Audi A4: Refrigerant Circuit Components Allocation, High and Low Pressure Sides
Audi A4 (B9) 2016-2025 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
SEE MORE:
Attachments, Removing and Installing
Lock Carrier Cover, Removing and Installing
Special tools and workshop equipment
required
Removal Wedge -T40233-
Removing
- Remove the hook release lever. Refer to
→ Chapter "Hook Release Lever, Removing and Installing".
- Release the lock carrier cover catches -5-
on the radia
Subframe Crossbrace, Removing and Installing
Special tools and workshop equipment required
Torque Wrench 1331 5-50Nm -VAG1331-
Engine and Gearbox Jack -VAS6931-
Puller - Ball Joint -T40043-
Gearbox Support -T40173-
Locating Pin -T40334-
Caution
This procedure contains mandatory replaceable parts.
Refer to component overview an
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