NHTSA ID Number: 11028182
Manufacturer Communication Number: 2079600/1
TSB/Document Date: 2026-02-04
Summary
Belt tensioner damper replacement guidelines | V8 Kovomo. Condition: The belt tension damper is exhibiting oil leakage or signs of residual oil staining.
Technical Service Bulletin
Topic
Belt tensioner damper replacement guidelines | V8 Kovomo
Market area
Bentley
: worldwide (2WBE),China 796 VW Import Comp. Ltd (Vico), Beijing (6796)
Brand
Transaction No. 2079600/1
Level
EH
Status
Released for publishing
Release date
Jan 20, 2026
New customer code
Object of complaint
Complaint type
engine -> gear drive, chain drive, belt drive -> belt
tensioning damper
noises, vibrations -> noise
engine -> gear drive, chain drive, belt drive -> belt
tensioning damper
component, automotive fluids ->
damaged
Position
New workshop code
Object of complaint
Complaint type
Position
chassis -> wheel suspension, suspension, damping -> control arm
bearing
noises, vibrations ->
noise
right
chassis -> wheel suspension, suspension, damping -> control arm
bearing
noises, vibrations ->
noise
left
Vehicle data
Bentayga Series (V8 Kovomo variants)
Sales types
Type
MY
Brand Designation Engine code Gearbox code Final drive code
4V14D9 2018 E
*
*
*
4V14D9 2019 E
*
*
*
4V14D9 2020 E
*
*
*
4V14D9 2021 E
*
*
*
4V14D9 2022 E
*
*
*
4V14D9 2023 E
*
*
*
4V14D9 2024 E
*
*
*
4V14D9 2025 E
*
*
*
4V15D9 2024 E
*
*
*
4V15D9 2025 E
*
*
*
ZV1*
2023 E
*
*
*
ZV1*
2024 E
*
*
*
ZV1*
2025 E
*
*
*
Continental GT/GTC (V8 Kovomo variants)
Sales types
Type
MY
Brand Designation Engine code Gearbox code Final drive code
3S3*
2020 E
CVDA
*
*
3S3*
2021 E
CVDA
*
*
3S3*
2022 E
CVDA
*
*
3S3*
2023 E
DWMA
*
*
3S3*
2023 E
CVDA
*
*
3S3*
2024 E
DWMA
*
*
3S3*
2024 E
CVDA
*
*
3S42CB 2023 E
DWMA
UUR
WDX
3S42CB 2023 E
DWMA
UUR
UZL
3S42CB 2023 E
DWMA
UUR
TFM
3S42CB 2024 E
DWMA
UUR
WDX
3S42CB 2024 E
DWMA
UUR
TFM
3S44CB 2023 E
DWMA
UUR
TFM
3S44CB 2023 E
DWMA
UUR
UZL
3S44CB 2023 E
DWMA
UUR
WDX
3S44CB 2024 E
DWMA
UUR
TFM
3S44CB 2024 E
DWMA
UUR
WDX
Z23*
2025 E
*
*
*
Z24*
2025 E
*
*
*
Flying Spur (V8 Kovomo variants)
Sales types
Type MY
Brand Designation Engine code Gearbox code Final drive code
Z32* 2025 E
*
*
*
ZG2* 2021 E
CVDA
*
*
ZG2* 2022 E
CVDA
*
*
ZG2* 2023 E
CVDA
*
*
ZG2* 2023 E
DWMA
*
*
ZG2* 2024 E
CVDA
*
*
ZG2* 2024 E
DWMA
*
*
Documents
Document name
master.xml
Technical Service Bulletin
Belt tensioner damper replacement guidelines | V8 Kovomo
Transaction No.: 2079600/1
Release date: Jan 20, 2026
Condition
The belt tension damper is exhibiting oil leakage or signs of residual oil staining.
Technical Background
In the event the symptom is as described please refer to the Measure section of this TPI to confirm if the belt
tension damper requires replacement or not.
Production Solution
Not applicable
Service
WARNING
Always follow all general safety warnings and repair instructions outlined in ElsaPro before commencing
any work on the vehicle.
This information refers to the "Alternator drive belt tension damper’’ and the "Air conditioning belt tension
damper’’
Guidelines regarding the replacement of a Belt Tension Damper
1. Perform a thorough inspection for any active fluid leaks around the engine and associated components
while the engine is running.
Start the engine and allow it to idle for approximately 5 minutes to reach stable operating conditions.
2. Perform a condition check of the relevant drive belt.
Refer to the serviceability guidelines within ElsaPro Repair Group 13 – ‘Drive belts – To Check’
CAUTION
Before commencing work on and around the engine, ensure that it has cooled sufficiently. Failure to do so
may cause injury to personnel.
3. Replace the belt tension damper is any of the following is present during inspection.
•
Active oil leak on the belt tension damper is present, replace the relevant belt tension damper.
•
Belt condition not in line with serviceability guidelines, replace the relevant belt tension damper and
drive belt as required.
•
Noise which has been identified by the customer. Replace the relevant belt tension damper. And drive
belt only if it is not in line with serviceability guidelines as required.
If replacement is required as per the conditions stated above. Raise a Full Technical DISS query with the
required information and wait for approval.
For part replacement instructions refer to ElsaPro Repair Group 13.
NOTICE
Figure 1 below shows an example of dry oil stain marks on the belt tension damper. In this instance, the
belt tension damper SHOULD NOT be replaced. Unless it is accompanied by a customer complaint of
noise or a drive belt not compliant with serviceability guidelines.
Figure 1
In the event dry oil stain marks as shown above (figure 1) are spotted at service and no complaint of noise is
received from the customer with the drive belt confirmed as OK as per serviceability guidelines. The
operative should clean the affected area using a suitable cleaning agent. DO NOT replace the belt tension
damper in this scenario.
Warranty
Warranty type 110 or 910
Damage service number 13 73
Damage code 00 50
Tension Damper Check
Labour operation code 13 73 01 99
Time 10 TU
Bentayga Series
Tension Damper Replacement (Alternator)
Labour operation code 13 73 19 00
Time 70 TU
Tension Damper Replacement (Compressor)
Labour operation code 13 73 19 05
Time 80 TU
Continental GT/GTC/Flying Spur
Tension Damper Replacement (Alternator)
Labour operation code 13 73 19 00
Time 110 TU
Tension Damper Replacement (Compressor)
Labour operation code 13 73 19 05
Time 120 TU
The following will need to be attached to DISS on completion of the TPI, failure to do so will result in the
warranty claim being rejected:
•
Photographic evidence of an active Leak and/or oil staining
•
Photographic evidence of any belt damage and/or wear
Required Parts and Tools
0P2903133 A / B
Refer to Etka parts catalogue
- Advanced protection against the four main causes of engine...
- Delivers 40% stronger wear protection than industry...
- Provides 15% better deposit defense vs. industry standards...
- Up to 2.5X better heat protection vs. industry standards to...
- Engineered for excellent low-temperature flow, reducing...
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TSB/Document ID: 2079600/1
Replacement Service Bulletin Number:
MFR Communication Date: 2026-01-21
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
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