Technical Service Bulletin
Topic
Market area
Brand
Transaction No.
Level
Status
Release date

Clicking noises from front corner(s)
Bentley: worldwide (2WBE),Hongkong-Macau (5HK)
Bentley
2052853/2
EH
Released for publishing
Jul 8, 2019

New customer code
Object of complaint
chassis -> steering, steering assist -> steer
chassis -> brakes, brake regulation -> foot brake
chassis -> damping\suspension regulation -> deflecting

Complaint type
Position
noises, vibrations -> snapping
noises, vibrations -> clicking
noises, vibrations -> noise
front

Vehicle data
Bentayga
Sales types
Type
4V1*
4V1*
4V1*

MY
2017
2018
2019

Brand Designation Engine code Gearbox code
E
*
*
E
*
*
E
*
*

Documents
Document name
master.xml

Final drive code
*
*
*

Technical Service Bulletin
Clicking noises from front corner(s)

Transaction No.: 2052853/2
Release date: Jul 8, 2019

Condition
Clicking noise from front corner(s)

Technical Background
In order to accurately diagnose and repair customer reported clicking noises from the front corner(s) the Measure section of this TPI consists of
three individual sections, each section describes the symptom and the remedy which should be applied
Symptoms and descriptions regarding clicking noises can appear to be very similar when described, where possible the
customer should demonstrate the reported symptom to enable correct diagnosis

Production Solution
Symptom 1 - Should only be conducted up to VIN SJAAC2ZV7HC016102 , should the symptoms be evident after this VIN the
retailer should raise a DISS query, please include as much information as possible including a clear video of the issue.
Symptom 2 - Should only be conducted up to VIN SJAAF1ZV1KC025919, should the symptoms be evident after this VIN the
retailer should raise a DISS query, please include as much information as possible including a clear video of the issue.
Symptom 3 – The VIN cut off for this issue is currently under investigation

Service
Symptom 1 - Single click from the front wheel corner(s) when the steering is moved from lock to lock whilst stationary
Ensure fault is as described and reference video https://vimeo.com/298953282 If so then replace both front lower inner control arm bushes
(Figure 1)
IMPORTANT: Please check the vehicle Repair History to confirm the inner bushes have not been previously replaced, if they have been
replaced once before, You must then replace the complete arm, Do Not carry out the bush replacement procedure more than
once (per lever)
IMPORTANT: Prior to starting this procedure ensure you have assembly lubricant part number G 052 566 A2 this must be used when fitting the
new replacement bushes, the lubricant should only be used when the bushes are replaced as per the instructions within TPI 2052853/Each bush should have 5ml of lubricant applied prior to fitment within the bush, the grease should remain present throughout the fitting/pressing
in procedure as the grease aids the fitting process and is also crucial once fitted to eliminate any further noise issues Please Note that x1 – 100
ml tube will be sufficient for use on 20 bushes (10 vehicles) – Do not order x1 tube of lubricant per each individual vehicle complaint
1) Remove the left and right hand side Lower suspension levers - Refer to Repair manual Rep.Gr.40
•

Once removed refer to the attached document and follow the instructions to replace the left and right hand side lever inner bushes

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

Figure 1
For this TPI only the best practice of replacing brake pads whenever new brake discs are fitted is only required if, on
inspection, the brake pads are determined not to be serviceable i.e. they are found to be worn, cracked, uneven wear (as per
Service Manual Visual inspection)
Symptom 2 - Continuous clicking noises from the front wheel corner(s) of the vehicle whilst driving forwards or in reverse – with
steering input and at low speeds (car park speeds)
Ensure fault is as described in customer statement and reference video https://vimeo.com/298953340
-If so then replace both front brake discs Rep.Gp.46 Front brake discs - to remove and fit
-Replace all front wheel bolts
Symptom 3 - Continuous clicking from the front wheel corner(s) whilst driving forwards with the brakes applied from 10mph to stop with no
steering input
Ensure fault is as described in customer statement and reference video https://vimeo.com/298953373
If so replace both front brake discs Rep.Gp.46 Front brake discs – To remove and fit

Warranty
On successful completion of this TPI the retailer should submit a DISS complaint query (only) ensuring the symptom number which was used to
solve the complaint is included within the query NOTE: Technical DISS queries are not required

Symptom 1 – Remove and refit the right and left hand front levers
Warranty Type

110 or 910

Labour Operation Code

40 17 20 00

Damage Service Number

40 17

Damage Code

00 20

Time

190 Time units

Replacement of the right and left hand front lower inner bushes
Warranty Type

110 or 910

Labour Operation Code

40 20 56 50

Damage Service Number

40 20

Damage Code

00 20

Time

20 Time units

Symptoms 2 and 3
Two wheels removed and reinstalled
Warranty Type

110 or 910

Labour Operation Code

44 05 20 00

Damage Service Number

46 50

Damage Code

00 20

Time

10 TU

Two front brake discs replaced
Warranty Type

110 or 910

Labour Operation Code

46 50 56 50

Damage Service Number

46 50

Damage Code

00 20

Time

90 TU

Required Parts and Tools
Symptom 1
Part Number

Description

Quantity

As per ETKA parts catalogue Front lower inner control arm bushes

2

G 052 566 A2

1

Assembly grease - 100 ml tube

Please Note that x1 – 100 ml tube will be sufficient for use on 20 bushes (10 vehicles) – Do not order x1 tube of lubricant
per each individual vehicle complaint
Symptoms 2 and 3
The required replacement parts should be ordered using ETKA parts catalogue from Bentley Motors Limited Crewe or through your regional
parts distribution centre