Overview - Refrigerant Lines, Expansion Valve, Inner Heat EXCHANGER

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Fig 1: Refrigerant Lines, Expansion Valve, Inner Heat Exchanger, Component Location Overview

Courtesy of AUDI OF AMERICA, LLC

Retaining Clamp
Bolt
Refrigerant Line - High Pressure Side
- From the condenser
- Refrigerant line, disconnecting and reconnecting, refer to REFRIGERANT LINES, DISCONNECTING AND CONNECTING AT CONDENSER .
- Removing and installing, refer to CONDENSER, REMOVING AND INSTALLING .
Union Nut
- 16.5 Nm
O-Ring Seal
- Replacing.
- Coat with refrigerant oil before installing, refer to REFRIGERANT CIRCUIT SEALS .
Hybrid Battery Refrigerant Shut-Off Valve 1 -N516-
- Removing and installing, refer to
O-Ring Seal
- Replacing.
- Coat with refrigerant oil before installing, refer to REFRIGERANT CIRCUIT SEALS .
Union Nut
- 16.5 Nm
Refrigerant Line - High Pressure Side
- To the inner heat exchanger
- Removing and installing, refer to INNER HEAT EXCHANGER, REMOVING AND INSTALLING .
M6 Bolt
- 9 Nm
O-Ring Seal
- Replacing.
- Coat with refrigerant oil before installing, refer to REFRIGERANT CIRCUIT SEALS .
M6 Bolt
- 9 Nm
Refrigerant Line - Low Pressure Side
- To the inner heat exchanger
- Removing and Installing, refer to REFRIGERANT LINES WITH INNER HEAT EXCHANGER, REMOVING AND INSTALLING .
O-Ring Seal
- Replacing.
- Coat with refrigerant oil before installing, refer to REFRIGERANT CIRCUIT SEALS .
Bolt - M8
- 10 Nm
- Quantity: 2
Bolt
- 10 Nm
- Quantity: 2
O-Ring Seal
- Replacing.
- Coat with refrigerant oil before installing, refer to REFRIGERANT CIRCUIT SEALS .
Expansion Valve
- There are different versions.
- Refrigerant line, disconnecting and reconnecting, refer to INNER HEAT EXCHANGER, REMOVING AND INSTALLING .
- Removing and Installing, refer to EXPANSION VALVE, REMOVING AND INSTALLING .
O-Ring Seal
- Replacing.
- Coat with refrigerant oil before installing, refer to REFRIGERANT CIRCUIT SEALS .
Refrigerant Line with Inner Heat Exchanger
- The warm, fluid refrigerant flowing on the high pressure side releases energy into the cold, vaporous refrigerant flowing on the low pressure side. This increases the cooling efficiency of the A/C system.
- Removing and Installing, refer to INNER HEAT EXCHANGER, REMOVING AND INSTALLING .
Grommet
Bracket
- For the refrigerant line with the inner heater core
Bolt