Installing the Camshaft Timing Chain

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Engage the camshaft timing chain with the painted links -arrows- on the camshaft pins.

-- Place the camshaft timing chain on the intake camshaft, exhaust camshaft and the crankshaft. Position the painted chain links -arrows- on the markings on the chain sprockets.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the guide rail -2- and tighten the bolts -1-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the upper glide rail -1-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

The help of a second technician is necessary for the following step.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

I -Turn the exhaust camshaft slightly in the direction of the -arrow A- using the :T40266 and push the :T40271/1 out of the chain sprocket splines in direction of -arrow B-.

II -Release the camshaft in the direction -arrow C-, until the timing chain touches the glide rail -1-. Hold the camshaft in this position, install the tensioning rail -2- and tighten the bolts -3-. Release the camshaft.

-- Turn the intake camshaft with the :T40266 in the direction of the -arrow 1- until the :T40271/2 can be pushed out of the chain sprocket splines in the direction of the -arrow 2-. Release the camshaft.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the :T40271/1 and :T40271/2 .

-- Install the bolts -arrows- and tighten them. Tightening specification. Refer to -Item 4- OVERVIEW - CYLINDER HEAD List Item:Bolt.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Lubricate the holes -arrows- with engine oil.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

NOTE:

If the adapter sleeve -1- is installed, it must be driven back when reusing the bearing bracket. The adapter sleeve must be flush with the cylinder head side of the bearing bracket.

-- Attach the bearing mount. Do not tilt it when doing this. Tighten the bolts -1 to 6- hand-tight.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the :T40267 .

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Tighten the bearing bracket bolts -arrows-. Tightening specification. Refer to OVERVIEW - CAMSHAFT TIMING CHAINS .

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the chain tensioner -2-. The wire clip must come in to contact with the oil pan upper section opening -arrow-. Tighten the bolt -1- and remove the :T40011 .

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Check the adjustment. The painted chain links -arrows- must line up with the markings on the chain sprockets.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the control valves. Refer to -Item 7- OVERVIEW - CAMSHAFT TIMING CHAIN, ENGINE CODES CHHB, CNTA, CXCA, CXDA, CXCB AND CXDB List Item:Control Valves.

-- Let the engine turn a second time in the direction of engine rotation.

NOTE:

Due to the ratio, the painted chain links no longer match up after the engine has been turned.

-- Remove the :T10531/4 and remove the :T10531/3 .

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the lower timing chain cover. Refer to Installing .

NOTE:

Tighten the bolts -1 and 4- with an additional turn after installing the vibration damper. The bolts must be removed again to install the vibration damper.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the vibration damper. Refer to VIBRATION DAMPER, REMOVING AND INSTALLING .

-- Install the upper timing chain cover. Refer to UPPER TIMING CHAIN COVER, REMOVING AND INSTALLING .

-- Install the ribbed belt tensioner. Refer to RIBBED BELT TENSIONER, REMOVING AND INSTALLING .

-- Install the ribbed belt. Refer to RIBBED BELT, REMOVING AND INSTALLING .

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

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

Further installation is performed in reverse order of removal, while noting the following:

-- After performing work on the chain drive the adaptation value in the engine control module must be adapted. To do so, turn on the ignition and select the following menu items on the Vehicle Diagnostic Tester:

01 - Engine Electronics
Guided Functions
01 - Adaptation after repair work on the chain drive