Service brakes, airRecall 73V-102 · Mack vehicles

MACK TRUCKS, INCORPORATED recall 73V-102 covers 2,481 Mack vehicles for a service brakes, air problem, reported to NHTSA on May 4, 1973.

Vehicles repairedNo manufacturer report yet

Vehicles affected2,4813 models

ReportedMay 4, 1973Owners notified Aug 24, 1973

Complaints since0Same system, after the recall

Source: NHTSA recall 73V102000 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.

EQUIPPED WITH ANCHORLOK SPRING BRAKE CHAMBERS.MANF'D JAN.1971 THRU MARCH1973.TRUCKS.POSSIBILITY THAT THE CLAMP RINGBOLTS ON THE ANCHORLOK SPRINGBRAKE CHAMBER WERE INCORRECTLY POSITIONED AT TIME OF INSTALLATION.IN THISPOSITION THE END OF THE BOLT MAY CONTACT REAR AXLE HOUSING DURING BRAKEACTUATION.DUE TO BRACKET DEFLECTION, THE CLAMP RING OR BOLT MAY FAILPERMITTING THE SPRING BRAKE SECTION TO SEPARATE FROM THE SERVICE CHAMBER.(CORRECT BY INSPECTING AND REPOSITIONING CLAMP AND BOLTS).

Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.

3 models

Vehicles in this recall

Mack DM1971, 1972, 1973

Mack R1971, 1972, 1973

Mack RD1971, 1972, 1973

Built from January 1, 1971 to March 1, 1973. Not every vehicle in these model years is included; check by VIN.