Camshaft Timing Chain

Special Tools And Workshop Equipment Required

Locking Pin T10060 A
Assembly Tool T10352
Counter Hold Tool T10355
Locking Pin T40011
Torque Wrench (5-50 Nm) V.A.G 1331

Removing

-- Remove the upper timing chain cover. Refer to UPPER TIMING CHAIN COVER .

-- Use the counter hold Tool T10355 to turn the vibration damper to Top Dead Center (TDC) -arrow- :

Fig 1: Identifying Vibration Damper Rotated Into "OT" Position Using Counter Hold Tool T10355

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The notch on the vibration damper must line up with the arrow mark on the lower timing chain cover.
The marks -1- on the camshafts must point upward.

-- Remove the lower timing chain cover. Refer to one of the following:

Jetta/GLI for MY 08 through 10, Jetta SportWagen (US)/Jetta Wagon (Canada) for MY 09. Refer to LOWER TIMING CHAIN COVER .

CAUTION:

The control valve has a left hand threads.

-- Remove the control valve using the assembly Tool T10352 in the -direction of the arrow-

Fig 2: Identifying Assembly Tool T10352 To Remove Control Valve

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-- Remove the bolts -arrows- and remove the bearing bracket.

Fig 3: Identifying Bearing Bracket Bolts

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-- Press the oil pump chain tensioner in the -direction of the arrow- and secure it using the locking pin T40011.

Fig 4: Identifying Oil Pump Chain Tensioner And Locking Pin T40011

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-- Remove the oil pump chain tensioner guide pin -1-.

-- Remove the oil pump drive chain.

The locking wedge in the chain tensioner must be lifted in order to release the tension from the chain tensioner. Sand the end of a locking pin T40011 down to a point. A screwdriver with a head approximately 1.5 mm wide can also be used.

CAUTION:

There is a risk of damaging the chain tensioner. Proceed very carefully.

-- Lift the chain tensioner locking wedge in the -direction of arrow 1-, press the timing chain tensioning rail in the -direction of arrow 2- and secure it with using the locking pin T40011.

Fig 5: Identifying Directions: (Lift) Chain Tensioner Locking Wedge And (Press) Timing Chain Tensioning Rail

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-- Remove the timing chain tensioning rail guide pin -2- and rail.

Fig 6: Identifying Camshaft Timing Chain Tensioner Bolts, Camshaft Timing Chain Guide Rail And Guide Pins

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NOTE:

The intake camshaft switches in the engine rotation direction.

-- Remove the guide rail guide pins -1- and rail.

-- Remove the timing chain.

Installing

The chain tensioner for the tensioning rail is installed and secured using the locking pin T40011.
The crankshaft sprocket is secured by the thrust Piece T10368.

Tightening specifications, refer to CAMSHAFT TIMING CHAIN OVERVIEW .

NOTE:

The following must be performed in one sequence; 2 technicians are necessary.

The painted links on the timing chain must be positioned on the marks on the sprockets.

Hold the wrench until the tensioning and guide rails are installed.

-- Check the crankshaft TDC position.

Fig 7: Identifying Timing Chain Markings

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-- Install the timing chain on the exhaust camshaft.

Fig 8: Identifying Intake Camshaft Turned Using Wrench

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-- Install the timing chain on the crankshaft.

-- Rotate the intake camshaft using the wrench in the -direction of the arrow- and install the timing chain. Continue to hold the camshaft with the wrench.

-- Install the timing chain tensioning rail and tighten the guide pins -2-.

Fig 9: Identifying Camshaft Timing Chain Tensioner Bolts, Camshaft Timing Chain Guide Rail And Guide Pins

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-- Install the timing chain guide rail and tighten the guide pins -1-.

-- Install the bearing bracket and hand tighten the bolts -arrows-.

Fig 10: Identifying Bearing Bracket Bolts

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-- Remove the locking pin T40011 from the chain tensioner.

-- Tighten the bearing bracket bolts -arrows- to specifications. Refer to CAMSHAFT TIMING CHAIN OVERVIEW .

Further installation is in the reverse order of removal.