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Mack CH Recall 91V112: Seat Belts:Front:Anchorage

NHTSA campaign 91V112, reported June 25, 1991, 4,000 vehicles potentially affected.

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The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 91V112MACK TRUCKS, INCORPORATED
Component
SEAT BELTS:FRONT:ANCHORAGE
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.
Risk
Remedy
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.
Notes
SYSTEM: SAFETY BELT ANCHORAGES; FMVSS 210.VEHICLE DESCRIPTION: HEAVY TRUCKS.

Affected vehicles

Mack CH1988198919901991
Mack CL1988198919901991