NHTSA Campaign 87V010000

SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM

Issued by MACK TRUCKS, INCORPORATED · Reported Feb 9, 1987 · 5,235 vehicles affected

What's wrong

CROSSMEMBER CAN BE OVERSTRESSED AND CAN FAIL, ALLOWING THE BROKEN CROSSMEMBER TO PROTUDE ABOVE THE TOP OF THE FRAME AND INTERFERE WITH CHASSIS COMPONENTS.

Consequence

TRAILER HANDLING COULD BE AFFECTED DURING TURNINGMANEUVERS WHICH COULD RESULT IN LOSS OF TRUCK CONTROL AND A CRASH. ALSO, ACOMPLETELY SEPARATED CROSSMEMBER COULD AFFECT HEIGHT OF SUSPENSION AIR SPRINGSAND THE RESULTING LEAN COULD RESULT IN LOSS OF CONTROL.

Remedy

INSTALLATION OF A BOLTED DOUBLE PLATE TYPE CROSSMEMBER TO REPLACE THE STANDARD CHANNEL TYPE CROSSMEMBER.

Vehicles affected by this recall

Make Model Year Units
MACK MACK 1972 5,235
MACK MACK 1973 5,235
MACK MACK 1974 5,235
MACK MACK 1975 5,235
MACK MACK 1976 5,235
MACK MACK 1977 5,235
MACK MACK 1978 5,235
MACK MACK 1979 5,235
MACK MACK 1980 5,235
MACK MACK 1981 5,235
MACK MACK 1982 5,235
MACK MACK 1983 5,235
MACK MACK 1984 5,235
MACK MACK 1985 5,235
MACK MACK 1986 5,235
MACK MACK 1987 5,235

Source: NHTSA Campaign 87V010000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.