Turbocharger With Attachments, Removing and Installing

Turbocharger With Attachments, Removing And Installing

Observe rules for cleanliness.

NOTE:
- Always replace self-locking nuts, bolts which have been tightened to tightening torque as well as gaskets and O-rings.
- Secure all hose connections using hose clamps appropriate for the model type.
- Before performing a test or repair, check all hoses and wires for secure fitting and proper seal.
- Charge air system must be properly sealed.
- Charge air hoses and connectors must be free of grease when reinstalling.

Assembly Overview

Part I

NOTE:
- Always replace seals.







1 - Front exhaust pipe
2 - 40 Nm
- Replace
- Coat thread with hot bolt paste
3 - Spacer sleeve
4 - Gasket
- Replace
5 - 10 Nm
- use liquid securing material "D 000 600 A2" to insert
6 - Vacuum diaphragm
- For boost pressure regulator valve
- Vacuum diaphragm can only be replaced with exhaust turbocharger
7 - Fuse
8 - Turbocharger
- Boost pressure regulation, checking.
9 - O-ring
- Replace
10 - 10 Nm
11 - Connection
12 - Gasket
- Replace
- Note installation position
13 - 20 Nm
14 - Heat shield
15 - 10 Nm
16 - Banjo fitting - 30 Nm
17 - Oil supply line
- from oil filter bracket
18 - 30 Nm
- Replace
- Coat threads and bolt head contact surface with G000500
19 - Exhaust manifold
20 - Gasket
- Replace
- Note installation position
21 - 20 Nm
22 - Banjo fitting - 30 Nm
23 - 25 Nm
- Replace
24 - Banjo fitting - 35 Nm
25 - Coolant return line
26 - 25 Nm
27 - Spacer sleeve
28 - Banjo fitting - 35 Nm
29 - 10 Nm
30 - Coolant supply line
31 - Banjo fitting - 35 Nm
32 - Bracket
33 - 30 Nm
- Only use genuine Audi screws
34 - 25 Nm
35 - Gasket
- Replace
36 - Gasket
- Replace
37 - 10 Nm
38 - Oil return line
- To oil pan
39 - 10 Nm
40 - 10 Nm
- use liquid securing material "D 000 600 A2" to insert

Part II







1 - to boost pressure regulator valve
2 - Retaining clip
3 - O-ring
- Replace
4 - Intake air hose
- to connection on turbocharger
5 - Wastegate Bypass Regulator Valve -N75-
- Activation, checking
6 - Mechanical recirculating valve
7 - Hose
- to Turbocharger Recirculating Valve -N249-
8 - Pressure regulator valve
- For crankcase ventilation
9 - Hose
- from mechanical recirculation valve to upper air guide pipe
10 - to crankcase ventilation
11 - upper air guide pipe
12 - 25 Nm
13 - 25 Nm
14 - to throttle valve connections
15 - N on-return valve
- Installation position (light/dark side): As shown in illustration
16 - to Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-
17 - Hose
18 - N on-return valve
- Installation position (light/dark side): As shown in illustration
19 - Coolant line
20 - to connection on turbocharger
21 - to vacuum diaphragm for boost pressure regulator valve