Camshaft Timing Chain, Removing And Installing: Installing

Tightening Specification. Refer to OVERVIEW - CAMSHAFT TIMING CHAIN .

NOTE:

If The Tensioning Element Was Removed From The Chain Tensioner, Then The Installation Position Must Be Noted: Hole In Housing Floor Faces Toward Chain Tensioner, Piston Faces Toward Tensioning Rail.

Replace any bolts that were tightened with an additional turn.

Replace the seals

CAUTION:

Risk Of Damaging Valves And Piston Crowns.

If camshafts are rotated, crankshaft may not rest with any piston at "Top Dead Center (TDC)".

-- Press the guide rails for the left or right camshaft timing chain tensioner inward in direction of -arrow- as far as the stop and secure the chain tensioner with a :T40071 .

Fig 1: Pressing Left/Right Camshaft Timing Chain Guide Rail Inward And Securing Chain Tensioner With Locking Pin T40071

Courtesy of AUDI OF AMERICA, LLC

-- Clean the oil strainer -2- in both chain tensioners if necessary.

Fig 2: Identifying Chain Tensioner Oil Screen, Gasket & Chain Tensioner

Courtesy of AUDI OF AMERICA, LLC

-- Position a new seal -3- on the rear of the chain tensioner -1-.

-- Insert the chain tensioner on the left cylinder head and position the camshaft timing chain according to the markings made during removal, as shown in the illustration.

Fig 3: Identifying Bolts For Left Chain Tensioner And Left Camshaft Timing Chain

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts -1 and 2-.

-- Insert the chain tensioner on the right cylinder head and position the camshaft timing chain according to the markings made during removal, as shown in the illustration.

Fig 4: Identifying Bolts For Right Chain Tensioner And Right Camshaft Timing Chain

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