Front: anchorageRecall 91V-112 · Mack vehicles

MACK TRUCKS, INCORPORATED recall 91V-112 covers 4,000 Mack vehicles for a front: anchorage problem, reported to NHTSA on June 25, 1991.

Vehicles repairedNo manufacturer report yet

Vehicles affected4,0002 models

ReportedJun 25, 1991Owners notified Oct 11, 1991

Complaints since0Same system, after the recall

Source: NHTSA recall 91V112000 and manufacturer quarterly reports. Started by the manufacturer.

What's wrong

The problem

LAP AND SHOULDER SEAT BELT ARRANGEMENT FOR FIXED (NON-SUSPENSION) SEATS DOES NOT MEET THE SEAT BELT LOADING REQUIREMENTS OF FMVSS 210. THE INBOARD CLINCH NUT IN CAB SILL, WHERE THE BUCKLE FOR THE SHOULDER AND LAP BELT IS MOUNTED, PULLED OUT OF THE SILL DURING THE TESTS. CONSEQUENCE OF DEFECT: IF SEAT BELT ANCHIRAGE FAILS, THE SEAT OCCUPANT FACES AN INCREASED RISK OF INJURY IN AN ACCIDENT OR SUDDEN STOP.

What to do

The fix

RELOCATE THE INBOARD SEAT BELT MOUNTING FROM TOP OF THE SILL TO THE FORWARD FLANGE OF THE SILL ON THE CAB FLOOR, AND ADD A 3MM FILLET WELD AROUND THE 2 INBOARD CLINCH NUTS.

SYSTEM: SAFETY BELT ANCHORAGES; FMVSS 210.VEHICLE DESCRIPTION: HEAVY TRUCKS.

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

2 models

Vehicles in this recall

Mack CH1988, 1989, 1990, 1991

Mack CL1988, 1989, 1990, 1991

Built from July 1, 1988 to June 1, 1991. Not every vehicle in these model years is included; check by VIN.