Gear box: shaft sectorRecall 90V-052 · Mack vehicles
MACK TRUCKS, INCORPORATED recall 90V-052 covers 267 Mack vehicles for a gear box: shaft sector problem, reported to NHTSA on March 16, 1990.
Source: NHTSA recall 90V052000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
INTERFERENCE BETWEEN STEERING GEAR SECTOR SHAFT AND THE FRAME RAIL THROUGH HOLE CAN CAUSE SECTOR SHAFT WEAR AND CAN WEAKEN SHAFT CAUSE IT TO BREAK.
The risk
SHAFT FAILURE DURING VEHICLE OPERATION WOULD CAUSE LOSS OF STEERING CONTROL AND A CRASH WITHOUT PRIOR WARNING.
The fix
ENLARGE FRAME RAIL THROUGH HOLE TO PREVENT INTERFERENCE: REPLACE STEERING GEAR SECTOR SHAFT IF SCORED.
SYSTEM: STEERING GEAR SECTOR SHAFT.VEHICLE DESCRIPTION: HEAVY-DUTY TRUCKS.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.