Intake Manifold: Service and Repair

Parts Of Fuel Injection, Removing And Installing (Vehicles With Engine Code AWP, AWV)







1 10 Nm
2 Air filter housing
3 6 Nm
4 Connector, 40-pin
- Switch ignition off before disconnecting or connecting connector
- disengage to pull off
5 Connector, 81-pin
- Switch ignition off before disconnecting or connecting connector
- disengage to pull off
6 Engine Control Module (ECM)*
(Motronic Engine Control Module (ECM) -J220-)
- Component location: in plenum chamber
- Checking voltage supply
7 4-pin harness connector
- brown/Black
- Terminals 3 and 4 gold-plated
- For Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- and Oxygen Sensor (O2S) Heater 1 -Z29-
- At right vehicle underside
8 Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- bank 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 Fuel Pump (FP) Relay -J17-
- Check oxygen sensor heater for OxygenSensor (O2S) behind Three Way Catalytic Converter (TWC)
- Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC)
9 6-pin harness connector
- Black
- Terminals are gold-plated
- For Heated Oxygen Sensor (HO2S) -G39- before Three Way Catalytic Converter (TWC) and Oxygen Sensor (O2S) Heater -Z19-
- At right vehicle underside
10 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)
11 Bracket
- for engine speed (RPM) sensor
12 O-ring
- Replace if damaged
13 Engine Speed (RPM) Sensor -G28-*
14 3-pin harness connector
- gray
- for engine speed (RPM) sensor
- Component location, engine compartment overview
15 20 Nm
16 45 Nm
17 Brace
- between intake manifold and engine block
18 Intake manifold
19 Charge Air Pressure Sensor -G31-*
- 4-pin connector
20 Seal
21 To Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-
22 Throttle Valve Control Module -J338-*
23 Return line
- secure with spring type clamps
- Check for secure fitting
- to fuel delivery unit in fuel tank
24 Supply line
- secure with spring type clamps
- from fuel filter
25 Fuel rail with fuel injectors
26 Intake Air Temperature (IAT) Sensor -G42-*
27 Retaining clip
- Check for secure fitting
28 Engine Coolant Temperature (ECT) Sensor -G62-*
- for Engine Control Module (ECM)
- with Engine Coolant Temperature (ECT) Sensor -G2-
- If necessary, release pressure in cooling system before removing
29 Connector
- Black, 4-pin
- for Engine Coolant Temperature (ECT) Sensor -G62-
30 to tube between turbocharger and charge air cooler
31 to tube between turbocharger and charge air cooler
32 To turbocharger
33 to crankshaft housing ventilation
- Cylinder head cover
34 to the crankshaft housing ventilation
- Oil filter bracket
35 Vacuum pressure connection
- from intake manifold
36 To Recirculating valve for turbocharger -N249-
- Overview plan of exhaust turbocharging system
37 to vacuum diaphragm at turbocharger
- Overview plan of exhaust turbocharging system
38 Wastegate Bypass Regulator Valve -N75-*
39 Intake hose
40 To suction jet pump
41 Mass Air Flow (MAF) Sensor -G70-*
- 5-pin connector