Audi A4: Battery, Starter, Generator, Cruise Control

 Vehicles with Restrictor, Reservoir and A/C Compressor Regulator Valve -N280- (Externally Regulated A/C Compressor), Checking Pressures

Specified Values for the Refrigerant Circuit Pressures   Note Connect the Air Conditioning (A/C) service station. Refer to → Chapter "A/C Service Station, Connecting". Observe the test requirements. Refer to → Chapter "Pressures, Checking". - With the ignition switched

 Transmission Control Module -J217-, Removing and Installing

Removing   WARNING The system is under pressure. The electronic ATF pump must be deactivated every time before opening the transmission, and the hydraulic pressure reservoir is drained. Refer to → Chapter "ATF Pump, Deactivating and Draining the Hydraulic Pump Reservoir".