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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     Steering Gear End Positions, Adapting

    Special tools and workshop equipment required Vehicle Diagnostic Tester   Note If the connection between the steering gear and the steering wheel is disconnected, the end position of the steering gear must be readapted. Procedure - Connect the Vehicle Diagnostic Tester. - Switch

     Checking Pressures for Vehicles with Restrictor and Reservoir (with Internally Regulated Compressor)

    General Information   Note Connect the A/C service station. Refer to → Chapter "A/C Service Station, Connecting". Observe the test requirements. Refer to → Chapter "Pressures, Checking". - With the ignition switched off, check the pressure in the refrigerant circuit (u

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