IMPACT 4.07.
172 27/09/2023
Printed by:Myint Htun
Service
Chassis ID Path
JPCT 24949 64/Technical Service Bulletins//Abnormal noise while operating steering gear
Model Identity
UD-HDE 163305062
Publish date ID/Operation
21/04/2022 64003001
Copyright to this documentation belongs to the Volvo Group. No reproduction, copying, change, amendment or other similar disposal is entitled without prior written consent by
the Volvo Group
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
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IMPACT 4.07.172 27/09/2023
Abnormal noise while operating steering gear
Technical Service Bulletin UDE-64-003-001
Valid for:
Quester (All Models) and Croner (FAL 7.1)
Breakpoints:
Part no GB Serial no Variant Model
5223429529 21396 FAA10, STWPOS-L, STG24.2
5223429530 27117 FAA10, STWPOS-R, STG24.2
5223429525 21673 FAA10, STWPOS-L, STG22.2
5223429526 23889 FAA10, STWPOS-R, STG22.2 Quester
5223429527 20341 FAA20, STWPOS-L, STG26.2
5223429528 20739 FAA20, STWPOS-R, STG26.2
5223397561 1669 STWPOS-R, STG22.2
5223758677 619 STWPOS-R, STG26.2 Croner
Problem:
Abnormal noise while operating steering gear.
Reason:
Steering gear internal defect in case of active steering noise.
Inherent characteristic of steering gearbox noise in case of end noise.
Copyright to this documentation belongs to the Volvo Group. No reproduction, copying, change, amendment or other similar disposal is entitled without prior written consent by
the Volvo Group
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
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IMPACT 4.07.172 27/09/2023
Action:
Any truck reported with Steering gearbox noise need to follow as below,
To identify condition when noise is observed,
In engine on condition, turn the Steering wheel from centre to full Right / Left and release in static condition and check
for any noise from steering gearbox. Repeat the above while truck is moving at low speed.
No further action required, If the noise is heard while releasing the steering wheel from extreme right/left.
If noise is heard while turning steering wheel from centre to right or centre left,
1. Confirm no leakage and air bubble in steering lines (64534-2 Filling of hydraulic oil)
2. Visual inspection of steering linkages for any fouling or loose parts.
• Check the steering shaft
• Check clearance in the ball joints (64313-2 Ball joint, link rod and track rod, axial play, check).
If the above points are checked and still we are able to hear the noise, then replace the steering gearbox and provide
the information as per “Warranty Bulletin 5.6.64.2”
Copyright to this documentation belongs to the Volvo Group. No reproduction, copying, change, amendment or other similar disposal is entitled without prior written consent by
the Volvo Group
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
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IMPACT 4.07.172 27/09/2023
Above picture shows the Camera position from where the video needs to be recorded, video need to have clear audio
of the steering noise and visibility of Instrument cluster.
TSB Solution Part List:
No new part
Warranty Claim Instruction:
Follow up code: 856
Causal Part Number: As per the IMPACT steering Gearbox part number
Part / Operation Description Quantity / Mandatory / Optional Main /
Number Hours Additional
Labour 64213-2 Steering gear, replace As per Main
IMPACT
64534-2 Filling of hydraulic oil As per Additional
IMPACT
64313-2 Ball joint, link rod and track rod, As per Additional
axial play IMPACT
When gearbox is replaced, provide serial number of both old and new part in warranty claim according to Warranty
Binder 2.2.2.7
TSB actions Truck within warranty Truck outside warranty
In the event of failure UDT pays warranty costs UDT does not pay warranty costs
As a preventive measure UDT does not pay UDT does not pay
Copyright to this documentation belongs to the Volvo Group. No reproduction, copying, change, amendment or other similar disposal is entitled without prior written consent by
the Volvo Group
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
4/5
IMPACT 4.07.172 27/09/2023
Issued by Technical Support
Apr 11, 2022
Copyright to this documentation belongs to the Volvo Group. No reproduction, copying, change, amendment or other similar disposal is entitled without prior written consent by
the Volvo Group
The information contained herein is current at the time of its original distribution, but is subject to change. The reader is advised that printed copies are uncontrolled.
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