S7603

Service Bulletin Details

Public Details for: S7603

5th wheel mounting bolts inspection


- 2022 - 2021 -

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


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