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Mack Rm (1974) – 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 Rm (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 Rm (1974) – 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 Rm (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 Rm (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 Rm (1977) – 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 Rm (1977) – 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 Rm (1977) – 77V205000

Vehicle recall defect – A Deficiency Exists In The Welds Securing The Rear Spring Insulator Bracket To The Axle Housing. This Is Due To Improper Positioning Of The Weld, In Relationship To The Bracket And Axle Housing. Failure Of The Welds Would Cause Separation Of The Spring Insulator Bracket And The Axle Housing, Resulting In Improper Alignment Of The Affected Axle.


Mack Rm (1977) – 77V174000

Vehicle recall defect – The Involved Vehicles Do Not Conform To Federal Motor Vehicle Safety Standard No. 209, “Seatbelt Assemblies”. Although The Seatbelts In Question Performed Marginally With Respect To The 5000 Lb. Load Requirement, Additional Testing Confirmed That The Anchor Could Fail, Allowing Either The Anchor To Slip Over The Hold-Down Nut Or The Anchor To Separate Into Two Pieces.


Mack Rm (1977) – 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.