Recalls for 1970 Mack Dm

DEFECT #1 - WHEELS:CENTER SECTION

Posted on: 1979-10-12
Description


Consequence


Corrective Action


Notes
Mack truck campaign no u1001.sept.22, 1970 thru april 6, 1 971.trucks.possibility that front hub may be defective.f ailure of front axle hub couldresult in loss of vehicle contr ol.(correct by inspecting and replacing hubwhere necessary.  ) vehicle chassis with rockwell-standard fh901 or fl901 front axl

DEFECT #2 - FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

Posted on: 1979-10-12
Description


Consequence


Corrective Action


Notes
Mack service bulletin no g1003.equipped with american-bosch ape-8vbb fuelinjection pump.manfd 9-70 thru 10-16 1971.trucks.possibility that linkconnecting governor fulcrum lever to fuel injection pump control racks canbreak and cause loss of fuel delivery controlto engine.should this conditionoccur, it could impair vehicle control.(correct by inspecting and installingspring clip on fulcrum lever to prevent engine overspeed.)

DEFECT #3 - SUSPENSION:MULTIPLE AXLE

Posted on: 1979-10-12
Description


Consequence


Corrective Action


Notes
Mack trucks campaign no sc060.trucks mfg'd 1967 thru jan.31, 1973.possibility that the suspension trunnion brackets may develop cracks.if suchcondition exists and cracks are not detected, continued operation couldultimately lead to trunnion tube separation from the trunnion and permit axleassembly dislocation.failure of the trunnion bracket could result in loss ofvehicle control without warning to the driver.(correct by inspecting andreplacing brackets where necessary).

DEFECT #4 - STEERING:LINKAGES

Posted on: 1979-10-12
Description


Consequence


Corrective Action


Notes
Mack campaign no r1005.equipped w/sgp48.trucks.possibility that if pitmanarm is not relocated and steering linkage readjusted, possible toggle conditionwill result in extreme right turn.(correct by inspecting and making necessaryadjustments.).