Camshaft Timing Chain, Removing From Camshafts: Installing

• Timing mechanism drive chain is installed. Refer to TIMING MECHANISM DRIVE CHAIN, REMOVING AND INSTALLING .
• Secure the crankshaft with the :T40069  .

• The :T40264/2A  is installed and tightened to 12 Nm -arrows-.

  Courtesy of AUDI OF AMERICA, LLC

• Replace the bolts that were tightened with an additional turn after removing them.

-- Mount the camshaft timing chain from the drive wheel -arrow-.

Courtesy of AUDI OF AMERICA, LLC

Courtesy of AUDI OF AMERICA, LLC

• Re-install the camshaft adjusters according to the marks applied during removal.
• The groove -1 and/or 4- in the camshaft adjuster must align with the adjustment window -2 and/or 3-.

-- Position the camshaft adjuster according to the identification with the camshaft timing chain on.

Courtesy of AUDI OF AMERICA, LLC

-- Loosely install the bolts -1 and 2-.

• Both camshaft adjusters must be able to still be rotated on camshaft and must not tip.

-- Remove the :T03006  .

-- Position the :T40297  on the camshaft adjuster of the exhaust camshaft.

Courtesy of AUDI OF AMERICA, LLC

-- Position the :VAS6583  with the :VAG1332/11  on the :T40297  .

• The help of a second technician is required for the following step.
• Replace the bolts for the camshaft adjuster.

-- Have a second technician pretension the camshaft adjuster clockwise to 25 Nm and hold the tension. 

-- Tighten the bolts as follows while the camshaft adjuster is still held under pretension.

Courtesy of AUDI OF AMERICA, LLC

Step	Bolt	Tightening Specification
1a.	-1-	To the intake camshaft 60 Nm
1b.	-2-	To the exhaust camshaft 60 Nm

-- Tighten the camshaft adjuster bolts as follows:

Step	Bolt	Additional Turn
2a.	-1-	90°
2b.	-2-	90°

-- Remove the :T40297  and :T40264/2A  .

-- Remove the :T40069  .

Valve Timing, Checking

-- Using the :T03003A  , turn the crankshaft two turns in the direction of engine rotation in direction of -arrow- until it is back at "TDC".

• The notch -1- in the :T03003A  is positioned vertically to the oil pan sealing surface.
• The marking -2- on the vibration damper is positioned opposite the marking -3- on the sealing flange.

TIP:

If accidentally turned out of "TDC" the crankshaft must be rotated back two turns and set to "TDC" again.

• The threaded holes -arrows- in the camshafts must face upward.

  Courtesy of AUDI OF AMERICA, LLC

TIP:

If the threaded hole is not visible, turn the crankshaft one additional turn.

-- Install the : T40264/2A  and tighten the bolts -arrows- to 12 Nm.

Courtesy of AUDI OF AMERICA, LLC

-- Install the :T40069  in the groove and tighten to 15 Nm.

• The :T40069  must engage in the locating groove on the crankshaft, otherwise repeat the adjustment.

-- Remove the :T40264/2A  and :T40069  .

Further installation is performed in reverse order of removal, while noting the following:

-- Install the crankcase ventilation module. Refer to CRANKCASE VENTILATION MODULE, REMOVING AND INSTALLING .

-- Install the camshaft adjustment valves. Refer to Camshaft Adjustment Valve 1 -N205- / .

-- Install the upper timing chain cover. Refer to UPPER TIMING CHAIN COVER, REMOVING AND INSTALLING .

After Removing or Replacing the Chain Drive Components the Adaptation Values for the Chain Length must be Adapted Again.

-- Connect the Vehicle Diagnostic Tester.

-- Select Diagnostic  operating mode and Start diagnostics  .

-- Select the Select individual test  tab and select the following tree structure consecutively:

• Drivetrain 
• Select the engine code and engine 
• 01- OBD-capable systems  .
• 01 - Engine Electronics 
• 01 - Engine electronics, functions 
• 01 - Chain length diagnostic adaptation 

Tightening Specifications

• Refer to OVERVIEW - CAMSHAFT TIMING CHAINS 
• Refer to OVERVIEW - CRANKSHAFT
• Refer to OVERVIEW - NOISE INSULATION .