Camshaft Timing Chain, Removing From Camshafts: Installing

Fig 1: Identifying Locking Pin T40069

Courtesy of AUDI OF AMERICA, LLC

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

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

  Courtesy of AUDI OF AMERICA, LLC

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

-- Mount the camshaft timing chain from the drive chain sprocket -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 Locking Pin (3 pc.):T40011  .

-- Position the Timing Chain Tensioning Key:T40297  on the exhaust camshaft adjuster.

Courtesy of AUDI OF AMERICA, LLC

-- Position the Electronic Torque Wrench 3-60Nm:VAS 6583  with the Torque Wrench 1332 Insert - Open Ring Wrench - 24mm:V.A.G 1332/11  on the Key:T40297  .

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

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

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

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the camshaft adjuster bolts as follows:

-- Remove the Key:T40297  and Camshaft Lock:T40264/2A  .

-- Remove the Crankshaft Locking Pin:T40069  .

Valve Timing, Checking

Fig 2: Turning Crankshaft To TDC

Courtesy of AUDI OF AMERICA, LLC

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

• The notch -1- in the Crankshaft Adapter :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 Camshaft Lock: T40264/2A  and tighten the bolts -arrows- to 12 Nm.

Courtesy of AUDI OF AMERICA, LLC

-- Install the Crankshaft Locking Pin:T40069  in the locating groove and tighten to 15 Nm.

Fig 3: Identifying Locking Pin T40069

Courtesy of AUDI OF AMERICA, LLC

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

-- Remove the Camshaft Lock:T40264/2A  and Crankshaft Locking Pin:T40069  .

Install in reverse order of removal. Note 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- /Exhaust Camshaft Adjustment Valve 1 -N318-, REMOVING AND INSTALLING .

-- 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:

• Drive  (display depends on the model)
• Select the engine code and engine  (display depends on the model)
• 0001 - OBD-Capable Systems  or Diagnostic-Capable System 
• 0001 - Engine Electronics 
• 0001 - Engine electronics, functions 
• 0001 - Adaptation diagnostic chain length 

Tightening Specifications

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