2067385/1

Technical product information
Topic
Market area
Brand
Transaction No.
Level
Status
Release date
Air conditioning not cooling and/or low refrigerant gas
Bentley: worldwide (2WBE)
Bentley
2067385/1
EH
Approval
New customer code
Object of complaint
Complaint type
air conditioning -> operation, air conditioning control
air conditioning -> ventilation, air distribution
air conditioning -> operation, air conditioning control
air conditioning -> ventilation, air distribution
functionality
functionality
control units, services
component / consumables
Position
Vehicle data
New Flying Spur and Bentayga
Sales types
Type MY Brand Designation Engine code Gearbox code Final drive code
4V1* 2022 E
ZG2* 2022 E
Documents
Document name
master.xml
INTERNAL
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Technical product information
Air conditioning not cooling and/or low refrigerant gas
Transaction No.: 2067385/1
Customer statement / workshop findings
•
Air conditioning not cooling and/or low refrigerant gas
•
DTC B10ABF0: Refrigerant pressure lower limit not reached may also be logged in diagnostic address 08
Technical background
In the event the issue is as described the operative should refer to the instructions within the Measure section of this TPI to assist in diagnosing
the reported issue
Before conducting the instructions within the Measure section the operative MUST refer to Rep.Gr 87 - Refrigeration system
- Safety and general information
Caution
Bentley Motors Limited would like to stress that tracer additives have not been approved for use in our refrigeration systems.
Tracer additives must not be used under any circumstances, failure to comply will invalidate warranty on all refrigeration system
components
Production change
-
Measure
Depending on the model type (see below Figure 1 Bentayga and Figure 2 New Flying Spur) the operative should check the rear HVAC unit
expansion valve connections for any HVAC system leaks, in the event a leak is discovered the operative should refer to the applicable Rep.Gr to
gain access to the leaking component(s) and replace the applicable parts (O-rings)
•
Once the location of the leak is identified all of the applicable O-rings should be replaced
TIP: Ensure the correct specified refrigerant sniffer/ detection leak tool is used to check for any signs of a leak
HINT: The operative Must ensure there is enough pressure in the HVAC system to successfully carry out the leak diagnosis, in
the event there is not enough pressure the operative must refer to Rep.Gr 87 - Refrigeration system - To discharge and charge
Bentayga
Figure 1
INTERNAL
New Flying Spur
Figure 2
•
Once the source of the leak is identified - Refer to Rep.Gr 87 and discharge the HVAC system
•
Conduct a visual inspection of all components/mating faces
•
Ensuring all components are free of damage/contamination replace all applicable O-Rings (complete sets)
•
Refer to Rep.Gr 87 - Charge the HVAC system
•
Confirm the leak is no longer evident
Warranty accounting instructions
Due to the various symptoms and repair methods which may be evident and/or required (depending on the symptom), the operative should refer
to the Labour operations section within Elsa pro when submitting rework claims which apply to the applicable symptom
Parts information
Refer to the ETKA parts catalogue
INTERNAL