Toothed belt, removing and installing: Installing

Insert camshaft clamp 3391 in securing plates of two camshafts.
Loosen both camshaft bolts and remove approx. 5 turns.
Take out camshaft clamp 3391.
Pull off both camshaft sprockets with special tool T40001.
Reinstall both camshaft sprockets with securing plates and tighten hand-tight again.
NOTE: The camshaft sprockets should be just tight enough on the camshaft tapers so that they can still be turned but do not move axially.

Fig 1: Pulling Camshaft Sprockets With Special Tool T40001
Courtesy of AUDI OF AMERICA, INC.
Install toothed belt on all sprockets as illustrated.
Install camshaft clamp 3391.

Fig 2: Installing Toothed (Timing) Belt On All Sprockets
Courtesy of AUDI OF AMERICA, INC.
Using a hex key, turn toothed belt tensioning roller -1- clockwise 8 mm in direction of arrow until special tool T 400 11 can be removed.

Fig 3: Turning Toothed Belt Tensioning Roller Clockwise Using Hex Key
Courtesy of AUDI OF AMERICA, INC.
Pre-tension toothed belt by turning in direction of arrow with a torque of 15 Nm using a torque wrench.
Tighten bolts on camshaft sprockets.

Fig 4: Pre-Tension Toothed Belt By Turning In Direction Of Arrow/caption>
Courtesy of AUDI OF AMERICA, INC.
Install idler wheel for ribbed belt -arrows-.
Install toothed belt guard behind vibration damper -arrows-.

Fig 5: Installing Idler Wheel For Ribbed Belt And Toothed Belt Guard Behind Vibration Damper
Courtesy of AUDI OF AMERICA, INC.
Install vibration damper. Note positions of locating lugs -arrows- on belt sprocket.

Fig 6: Installing Vibration Damper
Courtesy of AUDI OF AMERICA, INC.
Install toothed belt guard.
Install ribbed belt. See INSTALLING .