Camshaft Timing Chain, Removing And Installing: Installing

WARNING: This page is about a different car, the 2015 Audi A7 Quattro, 2014 Audi A7 Quattro, 2013 Audi A7, and 2012 Audi A7. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

If the tensioning element was removed from the chain tensioner, note installation position: Hole in housing floor faces toward chain tensioner, piston faces toward 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 "TDC".

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

Fig 1: Identifying Special Tool - 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.

-- Guide the camshaft timing chain upward toward the cylinder head. Pay close attention to the markings when removing.

Fig 2: Identifying 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-.

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

Fig 3: Identifying 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 CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .

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