2064779.2

Technical product information
Topic
Market
area
Brand
Creaking/squeak noise from the front suspension (upper inner lever bushes)
Russische Föderation (5RU),Australia E04 Bentley rest Asia and Australia (6E04),China 796 VW Import Comp. Ltd (Vico), Beijing
(6796),Germany E02 Bentley rest Europe (6E02),Japan E03 Bentley Japan (6E03),Korea, (South) E08 Bentley South Korea
(6E08),United Arab Emirates E06 Bentley Middle East and Africa (6E06),United Kingdom E01 Bentley UK (6E01),United States
E05 Bentley USA and rest America (6E05)
Bentley
Transaction
2064779/2
No.
Level
EH
Status
Released for publishing
Release
03-Nov-2022
date
New customer code
Object of complaint
Complaint type
Position
running gear -> shock absorber/suspension control -> jounce
noise, vibration -> creak front
running gear -> adaptive suspension, pitch and roll compensation noise, vibration
Vehicle data
Bentayga series
Sales types
Type
4V1*
4V1*
4V1*
4V1*
4V1*
4V1*
4V1*
ZV1*
MY
2017
2018
2019
2020
2021
2022
2023
2023
Brand Designation Engine code
E
*
E
*
E
*
E
*
E
*
E
*
E
*
E
*
Documents
Document name
master.xml
INTERNAL
Gearbox code
*
*
*
*
*
*
*
*
Final drive code
*
*
*
*
*
*
*
*
Technical product information
Creaking/squeak noise from the front suspension (upper inner lever bushes)
Transaction No.: 2064779/2
Release date: 03-Nov-2022
Customer statement / workshop findings
Customer statement
Creaking/squeak noise from the front suspension
Workshop findings:
Defective upper inner lever bush (Figure 1)
Figure 1
Technical background
Verify that the customer complaint matches the sound file within the Bentley Hub – Reference TPI Transaction number 2064779/The noise present in the sound file is caused by defective upper inner lever bush/bushes, the noise can appear in the following possible scenario
•
When the vehicle is moved with steering input over uneven surfaces (for e.g. a ramp or speed bump)
If the customer complaint occurs in any of the above circumstances and the noise can be clearly assigned to the noise within the sound file –
Refer to the instructions within the Measure section of this TPI
VERY IMPORTANT NOTE FOR HYBRID VEHICLES:
•
Hybrid vehicles use a High voltage system and MUST only be worked on by suitably qualified personnel.
•
Please ensure all guidelines within the repair manual are strictly followed before and whilst conducting any work on
vehicles with a High voltage system
Production change
Not applicable
Measure
1) Replace the left hand front (x2) and right hand front (x2) upper inner lever bushes - Refer to Repair manual Rep.Gr.40 front suspension,
upper lever bush/bushes - to remove and fit
Within the Repair manual procedure there are single use items which must be replaced and not reused. Ensure that new
replacements are available prior to starting this procedure – Refer to Elsa pro and ETKA parts catalogue
2) Depending on vehicle specification
Carry out wheel alignment and ensure the driver assist system calibrations are performed as follows:
•
Vehicle front + rear measured wheel alignment checked
•
Rear wheel camber adjust
•
Rear wheel track adjust
•
Front wheel camber adjust
•
Front wheel track adjust
•
(ACC) - Radar sensor checked + adjusted
•
Overhead view camera adjusted
INTERNAL
•
Driver assist camera adjusted
•
•
Control unit for (Lane change assist) adjusted
Night vision system calibration
•
Headlamps to adjust
3) Raise a non-technical DISS query attaching the following
•
Before and after screen shots of the wheel alignment results
•
Screen shots confirming the applicable drive assist systems have been successfully adjusted/calibrated
Warranty accounting instructions
Warranty type
110 or 910
Damage Service Number 40 13
Damage Code
00 40
Bentayga
Labour Operation Code 40 13 20 00
Time
100 TU (Time to replace the left hand front (x2) and right hand front (x2) upper suspension lever bushes)
Alignment procedures depending on vehicle specification
•
Vehicle front + rear measured wheel alignment checked - 44 95 03 00 - 110 TU
•
Rear wheel camber adjust - 44 94 15 50 - 30 TU
•
Rear wheel track adjust - 44 93 15 50 - 30 TU
•
Front wheel camber adjust - 44 89 15 50 - 40 TU
•
Front wheel track adjust - 44 88 15 50 - 20 TU
•
(ACC) - Radar sensor checked + adjusted - 91 63 05 51 - 30 TU
•
Overhead view camera adjusted - 90 83 15 00 - 40 TU
•
Driver assist camera adjusted - 96 38 15 50 - 120 TU
•
Control unit for (Lane change assist) adjusted - 96 35 15 00 - 50 TU
•
Night vision system calibration - 90 80 15 50 - 40 TU
•
Headlamps to adjust - 94 15 16 00 20 TU
Parts information
Part number
Description
Quantity
4M0 407 515A
upper inner lever bush
4
Refer to ETKA parts catalogue
Single use items (As per the applicable
Rep.Gr instruction)
As per the applicable
Rep.Gr instruction
INTERNAL