Audi A4 Owners & Service Manuals

Audi A4: Cylinder Head, Valvetrain

Audi A4 (B9) 2016-2026 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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     A/C System and Refrigerant R134a Safety Precautions

    Vehicles with a high-voltage system (hybrid vehicles) Extremely Dangerous Due to High-Voltage The high-voltage system is under high-voltage. Electrocution can cause death or very serious personal injury from damages high-voltage components and high-voltage cables. - Perform a visual inspectio

     Overview - Lower Control Arm and Ball Joint

    1 - Wheel Bearing Housing Side Bonded Rubber Bushing Replacing. Refer to → Chapter "Control Arm Ball Bearing, Replacing, Wheel Bearing Housing Side". 2 - Bolt Replace after removing 3 - Subframe Side Bonded Rubber Bushing Replacing. Refer to → 

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