Camshaft Timing Chain, Removing And Installing: Installing

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

Tightening specifications. Refer to OVERVIEW - CAMSHAFT TIMING CHAINS .

NOTE:

If the tensioner was removed from the chain tensioner, then pay close 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 any 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 Top Dead Center (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 1: Identifying Locking Pin T40071

Courtesy of AUDI OF AMERICA, LLC

-- Press the guide rail for the left camshaft timing chain tensioner down and secure the chain tensioner using a Locking PinT40071.

-- 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 2: Chain Tensioner Using T40071

Courtesy of AUDI OF AMERICA, LLC

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

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

-- Remove the Locking PinT40071.

NOTE:

Ignore -arrow-.

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

Fig 3: Chain Tensioner

Courtesy of AUDI OF AMERICA, LLC

-- Fasten bolts -1 and 2-.

Install in reverse order of removal. Note the following:

-- Position the camshaft timing chain on the camshafts. Refer to Installing .

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