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Documents
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master.doc

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Workshop Campaign EA02
Flying Spur HVAC Refrigeration Pipe Clip Replacement - Corrosion (SC14/02)

Notes

Transaction No.: 2035328/3
Release date: Jun 27, 2017

Repair instructions

Technical background
Extended durability trials have identified corrosion on the outside of the air conditioning pipe where it passed through the left hand front wheel arch
area. This corrosion is only evident at the clipping point and is associated with the use of stainless steel clips. In extreme cases the corrosion would
compromise the pipe integrity and result in refrigerant loss.

Remedy
Clips that do not promote this type of corrosion are now specified. The procedure details the pipe inspection, and if required the corrective action
necessary before fitting the three replacement clips

Customer notification
Customers do not need to be informed directly of this campaign. Please ensure that all affected vehicles are checked and repaired during a service
visit. You should also inform your new and used car sales departments so that the vehicles affected can be checked and, if necessary, repaired
immediately (and not just before sale)

Warranty
To check the pipes only
Warranty Type

710 or 790

Labour Operation Code

87 44 01 00

Damage Service Number EA02
Damage Code

00 66

Time

70 TU

Criteria ID

01

To check and replace the pipes
Warranty Type

710 or 790

Labour Operation Code

87 44 20 00

Damage Service Number EA02
Damage Code

00 66

Time

170 TU

Criteria ID

01

Parts
The required replacement parts should be ordered from Bentley Motors Limited Crewe or through your regional Bentley parts distribution centre

Parts supply
New Part Number

Description

Displaced Part
Number

Quantity

RSGUV1.10-15W1

Clip 10x15

N0206517

2

RSGUV1.18-15W1

Clip 18x15

N0206405

1

N90737107

Bolt - locking

N90737107

1

In Addition to above the following are required for air conditioning pipe replacement
New Part Number

Description

Part Number

Quantity

4W0260706B

AC High pressure
pipe

4W0260706A

1

4W0260713A

AC Suction pipe

4W0260713

1

3D0260749C

O Ring

3D0260749B

2

4E0260749B

O Ring

4E0260749B

2

Parts despatch control

Repair instructions

Notes

Technical background
Extended durability trials have identified corrosion on the outside of the air conditioning pipe where it passed through the left hand front wheel arch
area. This corrosion is only evident at the clipping point and is associated with the use of stainless steel clips. In extreme cases the corrosion would
compromise the pipe integrity and result in refrigerant loss.

Check
If the vehicle is not already listed as repaired in the “Repair history” (in ElsaPro), check for the campaign identification mark, yellow paint mark on the
steel pipe (Figure 6), should neither be evident carry out the required work in accordance with these instructions

Parts
The required replacement parts should be ordered from Bentley Motors Limited Crewe or through your regional Bentley parts distribution centre

Work
1. Position the car on a ramp Refer to Maintenance manuals “Raising and supporting the car”
2. Put the vehicle into “Jack mode”
‒

Switch on the ignition

‒

Simultaneously press and hold down the ride height and damper setting buttons located on the lower centre console for five seconds,
until the self-levelling warning indicator is displayed in the drivers instrument panel

3. Remove the front left hand wheel arch liner Rep. Gr.66 Front wheel arch liners – To Remove and Fit
4. Remove the front undersheet Rep. Gr.66 Front undersheets – To Remove and Fit

Figure 1
5. Referencing figure 1 identify the three P clips (A,B and C) located in the front left wheelarch that require replacement

Figure 2
6. Using a T30 bit loaded into a ratchet spanner remove the fastener securing P clip (A). Remove and discard clip A (see Figure 1 and 2)

7. Remove and discard clips B and C (see Figure 1)

Figure 3

Figure 4
8. The three locations from which the clips have been removed should now be inspected for surface corrosion, use of a mirror will aid inspection.
Discolouration and light oxidation on the surface of the pipe is not detrimental and does not necessitate pipe replacement (see Figure 3). If the
pipe surface shows signs of extensive corrosion and pitting (see Figure 4) then that pipe should be replace
9. On cars where the pipe is serviceable, figure 3, fit three replacement clips. For position A and B fit new clip part number RSGUV1.10-15W1 in
position C fit new clip part number RSGUV1.18-15W1. If either pipe is found to have extensive corrosion then both pipes should be replaced
before replacing the clips, in this case follow the Air conditioning pipe replacement procedure detailed below.
10. Apply yellow paint campaign identification mark to the air conditioning suction pipe (see Figure 6)
11. Refit the front wheel arch liner Rep. Gr.66 Front wheel arch liners – To remove and fit
12. Refit the front left hand undersheet Rep. Gr.66 Front undersheets – To Remove and Fit
•

The vehicle can be taken out of “Jack mode” by Simultaneously press and hold down the ride height and damper setting buttons located on
the lower centre console for five seconds, until the self-levelling warning indicator is extinguished in the drivers instrument panel

Air conditioning pipe replacement
Before working on the refrigeration system, read and understand the Refrigeration system – safety and general information detailed
in the workshop manual Rep. Gr.87
1. This procedure is only to be performed if either pipe has extensive surface corrosion at the clipping points (see Figure 4)
2. Note: If the refrigeration system is left open for more than 30 minutes the accumulator will have to be replaced
1. Discharge the refrigerant from the system Rep. Gr.87 Refrigeration system – To discharge and charge

Figure 5
2. Locate the four joints securing the two pipes (see Figure 5). For each of the four joints remove the retaining screw -1- then separate the two
pipes, discard the O ring -23. Fit the two new pipes using new O rings coated in refrigerant oil. Tighten pipe joint retaining bolt -1- to 15Nm
4. Fit and secure the pipes using the three new pipe clips
5. Evacuate, recharge and leak test the refrigerant system Rep. Gr.87 Refrigeration system – To discharge and charge
6. Apply yellow paint campaign identification mark to the air conditioning suction pipe (see Figure 6)
7. Refit the front wheel arch liner Rep. Gr.66 Front wheel arch liners – To remove and fit
8. Refit the front undersheet Rep. Gr.66 Front undersheets – To Remove and Fit
•

The vehicle can be taken out of “Jack mode” by Simultaneously press and hold down the ride height and damper setting buttons located on
the lower centre console for five seconds, until the self-levelling warning indicator is extinguished in the drivers instrument panel

Identification

Figure 6
On completion apply a yellow campaign completion mark to the air conditioning suction pipe (large) such that the mark can be viewed through the
left hand front wheel arch liner (see Figure 6)

Repair instructions

Notes