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.
FREIGHTLINER LLC – FREIGHTLINER/SUSPENSION
| Report Received Date | 07/26/1996 |
| NHTSA ID | 96V124002 |
| Consequence Summary | VEHICLES ARE SUBJECT TO VEHICLE TILT AND POSSIBLE ROLLOVER IN THE EVENT THAT BOTH EQUALIZING BEAMS, ON THE SAME SIDE OF THE VEHICLE, EXPERIENCE A SIMULTANEOUS SHAFT FAILURE. AFFECTED SUSPENSIONS CAN ALSO DROP AND CONTACT THE ROAD SURFACE GENERATING SPARKS WHICH COULD IGNITE FLAMMABLE MATERIAL. |
| Corrective Action | OWNER NOTIFICATION IS BEING CONDUCTED BY NEWAY ANCHORLOK. DEALERS WILL INSPECT AND REPLACE ALL SUSPENSION SUSPENSION BEAMS WITH SUSPENSION BEAMS CONTAINING APPROPRIATE SHAFTS. |
| Recall Code | NR (Not Reported) |
| Potentially Affected | 48 |
| Fire Risk When Parked | No |
| Do Not Drive | No |
| Recall Link | Go to Recall (https://www.nhtsa.gov/recalls?nhtsaId=96V124002) |
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