2054862.10

Technical product information
Bentayga Front brake squeal - 1.5 KHz to 2.0 KHz
Australia E04 Bentley rest Asia and Australia (6E04),China 723 Volkswagen (Anhui) Automotive CO (6723),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
2054862/10
No.
Level
EH
Status
Approval
Release
date
New customer code
Object of complaint
Complaint type Position
running gear -> brake system noise, vibration
Vehicle data
Bentayga series
Sales types
Type MY
Brand Designation Engine code Gearbox code Final drive code
4V1*
4V1*
4V1*
4V1*
4V1*
E
E
E
E
E
2017
2018
2019
2020
2021
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
Cha sis numbers
Manufacturer Filler Type Filler MY Factory From To
Prod from Prod to
SJA
*
*
*
*
C
000001 037924
Documents
name
INTERNAL
Customer statement / workshop findings
Front brake squeal with a frequency of 1.5 KHz to 2.0 KHz
Technical background
Modified front brake Callipers and modified front brake disc guard plates are available on receipt of a qualifying DISS query
Referring to Figure 1, the replacement front callipers have a Dynamic absorber fitted (A), the brake disc guard plates (B) are pre modified to fit
around the absorber
Figure 1
Production change
SJAAD14VXMC037924 - With black front brake calliper
SJAAL1ZV1MC037774 - With red front brake calliper
Should any issues be evident post the afore mentioned VCO’s please raise a DISS query before conducting any further work
Measure
1) Refer to Brake Noise Identification TPI 2052785/- and supply a recording and confirmation of the brake squeal including frequency
Refer to the Bentley Hub (Reference TPI 2054862/-) for an example of the specific brake noise
•
Confirm the brake components are in a serviceable condition
Should the brake discs or brake pads not be in a serviceable condition this must be amended and retested to confirm if the
squeal is still evident before replacing the brake callipers and brake disc guard plates
INTERNAL
Normal Warranty and Elsa pro guidelines apply regarding brake disc and pad replacement as follows:
All authorised Bentley Retailers must guarantee their workmanship for 12 months or12,000 miles (19,300 kilometres), whichever occurs first
Wear and Tear and Service Items
Items where the lifetime of the component is or can be influenced by driving style and external factors will only be considered under the terms of
the Warranty for a period of six months or 6,250 miles (10,060 kilometres), whichever occurs first. Beyond that limit, the defects must be
classified as wear and tear and will not be covered by the Warranty
IMPORTANT: For frequency analysis the noise recording equipment Bentley Motors recommends is - Chassis ear tool WT 10437
•
If the sound recording produces a frequency of 1.5 KHz to 2.0 KHz and the brake components are in a serviceable condition carry out the
onward instructions
NOTE: Within this procedure there are single use items, please ensure you have stock of the suggested parts prior to starting the procedure Refer to applicable repair manual chapters and the ETKA parts catalogue
Removal of original components
2) Remove both front brake callipers and brake pads - Refer to Repair manual Rep.Gr 47
•
Remove both front brake discs - Refer to Repair manual Rep.Gr 46
•
Remove both front brake disc guard plates - Refer to Repair manual Rep.Gr 46
Should the brake discs and/or brake pads not be in a serviceable condition the applicable parts must be replaced NOTE:
Normal Warranty and Elsa pro guidelines apply regarding brake disc and pad replacement
Fitting the replacement modified components
3) Fit both front brake disc guard plates - Refer to Repair manual Rep.Gr 46
•
Fit both front brake discs - Refer to Repair manual Rep.Gr 46
•
Fit the replacement front brake callipers and brake pads - Refer to Repair manual Rep.Gr 47
•
Referring to Figure 2, once fitted check and confirm the disc guard plates are not touching the brake calliper Dynamic absorber
Figure 2
INTERNAL
Warranty accounting instructions
Right and Left hand front - Guard plate and Calliper removal and refitting
Warranty Type
110 or 910
Damage Service Number 47 39
Damage Code
00 20
Labour
Labour Operation Code 47 39 42 00
Time
190 Time units
Frequency diagnosis including road test
Labour
Labour Operation Code 47 01 01 00
Time
80 Time units (includes road test 01 21 00 00 - 50 Time units)
Parts information
Description
Part Number
Left brake disc guard plate
36A615311A
Right brake disc guard plate 36A615312A
Right hand calliper (Black)
36A615108D
Left hand calliper (Black)
36A615107D
Right hand calliper (Red)
36A615108E
Left hand calliper (Red)
36A615107E
Disc guard plate fixings
Refer to ETKA
Front Calliper fixings
Refer to ETKA
Customer information
Exclusions from Warranty
Warranty claims are excluded in cases where the claim is directly related to the fact that:
• The customer failed to report the defect as soon as it became apparent or did not allow the required repairs to be carried out as soon as
possible
• The fault was caused by outside influences, such chemical or vegetation damage, flying gravel/stones, aggressive cleaning agents, etc
• The vehicle has been previously repaired without following Bentley Motors repair procedures
• Parts have been fitted to the vehicles that are not approved by Bentley Motors
• The customer has failed to follow the regulations for use of the vehicle
• The vehicle was overburdened or used for purposes for which it was not intended (e.g.racing, towing excessive loads, etc.)
• Natural wear and tear is excluded from the Warranty
INTERNAL