Audi A4: Cylinder Head, Valvetrain
Timing Chain Cover
Overview - Timing Chain Cover
All procedures and components are described under: → Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.15; Timing Chain Cover.
Camshaft Adjustment Valve 1 -N205-/ Exhaust Camshaft Adjustment Valve 1 -N318-, Removing and Installing
Removing
Exhaust Camshaft Adjustment Valve 1 -N318-:
- Remove the lock carrier cover. Refer to → Body Exterior; Rep. Gr.63; Front Bumper; Attachments, Removing and Installing.
- Remove the bolts -arrows- and the air guide -2-.
Note
Ignore item -1-.
All additional procedures are described under: → Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.15; Timing Chain Cover; Overview - Timing Chain Cover.
Installing
Additional procedures:
- Install the lock carrier cover. Refer to → Body Exterior; Rep. Gr.63; Front Bumper; Attachments, Removing and Installing.
Tightening Specifications
- Refer to → Chapter "Overview - Air Filter Housing"
Timing Chain Cover, Removing and Installing
All procedures are described under: → Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.15; Timing Chain Cover; Timing Chain Cover, Removing and Installing.
Vibration Damper Seal, Replacing
All procedures are described under: → Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.15; Timing Chain Cover; Overview - Timing Chain Cover.
Chain Drive
All procedures and components are described under: → Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.15; Chain Drive.
Cylinder Head
All procedures and components are described under: → Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.15; Cylinder Head.
Valvetrain
All procedures and components are described under: → Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.15; Valvetrain.
Intake and Exhaust Valves
All procedures are described under: → Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.15; Intake and Exhaust Valves.
READ NEXT:
Lubrication
Oil Pan/Oil Pump
Overview - Oil Pan/Oil Pump
1 - Nut
Tightening specifications. Refer to
→ Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.17; Oil Pan/Oil
Pump; Ove
Coolant System/Coolant
Connection Diagram - Coolant Hoses
Connection Diagram - Coolant Hoses, Versions without Parking Heater
Note
Blue = large coolant circuit.
Red = small coolant circuit.
Brown = heating circu
SEE MORE:
Refrigerant Circuit, Charging with Service Station
Note
The entire refrigerant charge can be added to either the
high or low pressure side. Refer to
→ Chapter "Refrigerant R134a Capacities, Refrigerant Oil and
Approved Refrigerant Oils".
The work procedure is always to be performed as described in
the operating instructions for
Exterior lighting
Switching the lights on and off
Fig. 42 Instrument panel: light switch with button
Light switch
Turn the light switch (1) to the corresponding position
when the ignition is switched on. The
symbol and the selected position will turn on (except
position 0).
O - The daytime running lights* will
