Valve Timing, Checking - Volkswagen Golf 2015 Repair Manual

Note
If due to complaints (for example noises) an elongated camshaft
timing chain is suspected, the chain length can be checked as
described as follows.
– Remove the plug -arrow-. The plugs must be replaced.
– Turn the vibration damper in direction of engine rotation until
the chain tensioner piston is maximally driven out in direction
of -arrow-.
– Count the visible piston threads.
Note
The visible threads are all of the threads that are located to the
right of the chain tensioner housing -arrow-.
♦ If six or fewer threads are visible: the camshaft timing chain
does not need to be replaced.
♦ If seven or more threads are visible: the camshaft timing chain
must be replaced. Refer to
⇒ 3.3 Camshaft Timing Chain, Removing and Installing ,
page 118 .
3.6

Valve Timing, Checking

Special tools and workshop equipment required
♦ Dial Gauge Set - VAS6341-
♦ Dial Gauge Adapter - T10170A-
– Remove timing chain upper cover. Refer to
⇒ 2.2.1 Upper Timing Chain Cover, Removing and Installing ,
page 106 .
– Remove the noise insulation. Refer to ⇒ Body Exterior; Rep.
Gr. 66 ; Noise Insulation; Overview - Noise Insulation .
Engine Mechanical, Fuel Injection and Ignition - Edition 04.2015
Golf 2015 ➤ , Golf Variant 2015 ➤
131
3. Chain Drive