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Home >> Audi >> 2025 >> S4 Premium >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Cylinder Head, VALVETRAIN (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine) >> 15 Cylinder Head, VALVETRAIN >> VALVETRAIN >> Camshaft Adjustment Valve 1 -N205-, REMOVING AND INSTALLING >> Notes

Camshaft Adjustment Valve 1 -N205-, REMOVING AND INSTALLING: Notes

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 -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 -arrow- and remove the vacuum hose -1- at the same time do not damage it.

Continuation for all:

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