dmm

Mack Dmm (1976) – 78V068000

Vehicle recall defect – An Axle “No Brake” Condition Could Result From An Eaton Controller Internal Electrical MalfunCTIon. This Condition May Cause The Anti-Wheel Lock Valve Solenoid To Be Continuously Energized And Prevent The Brakes From Being Applied On One Of The Axles. As A Result, The Anti-Wheel Lock Warning Lamp Is Not Activated.


Mack Dmm (1976) – 77V173000

Vehicle recall defect – The Flex Blade Fans On The Involved Vehicles May Develop Cracks In The Laminated Stiffener As A Result Of Fatigue During Operation. If Such A Condition Exists And The Cracks Go Undetected, Continued Operation Could Cause Pieces Of The Stiffener To Break Off.


Mack Dmm (1975) – 78V172000

Vehicle recall defect – The Existing Cross Steering Arms May Have Insufficient Fatigue Life In The Neck Area. This Is Near The Boss For The Cross Steering Tube Ball Joint ConneCTIon. Failure Of Either Of The Cross Steering Levers Could Lead To Loss Of Steering Control Of The Right Front Wheel.


Mack Dmm (1975) – 78V068000

Vehicle recall defect – An Axle “No Brake” Condition Could Result From An Eaton Controller Internal Electrical MalfunCTIon. This Condition May Cause The Anti-Wheel Lock Valve Solenoid To Be Continuously Energized And Prevent The Brakes From Being Applied On One Of The Axles. As A Result, The Anti-Wheel Lock Warning Lamp Is Not Activated.


Mack Dmm (1980) – 90V034000

Vehicle recall defect – Crack May Develop On Steering Arm That Could Progress And Reduce The Fatigue Life Of The Steering Arm.


Mack Dmm (1979) – 79V133000

Vehicle recall defect – In The Event Of Turbocharger Compressor Wheel Failure, One Or More Of The Four Capscrews That Hold The Turbocharger Together May Be Struck By Parts Of The Compressor Wheel, Resulting In The Capscrews Being Damaged. If These Capscrews Are Damaged To The Point That They Allow The Compressor Back Plate To Dislocate From The Turbocharger Bearing Housing, Engine Lubricating Oil May Be Allowed To Escape Under Pressure, ContActing The Engine Exhaust Manifold SeCTIons Or Turbocharger Turbine Housing.


Mack Dmm (1978) – 79V133000

Vehicle recall defect – In The Event Of Turbocharger Compressor Wheel Failure, One Or More Of The Four Capscrews That Hold The Turbocharger Together May Be Struck By Parts Of The Compressor Wheel, Resulting In The Capscrews Being Damaged. If These Capscrews Are Damaged To The Point That They Allow The Compressor Back Plate To Dislocate From The Turbocharger Bearing Housing, Engine Lubricating Oil May Be Allowed To Escape Under Pressure, ContActing The Engine Exhaust Manifold SeCTIons Or Turbocharger Turbine Housing.


Mack Dmm (1978) – 78V210000

Vehicle recall defect – Delays Of Up To About 2 Seconds May Exist In The Brake Application Times To The Brakes On The Bogie Axles In The Presence Of Certain Types Of Wheel Speed Sensor Signal Discontinuities Or Distortions That May Occur As A Result Of Sensor Wire Failure. This Constitutes A Non-Compliance To Federal Motor Vehicle Safety Standard No. 121, “Air Brake Systems”.


Mack Dmm (1978) – 78V172000

Vehicle recall defect – The Existing Cross Steering Arms May Have Insufficient Fatigue Life In The Neck Area. This Is Near The Boss For The Cross Steering Tube Ball Joint ConneCTIon. Failure Of Either Of The Cross Steering Levers Could Lead To Loss Of Steering Control Of The Right Front Wheel.