Audi A4: Maintenance and Care
Audi A4 (B9) 2016-2026 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
- Wheels
- Wheels and Tires
- Glossary of tire and loading terminology
- New tires or wheels
- Tires and vehicle load limits
- Tire pressure monitoring system
- Care and cleaning
READ NEXT:
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
SEE MORE:
Radiator/Radiator Fan
Overview - Radiator/Radiator Fan
1 - Radiator
Removing and installing. Refer to
→ Chapter "Radiator, Removing and Installing".
After replacing, replace entire amount of coolant
2 - Drain Plug
1.5 to 3 Nm
3 - O-ring
Replace after removing
4 -
A-Pillar Trim Panel, Removing and Installing
Special tools and workshop equipment required
Trim Removal Wedge -3409-
Lever - Fuel Line -T10468-
Omega Clip Tool -T40280-
Caution
This procedure contains mandatory replaceable parts.
Refer to component overview and parts catalog prior to
starting procedure.
Mandatory Replacement Pa
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