Recalls for 1981 Mack R Series

DEFECT #1 - VEHICLE SPEED CONTROL:CABLES

Posted on: 1986-01-22
Description
The accelerator rod hole clearance is not adequate and can cause the accelerator linkage to bind.  Consequence of defect: if binding occurs while in a full throttle position, accelerator control would be lost without warning and an accident could occur.

Consequence


Corrective Action
Enlarge the accelerator rod hole to eliminate interference within accelerator linkage.

Notes
System: acceleration control linkage.  Vehicle description: heavy duty trucks with e6 engines.

DEFECT #2 - SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY

Posted on: 1984-04-11
Description
Spring seat can deform, which causes a decrease in the clamping force in the suspension assembly.  Loss of clamping force may bring about axle misalignment or axle housing failure.

Consequence


Corrective Action
The axle housing will be inspected and replaced, if necessary.  The spring seats will also be replaced.

Notes
Vehicle description: heavy trucks.system: suspension; rear spring seat.consequences of defect: loss of vehicle control could occur without warning,possibly resulting in an accident.

DEFECT #3 - EXTERIOR LIGHTING

Posted on: 1982-01-08
Description
The right hand clearance lamp is obscured, from certain angles of vision, by the in-line precleaner air cleaner cap.  The involved vehicles fail to conform to federal motor vehicle safety standard no.  108, lamps, reflective devices, and associated equipment.

Consequence


Corrective Action
Dealer will replace the air cleaner with one of acceptable height.

Notes
Vehicle description: trucks.system: lighting and communications; clearance lamp.consequences of defect: if the clearance lamp is not adequately visible, avehicle accident could occur.

DEFECT #4 - STEERING:GEAR BOX:SHAFT PITMAN

Posted on: 1982-01-19
Description
The pitman arm retaining bolt may not have been tightened to the required specifications due to a design change.  Inadequate retention of the bolt to the output shaft could allow the pitman arm to loosen.

Consequence


Corrective Action
The dealer will inspect and, if necessary, retorque the retaining bolt to proper specifications at no charge.

Notes
Vehicle description: trucks.system: steering; pitman arm retaining bolts.consequences of defect: should this loose condition go uncorrected, the splinedgrooves on the output shaft could wear smooth, causing loss of steeringcontrol, without prior warning, and a vehicle accident.