Audi Workshop Service and Repair Manuals

Notes:

• ◆ The illustration shows a turbocharger for vehicles with front-wheel drive.
• ◆ A resonator is additionally fitted to the turbocharger for vehicles with four-wheel drive => Fig.1.

• 20 Nm
• ◆ Replacing
• Heat shield
• Seal
• ◆ Replacing
• Front exhaust pipe
• ◆ With catalytic converter
• ◆ Removing and installing
  =>Page 26-10

• 23 Nm
• ◆ Replacing
• 20 Nm
• ◆ Replacing
• Bracket
• ◆ For oil feed line
• Seal
• ◆ Replacing
• 22 Nm
• ◆ Replacing
• Connecting pipe
• ◆ For exhaust gas recirculation
• ◆ Note installation sequence:
• ‒ First bolt on loosely.
• ‒ Then tighten bolts to final torque.
• Seal
• ◆ Replacing

• 10 Nm
• Oil supply pipe
• ◆ Tighten union nut to 22 Nm.
• ◆ Note installation sequence:
• ‒ First screw in both wiring ends loosely.
• ‒ Then tighten wiring ends to final torque.
• ‒ Finally, attach bracket -Items 7- and -15-.
• 22 Nm
• 10 Nm
• Sealing rings
• ◆ Replacing
• Banjo bolt - 25 Nm

• 30 Nm
• Sealing ring
• ◆ Replacing
• Seal
• ◆ Replacing
• ◆ Note installation position
• Shim
• 25 Nm
• ◆ Replacing
• Bracket
• ◆ For turbocharger
• ◆ Note installation sequence:
• ‒ First bolt on loosely.
• ‒ Then tighten bolts to final torque.

• 40 Nm
• ◆ Note installation sequence => -Item23-
• Turbocharger
• ◆ Checking => as of Page 21-7
• ◆ Removing and installing - vehicles with front-wheel drive -engine code AXR- => Page 21-42
• ◆ Removing and installing - vehicles with front-wheel drive -engine codes ASZ, ATD- => Page 21-53
• ◆ Removing and installing - vehicles with four-wheel drive -engine code ASZ- => Page 21-62
• ◆ Do not dismantle
• Seal
• ◆ Replacing
• Sealing ring
• ◆ Replacing

• Screw fitting - 40 Nm
• Oil return pipe
• ◆ To cylinder block
• ◆ Tighten union nut to 30 Nm.
• 15 Nm
• ◆ Use only correct bolts (same as original equipment); strength rating 10.9.

=> Parts List

• Hose
• ◆ From boost pressure control solenoid valve -N75
• 20 Nm
• ◆ Note installation sequence =>
  -Item 23-

→ Fig.1    Fastening resonator to turbocharger - vehicles with four-wheel drive

• ‒ Tighten to 9 Nm -arrows-.