Parts of the Fuel Injection, Removing and Installing
Parts Of The Fuel Injection, Removing And Installing (Vehicles With Engine Code BDF)
1 Secondary Air Injection (AIR) Solenoid Valve -N112-*
2 Intake Manifold Change-Over Valve -N156-*
3 Vacuum actuator
- for intake manifold change-over
4 Vacuum reservoir
- for intake manifold change-over
5 Intake manifold
6 Throttle Valve Control Module -J338-*
- Heated by coolant
- Terminals from connector are gold-plated
- Removing and installing, disassembling and assembling intake manifold
7 Vacuum line
- To disengage, squeeze together at front
8 Engine Control Module (ECM)*
(Motronic Engine Control Module (ECM) -J220-)
- Component location: in plenum chamber
- Checking voltage supply
9 Bracket
10 Connector
- for Engine Control Module (ECM)
- Always switch ignition off before disconnecting or connecting connector
- disengage to pull off
11 Retaining clip
- Check for secure fitting
12 Coolant regulator housing
13 O-ring
- Replace if damaged
14 Engine Coolant Temperature (ECT) Sensor -G62-*
- for Engine Control Module (ECM)
- with Engine Coolant Temperature (ECT) Sensor -G2-
- Terminals are gold-plated
- If necessary, release pressure in cooling system before removing
15 10 Nm
16 Engine Speed (RPM) Sensor -G28-*
17 Connector
- Black, 4-pin
- Terminals 3 and 4 gold-plated
- For Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 -Z29-
- Component location: At right vehicle underside
18 Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- bank 1*, 50 Nm
- Component location: In rear catalytic converter
- Only use "G 052 112 A3" to grease thread; do not let "G 052 112 A3" get onto slit of oxygen sensor
- Voltage supply of oxygen sensor heater via Fuel Pump (FP) Relay -J17-
- Check oxygen sensor heater for Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC)
- Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC)
19 Connector
- Terminals are gold-plated
- Black, 6-pin
- For Heated Oxygen Sensor (HO2S) -G39- and Oxygen Sensor (O2S) Heater -Z19-
- Component location: At right vehicle underside
20 Heated Oxygen Sensor (HO2S) -G39- bank 1*, 50 Nm
- Component location: in front catalytic converter
- Only use "G 052 112 A3" to grease thread; do not let "G 052 112 A3" get onto slit of oxygen sensor
- Voltage supply of oxygen sensor heater via Fuel Pump (FP) Relay -J17-
- Check oxygen sensor heater for Oxygen Sensor (O2S) before Three Way Catalytic Converter (TWC)
- Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way Catalytic Converter (TWC)
21 fork
22 Check-valve
- Note installed position
- White connector points to Secondary Air Injection (AIR) Solenoid Valve -N112-/Intake Manifold Change-Over Valve -N156-
23 Vacuum line
- From vacuum reservoir, Item 4
24 Vacuum pressure connection
- From combination valve
25 Connector
- black, 2-pin
- before disconnecting, mark allocation to component
26 Wiring harness
- With harness connectors for fuel injectors
27 Fuel distributor.