MACK R 1975: SERVICE BRAKES, AIR:ANTILOCK:INTERCONNECTING ASSEMBLY(WIRING)

General Information

NHTSA Campaign ID Number: 75V190000

Make Model Year
MACK R 1975
Date Owners Notified Date Received by ODI Date Added to Database
1976-02-23 1975-10-31 1979-10-12

Production Dates: 1974-10-01 - 1976-03-01

Manufacturers Involved: Mack Trucks, Inc.

Component: SERVICE BRAKES, AIR:ANTILOCK:INTERCONNECTING ASSEMBLY(WIRING)

Potential Number Of Units Affected: 3400

Report Initiator: MFR MFR Report

Notes

MACK CAMPAIGN NO Q1010.TRUCKS SEPT.1974 THRU JULY 17, 1975.POSSIBILITYTHAT THE POWER AND WARNING LIGHT LEAD FROM THE ANTI-WHEEL LOCK CONTROLLER FORTHE STEERING AXLE MAY HAVE BEEN INADVERTENTLY CONNECTED INCORRECTLY TO A WHEELSENSOR CABLE.IF THIS OCCURS,THE CONTROLLER ON THE STEERING AXLE WOULD NOT BEPOWERED NOR WOULD THE ANTI-WHEEL LOCK WARNING LIGHT INDICATE THENON-FUNCTIONING CONDITION TO THE DRIVER.THE ABSENCE OF ANTI-WHEEL LOCKCAPABILITY ON THE STEERING AXLE, ALONG WITH THE ABSENCE OF ANTI-WHEEL LOCKWARNING LIGHT INDICATION, COULD RESULT IN IMPAIRED VEHICLE CONTROL, SHOULD THEDRIVER UNDERTAKE A PANIC STOP IN SLIPPERY ROAD CONDITIONS.'CORRECT BYINSPECTING AND PROPERLY CONNECT WIRING TO ANTI-WHEEL LOCK CONTROLLER'.