4-Cylinder Gasoline Engine
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Audi S7, 2018 Audi RS 7, 2018 Audi A7 Quattro, 2017 Audi S7, and 2017 Audi RS 7. However, it is still accessible from the selected car via links, so may be relevant.
- Ribbed Belt
- Check for wear
- Removing and installing. Refer to Cylinder Block, Belt Pulley Side [For engine(s) CTGE, CWUC] , Cylinder Block, Belt Pulley Side [For engine(s) CPNB] , or CYLINDER BLOCK, BELT PULLEY SIDE [For engine(s) CREC, CREH] .
- Mark the rotation direction, install on correct side. Refer to Cylinder Block, Belt Pulley Side [For engine(s) CTGE, CWUC] , Cylinder Block, Belt Pulley Side [For engine(s) CPNB] , or CYLINDER BLOCK, BELT PULLEY SIDE [For engine(s) CREC, CREH] .
- Belt Pulley with Overload Protection
- There are different versions.
- Overview. Refer to OVERVIEW - BELT PULLEY .
- Alignment Sleeve
- Quantity: 2
- Auxiliary Component Bracket
- To remove and install. Refer to Cylinder Block, Belt Pulley Side [For engine(s) CTGE, CWUC] , Cylinder Block, Belt Pulley Side [For engine(s) CPNB] , or CYLINDER BLOCK, BELT PULLEY SIDE [For engine(s) CREC, CREH] .
- O-Ring Seal
- Replacing. For the correct version.
- Coat with refrigerant oil before installing. Refer to REFRIGERANT CIRCUIT SEALS .
- Low Pressure Side Refrigerant Line
- Bolt
- M6 9 Nm
- M8 25 Nm
- Bolt
- M6 9 Nm
- M8 25 Nm
- High Pressure Side Refrigerant Line
- O-Ring Seal
- Replacing. For the correct version.
- Coat with refrigerant oil before installing. Refer to REFRIGERANT CIRCUIT SEALS .
- A/C Compressor Regulator Valve -N280-
- To check, use the Vehicle Diagnostic Tester in the "Guided Fault Finding" function an. Refer to the Appropriate Wiring Diagram.
- Bolt
- There are different versions.
Steel Bolt
- 25 Nm
Aluminum Bolt
- Replace after removing.
- 8 Nm +180°
- Quantity: 3
- There are different versions.
- Air Conditioning (A/C) Compressor
- There are different versions.
- Refrigerant line, disconnecting and reconnecting. Refer to REFRIGERANT LINES, DISCONNECTING FROM COMPRESSOR AND CONNECTING, 4-CYLINDER TFSI/TDI ENGINE .
- Removing from and attaching to the bracket. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING ON BRACKET, VEHICLES WITH 4-CYLINDER TDI ENGINE .
- Removing and Installing. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING, 4-CYLINDER TFSI ENGINE .NOTE:
There are different versions depending on the refrigerant (R134a or R1234yf).