Spindle: armRecall 78V-172 · Mack vehicles
MACK TRUCKS, INCORPORATED recall 78V-172 covers 13,800 Mack vehicles for a spindle: arm problem, reported to NHTSA on August 8, 1978.
Source: NHTSA recall 78V172000 and manufacturer quarterly reports. Started by the manufacturer.
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.
The fix
THE DEALER WILL INSPECT AND, IF NECESSARY, INSTALL CROSS STEERING ARMS OF IMPROVED DESIGN AND GREATER STRENGTH.
VEHICLE DESCRIPTION: TRUCK TRACTORS.SYSTEM: STEERING; STEERING ARM.CONSEQUENCES OF DEFECT: LOSS OF STEERING CONTROL COULD LEAD TO LOSS OF VEHICLECONTROL AND AN ACCIDENT.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.