Audi A4: Refrigerant Circuit Components Allocation, High and Low Pressure Sides
Audi A4 (B9) 2016-2026 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:
Rear Bumper Cover, Removing and Installing
Special tools and workshop equipment
required
Body Socket -T40078-
Depending on the equipment version, the following additional work must be
performed.
Removing
- Remove the bolts -1-.
- Push the wheel housing liner -3- to
the side.
- Remove the bolt -2-.
- Remove the nut
Overview - Suspension Strut and Upper Control Arm
Overview - Suspension Strut and Upper Control Arm
1 - Bolt
Replace after removing
2 - Control Arm
3 - Shock Absorber Fork
Removing and installing. Refer to
→ Chapter "Shock Absorber Fork, Removing and Installing".
4 - Bolt
Replace after removi
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