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Mack Rs (1979) – 79V164000

Vehicle recall defect – The Flange Head Pinch Bolts Used In The Yokes Of The Steering Shaft Assemblies May Have Been Overstressed Due To The Bolts Not Being Tightened To Specifications. As A Result, The Pinch Bolts Could Break While In Service.


Mack Rs (1976) – 78V030000

Vehicle recall defect – A Design Deficiency Exists In The Air Dryer Piping In The Area Of The Pressure Relief Valve And Compressor Governor Control Link. Moisture Is Passed And Builds Up In This Relief Valve And Control Line. In Freezing Ambient Temperatures, This Moisture May Freeze, Allowing The Chassis Air System Pressure To Exceed 150 Psi. Excessive Air System Pressure Can Cause Separation Of Air Piping ConneCTIons And Air System Valve Failure.


Mack Rs (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 Rs (1978) – 79V134000

Vehicle recall defect – In The Involved Trucks It Is Possible The Adjustable Steering Column Rear Mounting Bracket Could Fail, Allowing Steering Wheel Assembly To Fall Down Onto The Operator”S Lap.


Mack Rs (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.