2064791.2

Technical product information
Knocking noise from the front and/or rear (Driving over an uneven road surface)
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
Topic
Market
area
Brand
Transaction
2064791/2
No.
Level
EH
Status
Released for publishing
Release
04-Nov-2022
date
Event memory entries
Diagnostic address
00D5 - Sway stabilization 2
00D4 - Sway stabilization 1
00D4 - Sway stabilization 1
00D5 - Sway stabilization 2
Event memory entry
Fault type
C1298F1: Suspension stabilization actuator Regulation not possible
C1298F1: Suspension stabilization actuator Regulation not possible
C1298F1: Suspension stabilization actuator Regulation not possible
C1298F1: Suspension stabilization actuator Regulation not possible
Fault status
static
Intermittent
static
Intermittent
New customer code
Object of complaint
running gear -> adaptive suspension, pitch and roll compensation
running gear -> running gear, springs, shock absorbers -> stabiliser coupling
running gear -> running gear, springs, shock absorbers -> stabiliser coupling
running gear -> running gear, springs, shock absorbers -> stabiliser bar
running gear -> running gear, springs, shock absorbers -> stabiliser bar
running gear -> running gear, springs, shock absorbers -> stabiliser coupling
running gear -> running gear, springs, shock absorbers -> stabiliser coupling
rod
rod
rod
rod
Complaint type
noise, vibration
component / consumables -> damaged
component / consumables -> damaged
visual appeal / surface -> corrosion
visual appeal / surface -> corrosion
component / consumables -> damaged
component / consumables -> damaged
Vehicle data
New Continental GT/GTC and New Flying Spur
Sales types
Type MY Brand Designation Engine code Gearbox code Final drive code
3S3*
3S3*
3S3*
3S3*
3S3*
3S3*
3S4*
3S4*
3S4*
3S4*
3S4*
ZG2*
ZG2*
ZG2*
ZG2*
2018
2019
2020
2021
2022
2023
2019
2020
2021
2022
2023
2020
2021
2022
2023
INTERNAL
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
Position
front left
front right
front
rear
rear left
rear right
Documents
Document name
master.xml
INTERNAL
Technical product information
Knocking noise from the front and/or rear (Driving over an uneven road surface)
Transaction No.: 2064791/2
Release date: 04-Nov-2022
Customer statement / workshop findings
Knocking noise from the underside of the vehicle (front and/or rear) when driving on uneven road surfaces
Technical background
Verify that the customer complaint matches the sound file within the Bentley Hub - Reference TPI Transaction number 2064791/The noise present in the sound file can be caused by worn anti roll bar bushes, the noise can appear when driving over an uneven road surface
or during a large suspension input for example:
•
Speed humps or potholes
If the customer complaint occurs 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
Production change
Not applicable
Measure
NOTE: The photos shown within this TPI are of the front anti roll bar drop links, please note the issue may also be evident o n the rear
1) Carry out a full inspection of the suspension and steering system, pay particular attention to the following:
•
Worn front and/or rear anti-roll bar drop link bushes (Figure 1)
Figure 1
2) Check the front and/or rear anti roll bar drop link has not detached (Figure 2) in this scenario DTC (C1298F1: Suspension stabilization
actuator Regulation not possible) may also be evident within address D4 and/or D5
INTERNAL
Figure 2
3) Conduct a full inspection of the anti roll bar and surrounding components
4) Raise a DISS query ensuring any photos and videos are attached of the issues found NOTE: The operative does not have to wait for a
response before replacing parts, the required parts should be replaced as detailed in step 5
5) Referring to the applicable Rep.Gr - Replace the left and right drop links (front and/or rear)
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
Warranty accounting instructions
Front
Time to replace left and right anti roll bar links (Front)
Warranty type
110 or 910
Damage Service Number 40 78
Damage Code
00 20
Labour Operation Code 40 13 20 00
Time
100 TU
Rear
Time to replace left and right anti roll bar links (Rear)
Warranty type
110 or 910
Damage Service Number 42 91
Damage Code
00 20
Labour Operation Code
42 91 20 50
Time
20 TU
Time to remove and refit the left and right hand rear air spring dampers
Labour Operation Code
43 66 20 00
Time
140 TU
Parts information
Refer to the ETKA parts catalogue
INTERNAL