Audi A4 Owners & Service Manuals

Audi A4: Cylinder Head, Valvetrain

Audi A4 (B9) 2016-2023 Service Manual / Engine / 4-Cylinder Direct Injection 2.0L 4V TFSI Engine (EA 888 Generation III BZ) / 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-.

A23-11009

  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

     Cooling System

     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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     Spring, Removing and Installing

    Special tools and workshop equipment required Pneumatic/Hydraulic Foot Pump -VAS6179- Spring Tensioning System -VAS6274- Spring Tensioning System - Spindle -VAS6274/3- Spring Tensioning System - T-Bar -VAS6274/5- Supplement Set - Thrust Plate with Securing Plate -VAS6274/12-2- Supplement Set

     Connection for External Multimedia Devices

    Overview - Connection for External Multimedia Devices There are several External Audio Source Connection -R199- versions: USB Charging - AUX IN, UE4 AMI (Audi music interface) - USB connection (quantity 2) - AUX IN/ASI, UI2/UE7 "USB charge" and "USB connection" are in the USB Connection Basep

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