Audi A4: Checking and Filling
Audi A4 (B9) 2016-2025 Owner's Manual / Maintenance and Care / Checking and Filling
- Fuel
- Refueling
- Emissions control system
- Motor compartment
- Engine oil
- Cooling system
- Brake fluid
- Battery
- Safety precautions
- Charging the 12 volt vehicle battery
- Windshield washer system
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Fuel
Types of gasoline
The correct gasoline grade is stated on the inside
of the fuel filler door.
The vehicle is equipped with a catalytic converter
and must only be driven with unleaded gasoline.
Audi r
Refueling
Messages
The following messages may appear depending
on the vehicle equipment:
Messages
If the indicator light appears
with a corresponding
message, refuel the vehicle.
Tank system: malfunction!
P
Emissions control
system
General information
WARNING
The temperature of the exhaust system is
high, both when driving and after stopping
the engine.
Never touch the exhaust tail pipes once they
have become hot. This could
SEE MORE:
Impact Member, Removing and Installing
Follow the safety precautions. Refer to
→ Body Interior; Rep. Gr.00; Safety Precautions; Safety
Precautions when Working on Pyrotechnic Components.
- Remove the bumper cover. Refer to
→ Chapter "Bumper Cover, Removing and Installing".
- Remove the washer nozzle
Transmission Fluid Circuit
Overview - Transmission Fluid Circuit
1 - Plug
8 Nm +30º
Replace after removing.
For the ATF check and fill hole
2 - Plug
35 Nm
Replace after removing.
For transmission fluid inspection and fill hole
3 - Transmission Fluid Pump (MTF Pump)
With seal welded
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