Part II

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2006 Volkswagen GTI, 2005 Volkswagen Jetta, 2005 Volkswagen GTI, 2004 Volkswagen Jetta, and 2004 Volkswagen GTI. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Components marked with ^* are checked via On Board Diagnostic (OBD).
Components marked with ^** are checked via output Diagnostic Test Mode (DTM).
Note installation position of heat shield mats

Fig 1: Turbocharger With Attachments, Assembly Overview - Part II

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Deceleration shut-off valve

Checking refer to Deceleration shut-off valve, checking

2 - Connecting hose

To Recirculating valve for turbocharger N249 ^*/**

3 - Pressure regulator valve

For crankcase ventilation

4 - Connecting hose

From deceleration shut-off valve to upper air guide pipe

5 - To crankcase housing ventilation

6 - From air filter

7 - Upper air guide pipe

Note installation position of heat shield mat
Vehicles with engine code AWP, AWW with quick-release connection (with O-ring and retaining clip)
Vehicles with engine code AWD with screw-type clamps

8 - Bracket

9 - 40 Nm

10 - 25 Nm

11 - To connection hose for lower connection sleeve/charge air cooler

12 - O-ring

Replace
Only vehicles with engine code AWP, AWW

13 - Retaining clip

Check for secure seat
Only vehicles with engine code AWP, AWW

14 - 10 Nm

15 - From turbocharger exhaust connection

16 - Connecting hose

17 - Connecting hose

To vacuum diaphragm for boost pressure regulator valve

18 - Retaining clip

Check for secure seat

19 - O-ring

Replace

20 - Intake tube

To intake tube of turbocharger

21 - Wastegate Bypass Regulator Valve N75 ^*/**

Valve is activated (pulsed) by engine control module
Check activation.