Steering: hydraulic power assist systemRecall 74V-100 · 1974 Mack Mack
MACK TRUCKS, INCORPORATED recall 74V-100 covers 567 1974 Mack Mack for a steering: hydraulic power assist system problem, reported to NHTSA on June 24, 1974.
Source: NHTSA recall 74V100000 and manufacturer quarterly reports. Started by the manufacturer.
What's wrong
The problem
What to do
The fix
The remedy has not been described yet.
MACK CAMPAIGN NO N/A.TRUCK TRACTOR.POSSIBILITY THAT THE PINS THAT ATTACH ACAP TO THE PISTON ASSEMBLY IN THE DRAG LINK TORQUE VALVE, IN THE AIR-O-MATICPOWER STEERING SYSTEMS, MAY NOT BE ADEQUATE TO RETAIN THE CAP TO THE PISTON FORTHE DURATION OF ITS EXPECTED LIFE.(CORRECT BY INSPECTING AND REPLACING TORQUEVALVES WITH NEW ONES).
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.