Camshaft Timing Chain, Removing And Installing: Installing

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 .