Variable Induction Control Valve: Service and Repair

Intake Manifold, Disassembling and Assembling







1 - Intake manifold
2 - Seal
- Always replace
3 - Bearing cap
- For Intake Manifold Change-Over Valve -N156- barrel
4 - Bracket
- For engine cover mounting pin
5 - Mounting pin, 5 Nm
- For engine cover
6 - 5 Nm
7 - 23 Nm
8 - Vacuum union
- From brake booster
9 - Vacuum union
- From fuel system diagnosis pump:
10 - Vacuum union
- From fuel pressure regulator junction piece
11 - Vacuum union
- From crankcase breather/Evaporative Emission (EVAP) Canister Purge Solenoid Valve 1 vacuum line junction piece
12 - Throttle Valve Control Module -J338-*
- No cable cam plate for accelerator cable as this is an EPC system
- When replacing, erase learned values and adapt Motronic Engine Control Module (ECM) -J220- to Throttle Valve Control Module -J338-.
- 6-pin connector
- Gold plated terminals
- Heated by coolant
13 - 8 Nm
14 - Vacuum line
- To Intake Manifold Change-Over Valve -N156-, item 2
15 - Vacuum actuator
- For Intake Manifold Change-Over Valve -N156-
16 - Positioning lever
- For change-over barrel
- Check seated securely
17 - Change-over barrel
18 - Gasket
- Observe installation position
- replace if damaged
19 - Vacuum reservoir
- For Intake Manifold Change-Over Valve -N156-
- Removing and installing:
20 - Dowel sleeve
- To secure intake manifold
- To locate gasket
21 - 13 Nm