Recalls for 1977 Mack R Series

DEFECT #1 - 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 #2 - STEERING:GEAR BOX (OTHER THAN RACK AND PINION)

Posted on: 1980-05-16
Description
The prefabricated pinch bolt clamp at the lower steering shaft lower yoke may not perform adequately when tightened to specifications.  The clamp may then deform and loss of clamping force and steering shaft disengagement may result.

Consequence


Corrective Action
Dealer will retrofit with lower steering shaft lower yokes that provide for integral pinch bolt installation in place of previous separately fabricated clamp for the pinch bolt.

Notes
Vehicle description: trucks.system: steering; power steering shaft; fabricated pinch bolt clamp.consequences of defect: disengagement of the steering shaft may cause loss ofvehicle control without prior warning and, possibly, an accident.