Valve Timing, Checking

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

Special tools and workshop equipment required

Dial Indicator Set: VAS6341
Dial Gauge Adapter: T10170A

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

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

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

Fig 1: Identifying Mark Points On Intake And Exhaust Camshafts

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the spark plug from cylinder 1.

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

Fig 2: Identifying Adapter For Dial Gauge

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Insert the : VAS6341 using the : T10170A/1 until it stops 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 (BDC 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 notch on the vibration damper must align with the arrow marking on the lower timing chain cover -arrow-.

Fig 3: Identifying Vibration Damper With Counterhold - Vibration Damper T10355
Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
The markings -1- on the camshaft chain sprockets must be opposite the markings -2 and 3- on the cylinder head.