Audi Q7: Overview - A/C Compressor Power Unit

Overview - A/C Compressor Power Unit, Vehicles with 6-Cylinder TFSI Engine

1 - Ribbed Belt

• Check for wear
• Mark the running direction and install on the correct side
• Removing and installing. Refer to → Rep. Gr.13; Cylinder Block, Belt Pulley Side; Ribbed Belt, Removing and Installing.

2 - Alignment Sleeve

3 - Sub-Assembly Bracket

• There are different versions. Refer to the Parts Catalog.
• Removing and installing. Refer to → Rep. Gr.13; Cylinder Block, Belt Pulley Side; Sub-Assembly Bracket, Removing and Installing.

4 - Alignment Sleeve

5 - O-Ring

• Replace. Refer to the Parts Catalog for the version.
• Coat with refrigerant oil before installing. Refer to → Chapter "Refrigerant Circuit Seals".

6 - Low Pressure Side Refrigerant Line

7 - Bolt

• 25 Nm

8 - A/C Compressor Regulator Valve -N280-

• To check. Refer to Vehicle Diagnostic Tester in the "Guided Fault Finding" function. Refer to → Wiring diagrams, Troubleshooting & Component locations.

9 - Bolt

• 25 Nm

10 - High Pressure Side Refrigerant Line

11 - O-Ring

• Replace. Refer to the Parts Catalog for the version.
• Coat with refrigerant oil before installing. Refer to → Chapter "Refrigerant Circuit Seals".

12 - A/C Compressor

• There are different versions. Refer to the Parts Catalog.
• Refrigerant line, disconnecting and connecting. Refer to → Chapter "Refrigerant Lines, Disconnecting and Connecting at A/C Compressor".
• Removing and installing at bracket. Refer to → Chapter "A/C Compressor, Removing and Installing at Bracket".
• Removing and installing. Refer to → Chapter "A/C Compressor, Removing and Installing".

13 - Bolt

• 25 Nm
• Quantity: 3

14 - Belt Pulley with Overload Protection

• There are different versions. Refer to the Parts Catalog.
• Overview. Refer to → Chapter "Overview - Belt Pulley".

  Note

With or without the A/C Clutch -N25- depending on the engine and the A/C compressor.

Overview - Belt Pulley

1 - Ribbed Belt

• Check for wear
• Mark the running direction and install on the correct side
• Removing and installing. Refer to → Rep. Gr.13; Cylinder Block, Belt Pulley Side; Ribbed Belt, Removing and Installing.

2 - Alignment Sleeve

3 - Sub-Assembly Bracket

• There are different versions. Refer to the Parts Catalog.
• Removing and installing. Refer to → Rep. Gr.13; Cylinder Block, Belt Pulley Side; Sub-Assembly Bracket, Removing and Installing.

4 - Alignment Sleeve

5 - O-Ring

• Replace. Refer to the Parts Catalog for the version.
• Coat with refrigerant oil before installing. Refer to → Chapter "Refrigerant Circuit Seals".

6 - Low Pressure Side Refrigerant Line

7 - Bolt

• 25 Nm

8 - A/C Compressor Regulator Valve -N280-

• To check. Refer to Vehicle Diagnostic Tester in the "Guided Fault Finding" function. Refer to → Wiring diagrams, Troubleshooting & Component locations.

9 - Bolt

• 25 Nm

10 - High Pressure Side Refrigerant Line

11 - O-Ring

• Replace. Refer to the Parts Catalog for the version.
• Coat with refrigerant oil before installing. Refer to → Chapter "Refrigerant Circuit Seals".

12 - A/C Compressor

• There are different versions. Refer to the Parts Catalog.
• Refrigerant line, disconnecting and connecting. Refer to → Chapter "Refrigerant Lines, Disconnecting and Connecting at A/C Compressor".
• Removing and installing at bracket. Refer to → Chapter "A/C Compressor, Removing and Installing at Bracket".
• Removing and installing. Refer to → Chapter "A/C Compressor, Removing and Installing".

13 - Bolt

• 25 Nm
• Quantity: 3

14 - Belt Pulley with Overload Protection

• There are different versions. Refer to the Parts Catalog.
• Overview. Refer to → Chapter "Overview - Belt Pulley".

  Note

With or without the A/C Clutch -N25- depending on the engine and the A/C compressor.

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