specification parts? Or fitted at the time ofproduction? (See Production change section of this
TPI for VIN information)
Please also look for the Blue paint completion mark as shown in Figure 8 (for steering rack)
and Figure 10 for (servotronic control unit),also check "Repair history" (in Elsa pro) should it be
e vident that the rack and servotronic control unit have not been previously replaced proceed
from procedure 2, should it be evident the rack and servotronic have been replaced go to
procedure 5
2. Replace the steering rack - Refer to Workshop manual Rep.Gr 48
3. Place a small blue paint completion mark on the power steering reservoir as shown in Figure 8 to
confirm the steering rack has been replaced.

Figure 8
4. Ensure the ignition is switched off then remove the UH boot panel and locate the servotronic
control unit (Figure 9)

Figure 9

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Page 9 of 12

- Remove and discard the original control unit
- Fit the replacement servotronic control unit with part number 3WO 907 307L
- Place a Blue paint completion mark on the new servotronic control unit to confirm the unit has been
replaced (Figure 10)

Figure 10
- Place a Yellow paint completion mark on the Right and Left hand wheel bearing housing as shown
in Figure 11 to confirm replacement

Figure 11
5. Refit all four road wheels, Refer to Workshop manual Rep.Gr 44 Tyres - Checking Condition and
Replacement - Radial force variation - Best fit practice
6. Carry out a full geometry check and adjust as required - Refer to workshop manual - Rep.Gr 44
Wheels , tyres. axle align
7. Road test the veh icle and reassess
NOTE: Should the condition still be evident please raise a DISS ticket and wait for further instruction
from TSC before commencing with any other work.

Warranty accounting instructions
Please Note: Normal Warranty policies are applicable.

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Time to carry out the initial flat spot recovery process and force match and balance all four
assemblies
Warranty Type

91Oor110

Labour operation code

44 40 94 00 (Use 44 40 94 99 for New GTC only)

Damage Service Number

44 40

Damage code

00 13

Time

Shop Time

Time to replace steering rack.
Warranty Type

910 or 110

Labour operation code

48 40 19 00

Damage Service Number

48 40

Damage Code

00 13

Time

270 Time units

Time to replace the Left and Right hand wheel bearing housings and Wheel bearings
Warranty Type

910 or 110

Labour operation code

40 50 56 00

Damage Service Number

40 50

Damage Code

00 13

Time

370 Time units

Time to replace servotronic control unit
Warranty Type

910 or 110

Labour operation code

48 69 19 00

Damage Service Number

48 69

Damage Code

00 13

Time

10 Time units

Time to check and set the vehicle geometry without ACC
Warranty Type

910 or 110

Labour operation code

44 95 03 00

Damage Service Number

44 95

Damage Code

00 13

Time

80 Time units

Time to check and set the vehicle geometry with ACC
Warranty Type

910or110

Labour operation code

44 95 03 10

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Damage Service Number

44 95

Damage Code

00 13

Time

150 Time units

Page l lofl 2

Parts information
Description

Part Number

Quantity

Steering Rack (LHD)

3W1422061D

1

Steering Rack (RHD) 3W2 422 061D

1

Servotronic control
unit

3WO 907 307L

1

Left front wheel
bearing housing

3WO 407 245A

1

Right front wheel
bearing housing

3WO 407 246A

1

Wheel hub bearings

3WO 407 613E 2

Hub bolt

8EO 407 643A

2

Hub carrier fixings

WHT 000 237

8

Bolt

N10 211 202

2

Bolt

N10 625 601

1

Steering column bolt

N10 518 404

1

Bolt

N90 966 002

2

Lock screw

WHT 001 480

2

Nut

N10 272 302

2

Nut

N90 892 302

2

Bolt

N10 491 802

2

Washer

N10 406 105

2

Steering fluid

JNV 862 564F

2 Litres

Seal washer

N01 384 94

2

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Seal washer

N01 384 86

2

Anti Gliss

RH 14530

1 x 500 Gram tin can be used for multiple
applications

Page 12of12

(]]
Should tyres be required, please ensure the new tyres are of the correct specification as detailed
within the Workshop Manual Rep.Gr 44 - Tyres - Checking Condition and Replacement

Customer information
The customer may notice an initial difference in the feel of the steering, however this is normal , the
difference is due to the fitment of the latest level higher friction steering rack.
Bentley branded Tyre Cradles are available as an approved accessory.
The tyre cradles have been designed and manufactured specifically for Bentley providing simple and
effective tyre protection.
Tyre flat spotting can be caused by medium to long term storage or from parking after a long drive,
especially where the tyre experiences large changes in temperature.
To prevent flat spotting , tyres need to be cooled in a controlled manner to enable the tyre to restore to
a constant radius.
Made from a unique polymer that moulds to the shape of the tyre the new Bentley Tyre Cradles
maintain the tyre shape whilst cooling and in storage.
The tyre cradles are easy to use, simply drive the car onto them in the desired parking area.

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