Camshaft Timing Chain, Removing And Installing: Installing

WARNING: This page is about a different car, the 2012 Audi Q5, 2011 Audi Q5, 2010 Audi Q5, and 2009 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.

Tightening specification, 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 the bolts which are being 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)".

-- Position the left camshaft timing chain according to the markings made during removal as shown in the illustration.

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 Pin T40071.

-- Guide the right camshaft timing chain on the drive sprocket mounting pins while noting the markings made during removal.

Fig 2: Chain Tensioner Using T40071

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the mounting pin bolts -1-.

-- Remove the Locking Pin T40071.

-- Insert the chain tensioner at the right cylinder head and position the camshaft timing chain.

Fig 3: Chain Tensioner

Courtesy of AUDI OF AMERICA, LLC

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