Audi A4: Refrigerant Circuit Components Allocation, High and Low Pressure Sides
Audi A4 (B9) 2016-2024 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit General Information / Refrigerant Circuit Components Allocation, High and Low Pressure Sides
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General Information
High pressure side are the condenser, receiver/dryer and
restrictor or expansion valve to separate the high and low
pressure liquid ends.
High pressure results from the restrictor or expansion valve
Condenser
The condenser conducts heat from compressed refrigerant gas
to the ambient air.
This condenses the refrigerant gas to fluid.
Note
Depending on the version of the refrigerant circuit, the
r
Reservoir
The reservoir collects the vaporized and gaseous mixture
coming from the evaporator to ensure the compressor only
receives gaseous refrigerant. Gaseous refrigerant is formed from
the vapor.
The ref
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Special Tools
Special tools and workshop equipment required
Locking Pin -T10060A-
Engine Support - Supplement Kit - Adapter -T40093/6- from
the Engine Support - Supplement Kit -T40093A-
Clutch Module Assembly Aid -T40169-
Clutch Module Transportation Lock -T40170-
Wrench - 21mm -T40263-
Ada
Vehicle Diagnosis, Testing and Information Systems
WARNING
During road tests using a vehicle diagnostic and
information system, there is the hazard of extreme to
lethal injuries!
If vehicle diagnostic and information system is
deposited in the action area of an airbag during a road
test, here is the hazard of extreme to lethal injuri
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