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Home >> Audi >> 2024 >> S3 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (Cylinder Head, VALVETRAIN) >> 15 Cylinder Head, VALVETRAIN >> Chain Drive >> Camshaft Timing Chain, Removing And Installing >> Removing

Camshaft Timing Chain, Removing And Installing: Removing

WARNING: This page is about a different car, the 2023 Audi S3, 2023 Audi RS 3, 2023 Audi A3 Quattro, and 2023 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the bearing bracket. Refer to BEARING BRACKET, REMOVING AND INSTALLING .

GWWA15-12409Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Risk of damaging the engine by the timing mechanism skipping.

- Only let the engine turn in the direction of engine rotation.

-- Turn the crankshaft on the vibration damper using the Wrench - 21mm:T40263  -item 6-, Adapter:T40314  -item 1- and a suitable socket -adapter- until the camshafts is at "TDC".

-- Remove the lower timing chain cover. Refer to LOWER TIMING CHAIN COVER, REPLACING .

-- Check the "TDC point" again.

-- Disengage the tension spring wire clip -3- from the oil pan upper section -arrow-.

GWWA15-12340Courtesy of AUDI OF AMERICA, LLC

-- Remove the guide pin -2- and the chain tensioner.

-- Remove the drive chain -1- for the oil pump from the three-layer chain sprocket and let hang at the Assembly Tool :T10531/6  .

-- Remove the bolts -arrows-.

GWWA15-11390Courtesy of AUDI OF AMERICA, LLC

-- Install the Chain Tensioner Lever:T40243  on the cylinder head -lower arrows-.

GWWA15-11391Courtesy of AUDI OF AMERICA, LLC

-- Press the chain tensioner circlip -1- together and hold it.

-- Slowly press and hold the Chain Tensioner Lever:T40243  in the -direction of the arrow-.

TIP:

The chain tensioner is lubricated with oil and can only be pushed back slowly by applying constant pressure.

-- Lock the chain tensioner with the Locking Tool:T40435  .

GWWA15-12341Courtesy of AUDI OF AMERICA, LLC

-- Remove the Chain Tensioner Lever:T40243  .

-- Install the Camshaft Lock:T40271/3  on the cylinder head.

GWWA15-12446Courtesy of AUDI OF AMERICA, LLC

-- Push the camshaft positioning tool in the splines of the chain sprocket -arrow B-.

-- If required, turn the intake camshaft with the Assembly Tool:T40427  slightly back and forth -A arrows-.

-- Install the Camshaft Lock:T40271/4  on the cylinder head.

GWWA15-12447Courtesy of AUDI OF AMERICA, LLC

-- Hold the exhaust camshaft using the Assembly Tool:T40427  . Remove the guide pin -1- and remove the tensioning rail -2- downward.

-- Turn the exhaust camshaft clockwise -arrow A- again until the Camshaft Locks:T40271/4  can be pushed in the chain sprocket splines -arrow B-.

-- Remove bolts -arrows- and remove guide rail -1-.

GWWA15-11865Courtesy of AUDI OF AMERICA, LLC

-- Remove the guide pin -1- and the guide rail -2-.

GWWA15-11717Courtesy of AUDI OF AMERICA, LLC

-- Remove the camshaft timing chain from the camshaft sprockets and remove downward.

CAUTION:

Risk of destroying the engine by collisions of the valves and the piston crowns.

- If the camshaft timing chain has been removed, then do not turn the crankshaft anymore.