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.
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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
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Tachometer
The tachometer (1) displays the engine
speed in revolutions per minute (RPM). The beginning
of the red zone in the tachometer indicates
the maximum permissible engine speed for
all gears once the engine has been broken in. Before
reaching the red zone, you should shift into
the next higher gear, sel
Door Arrester, Removing and Installing
Removing
- Tape off the B-pillar in the door arrester area using adhesive
tape, so that the paint will not be damaged.
- Move the door window into the "closed" position.
- Remove the rear door trim panel. Refer to
→ Body Interior; Rep. Gr.70; Rear Door Trim Panels;
