Fuel Delivery and Air Induction: Diagrams

Vacuum Diagram







1 - From fuel tank
2 - EVAP canister
- With Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-
3 - Check valve for EVAP canister
- Between EVAP canister and intake manifold before turbocharger
- Installed position (light/dark side): Arrow points in direction of flow, as shown in figure.
4 - Turbocharger
5 - Vacuum diaphragm for boost pressure regulation
6 - Mechanical recirculation valve
7 - Brake booster
8 - Check-valve
- Between brake booster and intake manifold
- Installed position (light/dark side): Arrow points in direction of flow, as shown in figure.
9 - Wastegate bypass regulator valve -N75-
10 - Mass Air Flow (MAF) sensor -G70-
11 - Air filter
12 - Pressure regulator valve for crankshaft housing ventilation
13 - Vacuum reservoir
- Bolted on at cylinder head
14 - Charge air cooler
- With Charge air pressure sensor -G31-
15 - Fuel pressure regulator
16 - Throttle Valve Control Module -J338-
17 - Intake manifold
- With Intake Air Temperature (IAT) sensor -G42-
18 - Crankshaft housing ventilation
19 - Check valve
- Installed position (light/dark side): Arrow points in direction of flow, as shown in figure.
20 - Recirculating valve for turbocharger -N249-
- Component location, See Fig.1
21 - Check valve
- Between EVAP canister and intake manifold
- Installed position (light/dark side): Arrow points in direction of flow, as shown in figure.
22 - Charge air cooler







Fig. 1 Location of Recirculating valve for turbocharger -N249-

- On cylinder head cover
1 - To connection at intake manifold
2 - Vacuum reservoir
3 - To mechanical recirculating valve
4 - Recirculating valve for turbocharger -N249-