Audi A4: Refrigerant Circuit
Audi A4 (B9) 2016-2025 Service Manual / Heating, Ventilation & Air Conditioning / Refrigerant Circuit
- A/C System Repair Information
- Using Service Station
- Refrigerant Circuit, Flushing with Compressed Air and Nitrogen
- Refrigerant Circuit, Cleaning (Flushing), with Refrigerant R134a
- Refrigerant Circuit, Determining Leaks
READ NEXT:
A/C System Repair Information
Air conditioning systems designed for refrigerant R12 are
only to be filled with refrigerant R134a if certain requirements
are fulfilled. Refer to
→ Chapter "Refrigerant Circuit, Convertin
General Information
Vehicles with a high-voltage system (hybrid vehicles)
Extremely Dangerous Due to High-Voltage
The high-voltage system is under high-voltage. Death or serious
bodily injury by electric shock.
- I
SEE MORE:
Subframe Mount
Overview - Subframe Mount
1 - Bolt
70 Nm for FWD vehicles (M10x40 10.9)
40 Nm +90º for AWD vehicles (M10x40 8.8)
2 - Tunnel Crossmember
Removing and installing. Refer to
→ Chapter "Tunnel Crossmember, Removing and Installing".
3 - Stop
For the transmi
Speaker Trim in Door Trim Panels, Removing and Installing
Special tools and workshop equipment required
Pry Lever -80-200-
Front Bass Speaker Trim, Removing
- Carefully pry out the speaker trim -1-
along the door trim panel seam using the Pry Lever -80-200- in
the direction of -arrow A-.
- Disengage the speaker trim at the rear from the door
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