Camshaft Timing Chain, Removing And Installing

WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.

Removing:

Engine removed. Refer to ENGINE, REMOVING .
Engine and electro-drive drive motor separated. Refer to ENGINE AND ELECTRO-DRIVE DRIVE MOTOR WITH TRANSMISSION, SEPARATING AND CONNECTING .

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

-- Remove the camshaft adjuster. Refer to CAMSHAFT ADJUSTER, REMOVING AND INSTALLING .

CAUTION:

There is a risk of destroying the camshaft timing chain if the running direction is reversed on a used camshaft timing chain.

Paint arrows to mark the left and right camshaft timing chain running direction so they can be installed again. Do not mark the camshaft timing chain with a punch, notch or something similar.

-- Remove the Locking Pin:T40071 and the left camshaft timing chain.

Fig 1: Identifying Locking Pin T40071

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the bolts -1 and 2- and the right chain tensioner.

Fig 2: Chain Tensioner

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Press the timing mechanism chain tensioner guide rail in the direction of -arrow- and secure the chain tensioner using a Locking Pin:T40071 .

-- Remove the drive chain sprocket mounting pin bolt -1-.

-- Remove the drive chain sprocket and remove the right camshaft timing chain.

Fig 3: Chain Tensioner Using T40071

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Installing:

Tightening specifications. Refer to OVERVIEW - CAMSHAFT TIMING CHAINS .

NOTE:

If the tensioner was removed from the chain tensioner, then pay attention to the installed position: the hole in the bottom of the housing faces the chain tensioner and the piston faces the tensioning rail.

Replace the bolts that were tightened with an additional turn.

CAUTION:

Risk of damaging valves and piston crowns.

If camshafts are rotated, crankshaft may not rest with any piston at "TDC".

-- Install the left camshaft timing chain on the drive chain sprocket according to marking that was made earlier when it was removed and guide it upward toward the cylinder head.

Fig 4: Identifying Locking Pin T40071

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Press the guide rail for the left camshaft timing chain tensioner down and secure the chain tensioner using a Locking Pin:T40071 .

-- Install the right camshaft timing chain on the drive chain sprocket according to marking that was made earlier when it was removed and guide it upward toward the cylinder head.

Fig 5: Chain Tensioner Using T40071

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Install the drive chain sprocket. Refer to Figure.

-- Tighten the drive chain sprocket mounting pin bolt -1-.

-- Remove the Locking Pin:T40071 .

NOTE:

Ignore -arrow-.

-- Install the chain tensioner on the right cylinder head.

Fig 6: Chain Tensioner

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Tighten the bolts -1 and 2-.

Install in reverse order of removal, Note The Following:

-- Installing the camshaft adjuster:

Cylinder bank 1 (right). Refer to CAMSHAFT ADJUSTER, INSTALLING, CYLINDER BANK 1 (RIGHT) .

Cylinder bank 2 (left). Refer to CAMSHAFT ADJUSTER, INSTALLING, CYLINDER BANK 2 (LEFT) .

-- Install the lower timing chain cover. Refer to LOWER TIMING CHAIN COVER, REMOVING AND INSTALLING .