THE EQUALIZING BEAM SHAFT OF THE TANDEM AXLE SUSPENSION WERE MANUFACTURED FROM AS-ROLLED SAE4140 STEEL RATHER THAN THE SPECIFIED ANNEALED SAE4140. THESE SHAFTS CAN FRACTURE INSIDE THE BEAM AT THE TOE OF THE WELD.
THE EQUALIZING BEAM SHAFT OF THE TANDEM AXLE SUSPENSION WERE MANUFACTURED FROM AS-ROLLED SAE4140 STEEL RATHER THAN THE SPECIFIED ANNEALED SAE4140. THESE SHAFTS CAN FRACTURE INSIDE THE BEAM AT THE TOE OF THE WELD.
THE MACHINING PERFORMED ON THE BRAKE DRUMS WILL NOT PERMIT THE DRUM TO SEAT FULLY AGAINST THE HUB FACE. THE REDUCED BRAKE DRUM AND HUB CONTACT AREA WILL ABRADE AND FRET ALLOWING THE WHEEL MOUNTING JOINT TO LOOSEN.