1981 MACK MR SERIES Recalls (2)

Campaign:: 81V155000 on 01/18/1982
Component:: Steering:gear box:shaft pitman
Manufactured:: 07/31/1981 - 08/31/1981
Affected:: 225
Defect:: 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.
Correction:: 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.
Campaign:: 84V036000 on 04/10/1984
Component:: Suspension:rear:springs:leaf spring assembly
Manufactured:: 09/30/1978 - 04/30/1982
Affected:: 3,421
Defect:: 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.
Correction:: 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.