Audi A4: Do It Yourself
Audi A4 (B9) 2016-2026 Owner's Manual / Do It Yourself
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General information
Park the vehicle as far as possible from moving
traffic in the event of a breakdown. In the event
of a flat tire, park the vehicle on a level surface.
If you are on a steep hill, be especially ca
Tire mobility kit
Preparation
Applies to: vehicles with tire mobility kit
Read and follow the important safety precautions.
Set the parking brake.
Select the "P" selector lever position.
Check if a repair with the
SEE MORE:
Receiver/Dryer or Accumulator and Restrictor, Replacing after Cleaning
Refrigerant Circuit
Note
Cleaning the refrigerant circuit means flushing it with
refrigerant R134a. Refer to
→ Chapter "Refrigerant Circuit, Cleaning (Flushing), with
Refrigerant R134a" or blowing through with compressed
air and nitrogen. Refer to
→ Chapter "Refrigerant Circuit, Flushing with
Plenum Chamber Bulkhead, Removing and Installing
Removing
- Remove the engine cover. Refer to
→ Engine Mechanical; Rep. Gr.10; Engine Cover; Engine Cover,
Removing and Installing.
- For vehicles that have a pass-through for the coolant lines
through the plenum chamber bulkhead, drain the coolant. Refer to
→ Eng
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