2070030.1

Technical product information
Knocking noise from rear the rear air springs - Up to approximately 30 kmh/18mph
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
Topic
Market
area
Brand
Transaction
2070030/1
No.
Level
EH
Status
Approval
Release
date
New customer code
Object of complaint
whole vehicle -> vehicle areas -> rear-end
whole vehicle -> vehicle areas -> rear-end
whole vehicle -> vehicle areas -> rear-end
Complaint type
noise, vibration -> thump
noise, vibration -> thump
noise, vibration -> thump
Position
> not specified <
left
right
New workshop code
Object of complaint
Complaint type
Position
running gear -> running gear, springs, shock absorbers -> suspension strut noise, vibration -> noise rear left
running gear -> running gear, springs, shock absorbers -> suspension strut noise, vibration -> noise rear right
Vehicle data
New Flying Spur
Sales types
Type MY
Brand Designation Engine code Gearbox code Final drive code
ZG2* 2021 E
ZG2* 2022 E
ZG2* 2023 E
Documents
Document name
master.xml
INTERNAL
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Technical product information
Knocking noise from rear the rear air springs - Up to approximately 30 kmh/18mph
Transaction No.: 2070030/1
Customer statement / workshop findings
During light acceleration up to 30kmh/18mph a noise may be heard from the rear air springs
Hint:
The noise decreases after 30kmh/18mph due to normal driving conditions/outside influences for example - Road noise
Technical background
Please refer to the video on the Bentley Hub referencing TPI 2070030/In the event the issue detailed within the video is evident, this is normal behaviour, the vehicle is performing to specification, the noise is the air
spring solenoid valves closing to support longitudinal performance characteristics of the vehicle
If the noise is coming from the rear air spring solenoids this is normal operation to stop the rear of the vehicle from squatting when accelerating
The operation of the air spring solenoids in conjunction with the noise can be monitored in the following Measured values:
IDE 13523 - Rear Left
IDE 13524 - Rear Right
NOTICE
NOTICE: The noise is a characteristic the rear air springs are operating to specification
The operative should confirm there is no rear damper leakage or any other issues regarding the rear suspension, should no
leakage or issues be evident no further action required
Production change
The issue described can be evident on vehicles post the CP8 date of 08/03/21
Measure
Refer to the Technical background section
Warranty accounting instructions
In the event the vehicle is performing to specification warranty claims should not be submitted for work associated with this TPI
INTERNAL