Audi Workshop Service and Repair Manuals

Note:

Mark the running direction with chalk or felt pen before removing the toothed belt. If the belt runs in the opposite direction when it is refitted, this can cause breakage.

• Toothed belt guard - lower
• ◆ Detach to remove crankshaft pulley
• Toothed belt guard - centre
• 10 Nm
• ◆ Install using locking compound
• ◆ Locking compound

=> Parts List

• Removing
• ◆ Engine support => Removing and installing toothed belt, Page 13-25
• 45 Nm
• ◆ Observe the tightening sequence
• Toothed belt guard - upper
• ◆ When installing, engage carefully in centre toothed belt guard.
• Toothed belts
• ◆ Mark running direction with chalk or felt pen before removing
• ◆ Check for wear
• ◆ Removing
• ◆ Install (adjust valve timing) => Page 13-30.
• 20 Nm

• Corrugated washer
• 100 Nm
• ◆ To loosen and tighten, use counterhold 3415 =>Fig.1
• Camshaft sprocket
• ◆ With sender wheel for Hall sender -G40
• ◆ For removal and installation remove toothed belt => Page 13-25
• ◆ Installation position is fixed by Woodruff key -Item 14-
• Toothed belt guard - upper
• ◆ When installing, engage carefully in centre toothed belt guard.
• 10 Nm

• Woodruff key
• ◆ Ensure tight fit
• Hall sender -G40
• ◆ Make sure base plate is properly centred when installing
• 10 Nm
• Toothed belt guard - rear
• 20 Nm
• Tensioning roller (semi-automatic)
• ◆ Checking => Page 13-44
• ◆ Installation position => Fig. 2.
• Coolant pump
• ◆ Removing and installing
  .

• 15 Nm
• Crankshaft sprocket
• ◆ Contact surface between sprocket and crankshaft must be free of oil
• ◆ Can only be installed in one position
• 90 Nm + 90° (1/4 turn) further
• ◆ Replace
• ◆ Do not use oil
• ◆ Counter hold with 3415 to loosen and tighten
• ◆ Bolt on counterhold 3415 => Fig.13-24

→ Fig.1    Detaching camshaft sprocket

• ‒ Use counterhold tool 3415 to loosen and tighten the central bolt.

Note:

Remove the bolts from the threaded bores -arrows- before applying counterhold 3415.

→ Fig.2    Installation position of semi-automatic tensioning roller

Retaining lug -arrow- must engage in slot on cylinder head.

→ Fig.3    Removing and installing crankshaft sprocket

• ‒ Use counterhold 3415 to loosen and tighten the central bolt.

→ Fig.4    Installing engine support

• ‒ Remove bolts -1...3-.
• ‒ Then tighten the bolts -1...3- to 45 Nm.