NHTSA Campaign 89V022000

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

Issued by MACK TRUCKS, INCORPORATED · Reported Feb 17, 1989 · 18 vehicles affected

What's wrong

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.

Vehicles affected by this recall

Make Model Year Units
MACK MACK 1984 18
MACK MACK 1985 18
MACK MACK 1986 18
MACK MACK 1987 18
MACK MACK 1988 18
MACK MACK 1989 18

Source: NHTSA Campaign 89V022000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.