Overview - A/C Compressor Power Unit
WARNING: This page is about a different car, the 2021 Volkswagen Tiguan, 2020 Volkswagen Tiguan, 2019 Volkswagen Tiguan, 2018 Volkswagen Tiguan Limited, and 2018 Volkswagen Tiguan. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For A/C systems with refrigerant R1234yf, the desiccant bag/dryer cartridge must be replaced each time the refrigerant circuit is opened. Refer to COMPONENTS, REPLACING .
Under certain conditions, the desiccant bag no longer needs to be replaced each time the refrigerant circuit is opened on A/C systems with refrigerant R134a. Refer to Components, Replacing .
The illustration shows one version.
- A/C Compressor
- There are different versions. Refer to the Parts Information.
- Removing and Installing. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING .
- Removing from and attaching to the bracket. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING ON BRACKET .
- Seal
- Replace after removing.
- There are different versions. Refer to the Parts Information.
- Coat with refrigerant oil before installing.
- High Pressure Side Refrigerant Line
- Bolt
- 22 Nm
- Low Pressure Side Refrigerant Line
- Seal
- Replace after removing.
- There are different versions. Refer to the Parts Information.
- Coat with refrigerant oil before installing.
- Pressure Relief Valve
- Checking. Refer to Vehicle Diagnostic Tester. Refer to PRESSURE RELIEF VALVE ON A/C COMPRESSOR, CHECKING .
- A/C Compressor Regulator Valve -N280-
- To check. Refer to Vehicle Diagnostic Tester in the "Guided Fault Finding" function. Refer to => Wiring Diagram.
- Bolt
- 25 Nm
- Quantity: 3
- Belt Pulley with Overload Protection
- There are different versions. Refer to the Parts Information.
- Overview. Refer to OVERVIEW - BELT PULLEY .
- Alignment Sleeve
- Quantity: 2
- Oil Drain Plug
- Denso A/C compressor 30 Nm
- Mahle/Delphi A/C compressor 20 ± 1 Nm
- Sanden A/C compressor 15 ± 1 Nm
- Replace the oil drain plug/seal after removal
- Only remove on an empty refrigerant circuit.
- There are different versions. Refer to the Parts Information.