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Home >> Audi >> 2018 >> S4 Prestige >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Cylinder Head, VALVETRAIN [CWGD] (2 Of 2) >> 15 Cylinder Head, VALVETRAIN >> VALVETRAIN >> Camshaft Adjustment Valve 1 -N205-, Removing And Installing

Camshaft Adjustment Valve 1 -N205-, Removing And Installing

The procedure applies to the Camshaft Adjustment Valve 1 -N205-, Camshaft Adjustment Valve 2 -N208-, Exhaust Camshaft Adjustment Valve 1 -N318- and Exhaust Camshaft Adjustment Valve 2 -N319-.

Removing the Camshaft Adjustment Valve 1 -N205- on 2.9L Engines with Particulate Filter:

GWWA19-12793Courtesy of AUDI OF AMERICA, LLC

-- Remove the right tower brace. Refer to TOWER BRACE, REMOVING AND INSTALLING .

-- Drain the coolant. Refer to COOLANT, DRAINING AND FILLING .

-- Lift the clamp -arrow- and remove the coolant hose.

Camshaft Adjustment Valve 1 -N205- Removing on 3.0L Engine with Coolant Recirculation Pump -V50- :

GWWA19-12534Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -2-.

-- Move the retainer in direction of -arrow- and move the Coolant Recirculation Pump -V50- to the side.

Removing the Camshaft Adjustment Valve 2 -N208- on 2.9L Engines with Particulate Filter:

GWWA10-12009Courtesy of AUDI OF AMERICA, LLC

-- Remove the left tower brace. Refer to TOWER BRACE, REMOVING AND INSTALLING .

-- Release the catch in direction of -arrow- and remove the vacuum hose -1- at the same time do not damage it.

Continuation for All:

All additional procedures are described under: CAMSHAFT ADJUSTER VALVES, REMOVING AND INSTALLING .

Installing

Additional procedures:

-- Install the right tower brace. Refer to TOWER BRACE, REMOVING AND INSTALLING .

-- Connect the coolant hose to the connector coupling. Refer to Fig 1.

Fig 1: Coolant Hoses Connector Coupling
GWWA19-12078Courtesy of AUDI OF AMERICA, LLC

-- Fill the coolant. Refer to COOLANT, DRAINING AND FILLING .