TT L4-1.8L Turbo (BEA) (2004)
Air Bypass Valve: Locations
Overview of Turbocharging System
Overview Of Turbocharging System
1
From fuel tank
2
EVAP canister
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with Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-
3
Check-valve for EVAP canister
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between EVAP canister and intake manifold before turbocharger
-
Installation position (light/dark side): Arrow points in direction of aperture, as shown in figure.
4
Turbocharger
-
Boost pressure regulation
5
Vacuum diaphragm for boost pressure regulation
6
Mechanical recirculation valve
7
Brake booster
8
Check-valve
-
Between brake booster and intake manifold
-
Installation position (light/dark side): Arrow points in direction of aperture, as shown in figure.
9
Wastegate Bypass Regulator Valve -N75-
-
Check activation
10
Mass Air Flow (MAF) Sensor -G70-
11
Air filter housing
12
Pressure regulator valve for crankshaft housing ventilation
13
Vacuum reservoir
-
Bolted on at cylinder head
14
Fuel pressure regulator
15
Intake manifold
-
with Intake Air Temperature (IAT) Sensor - G42-
16
Check-valve
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Installation position (light/dark side): Arrow points in direction of aperture, as shown in figure.