After Charging A/C System

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2016 Audi S4, 2016 Audi A4 Quattro, 2016 Audi A4, 2015 Audi S4, and 2015 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Mechanically Driven A/C Compressor

After installing the A/C Compressor to the engine (before positioning the belt or installing the driveshaft) Refer to A/C COMPRESSOR, REMOVING AND INSTALLING .

-- Turn the A/C compressor by hand via the clutch plate or belt pulley on the A/C clutch approximately 10 turns.

After charging. Refer to A/C SYSTEM, OPERATING AFTER CHARGING .

-- Start the engine with the A/C turned off (A/C Clutch -N25- and A/C Compressor Regulator Valve -N280- are not actuated).

-- Following engine idling speed stabilization, switch on A/C compressor and run it for at least 10 minutes at idling speed with maximum cooling output.

Electrically Driven A/C Compressor

-- First start the electrically driven A/C compressor after filling the refrigerant circuit via the "Compressor Cut-In" function from the basic setting. Refer to A/C SYSTEM, OPERATING AFTER CHARGING and Vehicle Diagnostic Tester in the "Guided Fault Finding " Function for the A/C System and the Battery Regulation.