Camshaft, Removing And Installing, Engine With Camshaft Adjustment: Removing

WARNING: This page is about a different car, the 2018 Audi Q3 Quattro, 2018 Audi Q3, 2017 Audi Q3 Quattro, and 2017 Audi Q3. However, it is still accessible from the selected car via links, so may be relevant.

The sealing surfaces of the lower cylinder head cover and on the upper cylinder head must not be reworked.
The camshaft bearings are integrated in the cylinder head or cylinder head cover. Before removing the cylinder head cover the tension from the camshaft timing chain must be released.
If the cylinder head cover was removed, the cap -item 20- OVERVIEW - VALVETRAIN, ENGINE WITH CAMSHAFT ADJUSTMENT must be replaced.
During installation, all cable ties must be installed at the same location.
Replace the cylinder head cover bolt after removing.

Preliminary work may be required depending on the model. Refer to VALVE TIMING, CHECKING .

-- Remove the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

-- Remove the cam adjustment actuator. Refer to CAM ADJUSTMENT ACTUATOR, REMOVING AND INSTALLING .

-- Turn the crankshaft using the :T40263 , :T40314 and the 24 mm socket until the vibration damper is at "TDC".

CAUTION:

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

The notch on the vibration damper and the marking on the lower cover for timing chain must be opposite one another -arrow-.
The markings -1- on the camshaft chain sprockets must point upward.

TIP:

The combination of the :T40263 , : T40314 and 24 mm socket are better suited than the :T10355 for positioning the vibration damper.

CAUTION:

- Only insert the tools in the positions shown.

-- Install the :T40196 as shown.

-- Turn the crankshaft two complete turns in the direction of engine rotation.

The engine must be back at "TDC".

-- Remove the :T40196 .

-- Remove camshaft timing chain from camshafts. Refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .

-- Turn the intake camshaft with a wrench in the direction of -arrow 1-, slide the :T40271/2 out of the chain sprocket splines in the direction of -arrow 2- and bring the camshaft into the rest position.

-- Turn the exhaust camshaft with a wrench in the direction of -arrow 1-, slide the :T40271/1 out of the chain sprocket splines in the direction of -arrow 2- and bring the camshaft into the rest position.

-- Remove the high pressure pump. Refer to HIGH PRESSURE PUMP, REMOVING AND INSTALLING .

-- Remove the vacuum pump. Refer to VACUUM PUMP, REMOVING AND INSTALLING .

-- Remove the cylinder head cover bolts in -1 to 6- sequence.

-- Pry up the cylinder head cover -2- using a tool for example a screwdriver -1- starting at the chain side.

-- Remove the cylinder head cover.

-- Remove the camshaft and cover the open engine components.