 inch bolts.

Notes:

System: suspension.vehicle description: heavy duty trucks built with hendrickson rt/rs 450suspension.

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