NHTSA Campaign 78V172000

STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM

Issued by MACK TRUCKS, INCORPORATED · Reported Aug 8, 1978 · 13,800 vehicles affected

What's wrong

THE EXISTING CROSS STEERING ARMS MAY HAVE INSUFFICIENT FATIGUE LIFE IN THE NECK AREA. THIS IS NEAR THE BOSS FOR THE CROSS STEERING TUBE BALL JOINT CONNECTION. FAILURE OF EITHER OF THE CROSS STEERING LEVERS COULD LEAD TO LOSS OF STEERING CONTROL OF THE RIGHT FRONT WHEEL.

Remedy

THE DEALER WILL INSPECT AND, IF NECESSARY, INSTALL CROSS STEERING ARMS OF IMPROVED DESIGN AND GREATER STRENGTH.

Vehicles affected by this recall

Make Model Year Units
MACK CF 1974 13,800
MACK CF 1975 13,800
MACK CF 1976 13,800
MACK CF 1977 13,800
MACK CF 1978 13,800
MACK DM 1974 13,800
MACK DM 1975 13,800
MACK DM 1976 13,800
MACK DM 1977 13,800
MACK DM 1978 13,800
MACK DMM 1974 13,800
MACK DMM 1975 13,800
MACK DMM 1976 13,800
MACK DMM 1977 13,800
MACK DMM 1978 13,800
MACK MB 1974 13,800
MACK MB 1975 13,800
MACK MB 1976 13,800
MACK MB 1977 13,800
MACK MB 1978 13,800
MACK RD 1974 13,800
MACK RD 1975 13,800
MACK RD 1976 13,800
MACK RD 1977 13,800
MACK RD 1978 13,800

Source: NHTSA Campaign 78V172000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.