LEMON Manuals: Even more car manuals for everyone
Home >> Volkswagen >> 2021 >> Jetta S, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Cylinder Head, VALVETRAIN [DKFA,CXDB]) >> 15 Cylinder Head, VALVETRAIN >> Chain Drive >> Chain Length, Checking

Chain Length, Checking

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

If an elongated camshaft timing chain is suspected based on complaints (for example noises), the chain length can be checked as described in the following.

-- Remove the plug -arrow-. The plugs must be replaced.

Fig 1: Identifying Plug
GWWA15-10447Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Turn the vibration damper in direction of engine rotation until the chain tensioner piston is extended the maximum distance in the direction of -arrow-.

Fig 2: Identifying Vibration Damper
GWWA15-11554Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Count the visible piston teeth.

NOTE:

The visible teeth are all of the teeth that are located to the right of the chain tensioner housing -arrow-.