VOLVO CAR

SERVICE AND PARTS BUSINESS

Technical Journal
TITLE:

Test schedule for vehicle speed dependent vibrations at highway speeds
REF NO:

ISSUING DEPARTMENT:

CAR MARKET:

TJ 20803.20.1

Technical Service

United States and Canada

PARTNER:

ISSUE DATE:

STATUS DATE:

3 US 7510 Volvo Car USA

2019-10-02

2019-10-15

FUNC GROUP:

FUNC DESC:

2180

Engine mounting

Page 1 of 8

“Right first time in Time”
Attachment
File Name
T9379EN01.docx
TJ20803 instruction_EN.pptx

File Size
0.0435 MB
0.7309 MB

Vehicle Type
Type
224
225
227
234
235
236
238
246
256

Eng

Eng
Desc

Sales

Body

Gear

Steer

Model Year
2019-9999
2019-9999
2019-9999
2017-2017
2017-9999
2017-9999
2017-9999
2018-9999
2016-9999

Plant

Chassis range
0000001-9999999
0000001-9999999
0000001-9999999
0000001-9999999
0000001-9999999
0000001-9999999
0000001-9999999
0000001-9999999
0000001-0999999

Struc Week
Range
201835-999952
201817-999952
201846-999952
201617-999952
201624-999952
201646-999952
201646-999952
201717-999952
201505-999952

Produced in the USA and available as an electronic document. Hard copy documents are printed in USA on recycled paper containing
a minimum of 50% wastepaper and 10% post-consumer waste.
© 2019 VOLVO CAR USA, LLC

Technical Journal 20803.20.1
CSC Customer Symptom Codes
Code
C4
F3
F6
8N
F1
F2
ZE
XB
WX
F4
C3
F5
C6
D2
WV
WY
X1
H3
H4
X8
E7
WZ
8J
1M
1N
V6
V7
NY
V9
8A
W2
V2
W3
X7
V1

Description
Complete vehicle/Unusual noise/While driving
Complete vehicle/Unusual noise/During acceleration
Complete vehicle/Unusual noise/During deceleration
Driving/Unusual noise/Unsure when/at all times
Driving/Unusual noise/At engine shut off
Driving/Unusual noise/During acceleration
Idling/Unusual noise
Exhaust system/Rattle/rumble
Engine cooling fan (FC)/Unusual noise
Clutch/Unusual noise/Noise from engine compartment
Automatic transmission/Unusual noise
Gear selector/Unusual noise
Manual transmission/Unusual noise
Front/rear axle/Unusual noise
Suspension/Clicking/clonking noise/At start/stop
Suspension/Clicking/clonking noise/Unsure when/at all times
Suspension/Unusual noise
Steering wheel/Squeak/rattle/Steering column/wheel
Steering/Unusual noise/Unsure when/at all times
Steering/Unusual noise/At full turn
Suspension/Unusual noise
Suspension/Clicking/clonking noise
Shock absorption/Unusual noise
Wheels, tires, hubs/Unusual noise/Front
Wheels, tires, hubs/Unusual noise/Rear
Complete vehicle/Vibration/When driving below 45 MPH
Complete vehicle/Vibration/When driving above 45 MPH
Automatic transmission/Vibration
Gear selector/Vibration
Manual transmission/Vibration
Front/rear axle/Vibration/shake
Steering wheel/Vibration/shimmy/When driving above 45 mph
Steering wheel/Vibration/shimmy/When driving below 45 mph
Steering wheel/Vibration/shimmy/At idle
Tires/Vibration/out of round

VST Operation Number
DTC Diagnostic Trouble Codes
Rows beginning with * are modified
Note! If using a printed copy of this Technical Journal, first check for the latest online version.
Page 2 of 8

2019-10-15

Technical Journal 20803.20.1
Text
DESCRIPTION:
* Update in some of the attached TJ instructions.
This TJ is for vibrations at 80-135 km/h.
When writing a report, attach force variation measurement as instruction says.
In case of complain of Noise, Vibration or Harshness, NVH, and you need help from CMQ, some
“tools” have been created to help you to do a better and more precise fault tracing.
1. Question form to fill in and attach along with a vehicle report for faster support
2. Guideline to help you to sort out NVH related problems.
SERVICE:
N/A
VEHICLE REPORT:
Yes, together with a complete filled in attachment, included in this journal.
The attachment MUST be in English when sending in it to CMQ.
Use always function group 2180.

To view TJ attachment continue to next page. This TJ has two attachments.

2019-10-15

Page 3 of 8

Title
Action

Volvo Car Customer Service

Issue
1

Date
2015-02

Affected vehicles
Year
All

TJ Instruction T9379

Page:
Operation number:

Fault-tracing schedule NVH
Test protocol

Model
All

Cause
First issue

Engine

Transmission

Special tools
Description

Tool number

CHASSIS-EAR

9814108

Relevant vehicle
VIN

1 (3)

Model

Year

Engine

Steering

Chassis number

Transmission

Steering

TJ Instruction T9379

Page 2 (3)

1.

