Overview - A/C Compressor Power Unit

Fig 1: Exploded View Of A/C Compressor Power Unit Components

Courtesy of AUDI OF AMERICA, LLC

A/C Compressor
- Removing and installing from the bracket. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING AT BRACKET .
- Removing and Installing. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING .
Seal
- Replace after removing.
- Coat with refrigerant oil before installing.
High Pressure Side Refrigerant Line
- Removing and Installing. Refer to REFRIGERANT LINE FROM CONDENSER TO A/C COMPRESSOR, REMOVING AND INSTALLING .
Screw
- 22 Nm
Low Pressure Side Refrigerant Line
- Removing and Installing. Refer to REFRIGERANT LINE FROM A/C COMPRESSOR TO EVAPORATOR, REMOVING AND INSTALLING .
Seal
- Replace after removing.
- Coat with refrigerant oil before installing.
Pressure Relief Valve
- Checking. Refer to PRESSURE RELIEF VALVE ON A/C COMPRESSOR, CHECKING .
A/C Compressor Regulator Valve -N280-
- Checking. Refer to Vehicle Diagnostic Tester.
Screw
- 25 Nm
- Quantity: 3
Belt Pulley with Overload Protection
- Overview. Refer to OVERVIEW - BELT PULLEY .
Alignment Sleeves
- Quantity: 2
Oil Drain Plug
- A/C compressor, Denso: 30 Nm
- A/C compressor, Sanden: 15 Nm
- Only remove on an empty refrigerant circuit
- Replace the oil drain plug/seal after removal