Springs: leaf spring assemblyRecall 90V-010 · 1978–1987 Mack Mack

MACK TRUCKS, INCORPORATED recall 90V-010 covers 14,800 1978–1987 Mack Mack for a springs: leaf spring assembly problem, reported to NHTSA on January 23, 1990.

Vehicles repairedNo manufacturer report yet

Vehicles affected14,8001 model

ReportedJan 23, 1990Owners notified Sep 19, 1990

Complaints since0Same system, after the recall

Source: NHTSA recall 90V010000 and manufacturer quarterly reports. Started by the manufacturer.

What's wrong

The problem

THE 7/8 INCH SPRING EYE BOLTS WITHIN THE SPRING EYE BUSHING HANGER BRACKET OF THE REAR SUSPENSION MAY FAIL.

The risk

THE SPRING COULD FALL ONTO THE ROAD SURFACE, WITHOUT WARNING TO THE DRIVER, AND A VEHICLE CRASH COULD OCCUR DUE TO THE SUDDEN DRAG OF THE SPRING.

What to do

The fix

REPLACE ALL 7/8 INCH DIAMETER SPRING EYE BOLTS WITH 1 INCH DIAMETER BOLTS.

SYSTEM: SUSPENSION; SPRING EYE BOLT.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS WITH ST34 OR ST 38 REAR SUSPENSION.

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

1 model

Vehicles in this recall

Mack Mack1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987

Built from January 1, 1978 to December 1, 1987. Not every vehicle in these model years is included; check by VIN.