Note! ALWAYS start by inflating the tyres to comfort pressure.
Note! ALWAYS test drive with the customer and allow the customer to describe the interference.
Note! ALWAYS record the noise and include in the report.

2.

Questions to be filled in with the customer
1: When was the interference noticed for the first time?
Odometer:

_________ KM

Odometer:

_________ Miles

2: What type of interference?

☐ Noise
☐ Vibration

2:2 Experienced in?

☐
☐
☐
☐
☐

The steering wheel
Floor
Seats: Front
Seats: Rear
Seats: Third row (XC90)

3: When does the interference occur?
☐
☐
☐
☐
☐
☐
☐

Stationary vehicle during "revving engine"
uphill
Downhill
Whilst driving
Rolling vehicle
Acceleration
Deceleration

Speed:________

km/h

Speed:________

mph

Engine speed:________ Rpm
Which gear(s)?______________
☐ Recurring

☐ Sporadic

4: Weather conditions when the interference occurs?
Outdoor temperature:_______°C
☐ Dry road
☐ Wet road
5: What type of road surface?
6: Vehicle status?

________________________________________
☐ Cold
☐ Hot

TJ Instruction T9379

Page 3 (3)

3.

Further questions
7: Engine temperature?

_____________°C

8: If there is a sound file, where is it recorded?
☐ In the passenger compartment, front seat
☐ In the passenger compartment, rear seat
☐ Under the vehicle
☐ In the engine compartment
Describe at what second the noise is heard.________Sec?
9: Has Chassis-ear, 9814108, been used for fault tracing?
☐ Yes
☐ No
10: What type of recording equipment has been used?

_____________________

11: Space for further comments.
_________________________________________________________________________________________
_________________________________________________________________________________________

Vibrations in SPA cars at constant speed and moderate acceleration (mainly 80 - 135 km/h)

All Vehicles

Wheels

Tyres equipped with cavity reducing foam
If the vehicle has foam filled tyres, start with swapping wheels from a
known good car. If vibration is gone, start refitting original wheels one
by one until vibration returns. Remove the wheel/s which are causing
the vibration and remove the tyre, from the wheel for inspection.
Before the test
Check the status
of the wheels
regarding wear,
damage, dirt and
tyre pressure.
(Comfort pressure)

Drive the car at
least 15 minutes
at Smooth,
straight and dry
road to get rid of
the flat spot.

Lift the car directly after
the 15 minutes’ drive or
demount the tires and
store them lying, if you
don’t continue working
with the car directly.

ok

If no force
variation machine
is available. Use
a donor car
(without
vibrations), swap
wheels with
problem car and
check if vibrations
are gone.

*The production requirement regarding force variation is set for a
More info
about
vibration
due to
wheel/tyre,
see
TJ32161
2018-05-07

tyre pressure of 3.0 bar.
S60/V60 105N
XC60 120N
S90/V90 105N
V90CC 90N
XC90 120N

( 23 lb. )
( 26 lb. )
( 23 lb. )
( 20 lb. )
( 26 lb. )

If the force variation value is higher than that, the tire is not up to
specification and has to be replaced.
Claim tyres which are out of production specification to the supplier.
TJ 20803

Ok
Release
vehicle

Analyse and report

Mass balance all
wheels at 3,0 Bar
Check force
variation and
match tyre to rim if
possible and
necessary.
Replace all tyres
with a force
variation that is out
of production
specification*.
Test drive the car
with comfort
pressure.

Most customers will accept minor
vibrations up to 120 N(26lb) at
Comfort tyre pressure, however in
some cases to be able to satisfy a
critical customer it may be needed
to lower the requirement to 65
N(14lb) by following the service
procedures mentioned in
TJ 32161.
Measure force variation again and
save the measurement values:
1. with comfort pressure
2. with a tyre pressure of 3.0 bar
Send force
variation and
pressure values
to technical
helpdesk

AWD
see next page

not ok
1

All wheel driven car (Make sure that tyres are okay, see page 1)
Vehicles with no green line and white dot* Order and
mount a new assembly of companion flange and
torsional damper (See VIDA, depending on chassis
number). Reassemble all parts.
Test drive
Not ok
Still vibration

Ok
Release vehicle

Remove the propeller shaft.
Decouple the fuse to the rear drive unit.
For the XC90 remove the DEM (Differential Electronic Module)
fuse in the luggage compartment. For all other models,
remove the connector directly on the rear drive unit.
Test drive
Not ok
Still vibration

Ok
No vibration

Contact technical helpdesk
2018-05-07

TJ 20803

Set back DEM fuse (without propeller shaft).

Test drive
Not ok
Still vibration
Order and mount a new AOC
(Active On demand Coupling)
and reassemble propeller
shaft.

Ok
No vibration

Order a new
propeller shaft.

Test drive
Not ok
Still vibration

Ok
Release vehicle

*White dot against blue line (+/-30 degrees)
(Green line is just for supplier, clamp correctly mounted)
If not match blue line against white dot.

Contact technical helpdesk
2