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Recalls that may apply to the 1991 Mack MR

A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.

By component

United States: NHTSA, as of 2026-10-19
94V0320001994-02-15. VEHICLE SPEED CONTROL. FUEL INJECTION SYSTEM RECONFIGURATION TO COMPLY WITH ENGINE EMISSION STANDARDS CAUSE HIGHER ENGINE VIBRATION LEVELS WHICH LEAD TO EARLY WEAR AND COMPLETE FAILURE OF THE SECONDARY THROTTLE RETURN MECHANISM. Built 1987-07-01 to 1992-07-01.
91V1960001991-10-21. POWER TRAIN:MANUAL TRANSMISSION:SHIFT PATTERN INDICATOR. THE STONE BENNETT SHIFTERS DO NOT INDICATE THE RELATIVE POSITION OF THE SHIFT LEVER TO THE DRIVER. Built 1989-06-01 to 1991-01-01.
Canada: Transport Canada, as of 2026-10-19
19911531991-11-19. Powertrain. NOTE: VEHICLES EQUIPPED WITH ALLISON TRANSMISSIONS AND STONE BENNETT SHIFT SELECTORS. THESE VEHICLES DO NOT COMPLY WITH C.M.V.S.S. 102 - TRANSMISSION SHIFT CONTROL SEQUENCE. - GEAR POSITIONS IN RELATIONSHIP TO ONE ANOTHER ARE NOT DISPLAYED TO THE DRIVER. (EXAMPLE: R-N-D-3-2-1 ) CORRECTION: OWNERS WILL BE PROVIDED WITH DECALS AND INSTALLATION INSTRUCTIONS.

A campaign lists a year, a make and a model, and often only some of the vehicles built. A list with nothing on it is not a clearance either. The lookups below check one VIN.

Check one vehicle officially

Contains information licensed under the Open Government Licence – Canada.