Recalls for your 1989 Mack Mh

Recalls for 1989 Mack Mh

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2 recalls found.
All Mack Recalls
Mack MH Series (AJM CCUSA)

AJM STUDIOS posted a photo:

Mack MH Series (AJM CCUSA)

1985 Mack MH 613. Car Candid USA Collection. 2022.

DEFECT #1 - VEHICLE SPEED CONTROL


Posted on: 1994-03-01
Description
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.

Consequence
In the event the primary throttle return fails, failure of the secondary throttle return system would not provide protection against loss of throttle control.

Corrective Action
A new production secondary throttle return system configuration will be installed.

Notes
System: fuel; fuel pump.vehicle description: class 8 trucks equipped with e6 and e7 engines with robert bosch p7100 mechanically-governed fuel injection pumps.note: if your vehicle is presented to an authorized dealer on an agreed upon service date and the remedy is not provided within a reasonable time and free of charge or the remedy does not correct the defect or noncompliance, please contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.

DEFECT #2 - SUSPENSION:FRONT


Posted on: 1989-06-05
Description
Torque rod bolts are grade 2 instead of grade 5, which is not to specification, and could fail.

Consequence
Bolt failure could allow the rear axle to shift; thiscould adversely affect truck control and could result in a crash.

Corrective Action
Replace torque rod bolts with bolts of the proper specification.

Notes
System: suspension/torque rod fasteners.vehicle description: heavy duty trucks with reyco suspension.