S7603
Service Bulletin Details
Public Details for: S7603
5th wheel mounting bolts inspection
Models from 2022
2022 VOLVO VN |
Models from 2021
2021 VOLVO VN |
YELLOW - 5th wheel mounting bolts tightening Description: Yellow Group of companies reporting fifth wheel mounting bolts loose. Corrective Action: Torque check then torque the fifth wheel fasteners. While holding the nut with a wrench, torque the fastener head to 178 Nm (131 lbf-ft). If the fastener turns mark an "x" for the current position on the sheet that follows (see next page). After the check is complete bring the fastener to final torque of 275 +/- 45 Nm (203 +/- 33 lbf-ft). Repeat this process on all remaining fasteners. Ensure ALL fifth wheel fasteners are at the final torque of 275 +/- 45 Nm (203 +/- 33 lbfft) when complete. NOTE: As a part of the normal warranty claim process, please attach a completed page 2 of this document to the claim. UCHP SCC CODE: S7603 EXPIRATION DATE: 3/15/2022 CAUSAL PART NUMBER: 984833 Labor Code: 1720-16-09-01 Campaign, General 0.5hrs PARTS LIST: NA FOR MORE INFORMATION CONTACT: Guenter Schlottmann [email protected] Vin Number Stationary Fifth Wheel NOTE: As a part of the normal warranty claim process, please attach a copy of this document to the claim Position Fastener movement when torqued at 178 Nm Position 1 10 2 9 3 8 4 7 5 6 Fastener movement when torqued at 178 Nm Sliding fifth wheel option Position Fastener movement when torqued at 178 Nm Position 1 26 2 25 3 24 4 23 5 22 6 21 7 20 8 19 9 18 10 17 11 16 12 15 13 14 Fastener movement when torqued at 178 Nm