Steering: linkagesRecall 90V-048 · 1988–1990 Mack CH
MACK TRUCKS, INCORPORATED recall 90V-048 covers 6,696 1988–1990 Mack CH for a steering: linkages problem, reported to NHTSA on March 12, 1990.
Source: NHTSA recall 90V048000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
THE UPPER AND LOWER PINCH BOLT ON THE STEERING PITMAN ARM AND THE LOWER PINCH BOLT CONNECTION ON SHEPHARD POWER GEARS WERE NOT TORQUED CORRECTLY.
The risk
PINCH BOLT COULD LOOSEN AND BREAK; THIS COULD CAUSE LOSS OF TRUCK STEERING CONTROL AND RESULT IN A CRASH.
The fix
INSTALL ENGLISH HEX HEAD BOLTS AND FLAT WASHERS; TORQUE PINCH BOLTS TO SPECIFICATIONS.
SYSTEM: STEERING WHEEL ARM PINCH BOLT.VEHICLE DESCRIPTION: HEAVY-DUTY TRUCKS WITH TRW POWER AND MANUAL GEARS AND SHEPPARD POWER GEARS.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.