Antilock: control unit/moduleRecall 75V-050 · Mack vehicles
MACK TRUCKS, INCORPORATED recall 75V-050 covers 38 Mack vehicles for a antilock: control unit/module problem, reported to NHTSA on March 28, 1975.
Source: NHTSA recall 75V050000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
The fix
The remedy has not been described yet.
MACK CAMPAIGN NO N/A.TRUCK/ANTI WHEEL LOCK BRAKE CONTROL.OCT 1974 THRU NOV.26, 1974.POSSIBILITY OF THE ANTI-LOCK SYSTEM FAILURE.THE COMPUTER MODULECONTAINS A NUMBER OF PIN CONNECTIONS WHICH MAY BE DEFECTIVE AND COULD CAUSE ALOSS OF WHEEL ANTI-LOCK CONTROL WITHOUT WARNING TO THE DRIVER.SUCH A FAILUREOF THE SYSTEM WOULD NOT CAUSE THE "ANTI-LOCK INOPERATIVE" WARNING LIGHT TOFUNCTION.(CORRECT BY INSPECTING AND REPLACING COMPUTER MODULE WITH IMPROVEDDESIGN WHERE NECESSARY).
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.