Mack Recall 78V172000: Steering, Linkages, Knuckle, Spindle, Arm

NHTSA recall 78V172000 · announced August 8, 1978 · filed by Mack Trucks, Incorporated · 13,800 units affected

The problem

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.

What to do

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

Official NHTSA recall notice →

Notes

VEHICLE DESCRIPTION: TRUCK TRACTORS.SYSTEM: STEERING; STEERING ARM.CONSEQUENCES OF DEFECT: LOSS OF STEERING CONTROL COULD LEAD TO LOSS OF VEHICLECONTROL AND AN ACCIDENT.

Vehicles covered by this recall

• 1974 Mack Cf
• 1975 Mack Cf
• 1976 Mack Cf
• 1977 Mack Cf
• 1978 Mack Cf
• 1974 Mack Dm
• 1975 Mack Dm
• 1976 Mack Dm
• 1977 Mack Dm
• 1978 Mack Dm
• 1974 Mack Dmm
• 1975 Mack Dmm
• 1976 Mack Dmm
• 1977 Mack Dmm
• 1978 Mack Dmm
• 1974 Mack Mb
• 1975 Mack Mb
• 1976 Mack Mb
• 1977 Mack Mb
• 1978 Mack Mb
• 1974 Mack Rd
• 1975 Mack Rd
• 1976 Mack Rd
• 1977 Mack Rd
• 1978 Mack Rd

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.