Parts of Intake Manifold Change-Over, Removing and Installing

Parts of intake manifold change-over, removing and installing







vacuum hose setup Fig. 1 and Fig. 2

1 Vacuum actuator
2 Compression spring
3 Vacuum hose
- from intake manifold, item 6
4 Check-valve
- Installation position: blue side to Y-piece =>, item 8
5 to Secondary Air Injection (AIR) Solenoid Valve
6 6 Nm
7 Intake Manifold Change-Over Valve -N156-
8 Y-piece
9 To fuel pressure regulator
10 T-piece
11 10 Nm
12 Securing plate
13 Rubber grommet
14 Spacer sleeve
15 Vacuum reservoir
- Installation location: in left wheelhousing
- for intake manifold change-over at full throttle
16 Intake manifold
17 Washer
- conical side toward intake manifold
18 Seal
- Replace if damaged
19 Change-over roller
20 Seal
- for change-over roller

Fig. 1 Vacuum connections (top view)





1 to vacuum actuator for intake manifold change-over
2 to combination valves
3 Secondary Air Injection (AIR) solenoid valve
4 to Secondary Air Injection (AIR) Solenoid Valve
5 to T-piece at intake manifold
6 Check-valve
7 Intake manifold change-over valve
8 to vacuum reservoir in left wheelhousing
9 from T-piece at intake manifold
10 Fuel pressure regulator

Fig. 2 Vacuum connections (rear view)





1 Fuel pressure regulator
2 to crankcase breather valve
3 Vacuum booster
4 T-piece
5 Check-valve
6 Intake air scoop
7 Crankcase breather valve