Recalls for 1990 Mack Mr

DEFECT #1 - STEERING:LINKAGES

Posted on: 1994-10-18
Description
The steering arm can develop cracks causing the lever to break without warning.

Consequence
This can result in loss of steering control and an accident.

Corrective Action
Dealers will replace the steering levers with an improved steering lever with increased fatigue strength.

Notes
System: steering; linkages.vehicle description: heavy duty class 8 trucks equipped with fa(w) 14.3 spicerfront axle.note: if the vehicle is presented to an authorized dealer on an agreed upon service date and the remedy is not provided free of charge within a reasonable time or the remedy does not correct the defect, please contact mack trucks at 1-610-439-3011.  Also, contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.

DEFECT #2 - 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 #3 - POWER TRAIN:MANUAL TRANSMISSION:SHIFT PATTERN INDICATOR

Posted on: 1991-11-27
Description
The stone bennett shifters do not indicate the relative position of the shift lever to the driver.

Consequence
The shift lever does not meet the requirements of fmvss102.

Corrective Action
Install a decal displaying the relative shift positions.

Notes
System: transmission range selector; fmvss 102.vehicle description: heavy trucks with allison transmissions and stone bennettshifters.