A4 Quattro Wagon V6-3.0L (AVK) (2002)
Air Injection Pump: Diagrams
Vacuum Diagram
1
-
From air filter.
2
-
Secondary Air Injection (AIR) pump motor -V101-
3
-
Throttle valve control module -J338-
4
-
Combi valve for secondary air inlet, right
5
-
From EVAP canister
6
-
Evaporative Emission (EVAP) canister purge regulator valve -N80-
7
-
Non-return valve
-
Between intake manifold and brake servo.
-
Installation position: as shown in Fig, arrow faces in direction of flow.
8
-
Secondary Air Injection (AIR) solenoid valve -N112-
-
Location: On retainer plate for solenoid valves at rear of engine.
9
-
Brake servo
10
-
Non-return valve
-
Between intake manifold and solenoid valves.
-
Installation position: as shown in Fig, arrow faces in direction of flow.
11
-
Combi valve for secondary air inlet, left
12
-
Non-return valve
-
Between brake servo pump and brake servo.
-
For vehicles with automatic transmission.
-
Installation position: as shown in Fig, arrow faces in direction of flow.
13
-
Brake system vacuum pump -V192-
-
For vehicles with automatic transmission.
14
-
Fuel pressure regulator
15
-
Vacuum reservoir
-
Location: In front left wheel housing beneath wheel housing liner.
16
-
Vacuum actuator
17
-
Intake manifold change-over valve -N156-