Valve Timing, Checking

WARNING: This page is about a different variant/trim than selected.

Special tools and workshop equipment required

Dial Gauge Set: VAS6341
Dial Gauge Adapter: T10170 A

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

-- Remove the noise insulation. Refer to OVERVIEW - NOISE INSULATION .

Fig 1: Locating Noise Insulation

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-- Remove the right wheel and the right wheel housing liner. Refer to FRONT WHEEL HOUSING LINER, REMOVING AND INSTALLING .

-- Remove the bolts -arrows-.

Fig 2: Identifying Air Guide Pipe

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-- Remove the air duct pipe by lifting the clip -2- and opening the screw-type clamp -3-.

-- Turn the crankshaft with the 24 mm socket on the vibration damper in the direction of the engine rotation until the markings -1 and 2- are almost on top.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the ignition coil with power output stage for cylinder 1. Refer to IGNITION COILS WITH POWER OUTPUT STAGES, REMOVING AND INSTALLING .

-- Remove the spark plug for the cylinder 1 using the : 3122B .

-- Install the : T10170/A all the way into the spark plug thread.

Fig 3: Identifying Adapter For Dial Gauge

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Insert the : VAS6341 using the : T10170A/1 until stop and secure with the locking nut -arrow-.

-- Turn the crankshaft slowly in the direction of the engine rotation until the maximum dial reading is reached. When the maximum dial reading is reached (turning point of the meter) position the piston at >>TDC<<.

NOTE:

Use a ratchet with a 24 mm socket to turn the vibration damper.

If the crankshaft was turned past "TDC", turn the crankshaft two more turns in the direction of the engine rotation. Do not turn the engine in the opposite direction of the engine rotation.

The marks -1- on the exhaust camshaft is slightly offset to the right.

Fig 4: Identifying Vibration Damper With Counterhold - Vibration Damper T10355
Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
The notch on the vibration damper must align with the arrow marking on the lower timing chain cover -arrow-.
The markings -1- on the camshaft chain sprockets (recess with the point behind) must be opposite the markings -2 and 3- on the cylinder head.