Springs: leaf spring assemblyRecall 84V-036 · Mack and Western vehicles

MACK TRUCKS, INCORPORATED recall 84V-036 covers 3,421 Mack and Western vehicles for a springs: leaf spring assembly problem, reported to NHTSA on March 23, 1984.

Vehicles repairedNo manufacturer report yet

Vehicles affected3,42113 models

ReportedMar 23, 1984Owner notice date not listed

Complaints since0Same system, after the recall

Source: NHTSA recall 84V036000 and manufacturer quarterly reports. Started by an NHTSA defect investigation.

What's wrong

The problem

SPRING SEAT CAN DEFORM, WHICH CAUSES A DECREASE IN THE CLAMPING FORCE IN THE SUSPENSION ASSEMBLY. LOSS OF CLAMPING FORCE MAY BRING ABOUT AXLE MISALIGNMENT OR AXLE HOUSING FAILURE.

What to do

The fix

THE AXLE HOUSING WILL BE INSPECTED AND REPLACED, IF NECESSARY. THE SPRING SEATS WILL ALSO BE REPLACED.

VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: SUSPENSION; REAR SPRING SEAT.CONSEQUENCES OF DEFECT: LOSS OF VEHICLE CONTROL COULD OCCUR WITHOUT WARNING,POSSIBLY RESULTING IN AN ACCIDENT.

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

13 models

Vehicles in this recall

Mack CF1978, 1979, 1980, 1981, 1982

Mack FM Series1978, 1979, 1980, 1981, 1982

Mack F Series1978, 1979, 1980, 1981, 1982

Mack MB Series1978, 1979, 1980, 1981, 1982

Mack MC Series1978, 1979, 1980, 1981, 1982

Mack MR Series1978, 1979, 1980, 1981, 1982

Mack R Series1978, 1979, 1980, 1981, 1982

Western RL Series1978, 1979, 1980, 1981, 1982

Western RS Series1978, 1979, 1980, 1981, 1982

Western RWL Series1978, 1979, 1980, 1981, 1982

Western RWS Series1978, 1979, 1980, 1981, 1982

Western WL Series1978, 1979, 1980, 1981, 1982

Western WS Series1978, 1979, 1980, 1981, 1982

Built from October 1, 1978 to May 1, 1982. Not every vehicle in these model years is included; check by VIN.