Camshaft, Removing And Installing, Engine Without 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 15- OVERVIEW - VALVETRAIN, ENGINE WITHOUT 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 OVERVIEW - VALVETRAIN .

TIP:

There are two versions of the guide rail. Please check which guide rail is installed.

Version -A- : long guide rail -arrow-.

Version -B- : short guide rail -arrow-.

-- Remove the camshaft timing chain with the longer guide rail -A-. Refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .

-- Remove the camshaft timing chain from the camshafts with the short guide rail -B-. 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.

With Wrench Clearance

-- 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.

Without Wrench Clearance

-- Turn the exhaust camshaft with the :T10172A slightly in the direction of -arrow A- and push the :T40271/1 from the chain sprocket splines direction of -arrow B-.

-- 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.

Fig 1: Cylinder Head Cover Loosening Sequences

Courtesy of AUDI OF AMERICA, LLC

-- 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.