A3 Mk2
Fitting locations - vehicles with engine codes BMN, BUY |
Note
Some components are located beneath the engine cover panel. For removal refer to → Fig.. |
1 - | Exhaust gas pressure sensor 1 -G450- |
q | Fitting location → Fig. |
q | Removing and installing → Chapter |
2 - | Lambda probe -G39- with Lambda probe heater -Z19- |
q | Fitting location → Fig. |
q | Removing and installing → Chapter |
3 - | Engine control unit |
q | Removing and installing → Chapter |
4 - | Temperature sender after particulate filter -G527- |
q | Fitting location → Fig. |
q | Removing and installing → Rep. Gr.26 |
5 - | Exhaust gas recirculation cooler change-over valve -N345- |
q | Fitting location → Fig. |
6 - | Temperature sender before particulate filter -G506- |
q | Fitting location → Fig. |
7 - | Unit injectors and glow plugs |
q | Unit injector solenoid valve, No. 1 cyl. -N240- |
q | Unit injector solenoid valve, No. 2 cyl. -N241- |
q | Unit injector solenoid valve, No. 3 cyl. -N242- |
q | Unit injector solenoid valve, No. 4 cyl. -N243- |
q | Removing and installing unit injectors → Chapter |
q | Glow plug 1 -Q10- |
q | Glow plug 2 -Q11- |
q | Glow plug 3 -Q12- |
q | Glow plug 4 -Q13- |
q | Removing and installing glow plugs → Chapter |
8 - | Position sender for charge pressure positioner -G581- |
9 - | Exhaust gas temperature sender 1 -G235- |
q | Fitting location → Fig. |
10 - | Solenoid valve for charge pressure control -N75- |
q | Fitting location → Fig. |
11 - | Electrical connectors on left side of bulkhead |
q | Fitting location → Fig. |
12 - | Exhaust emissions warning lamp -K83- |
q | In instrument cluster |
13 - | Accelerator position sender -G79- with accelerator position sender 2 -G185- |
q | Fitting location → Fig. |
14 - | Brake light switch -F- and brake pedal switch -F63- |
q | Fitting location: |
Vehicles up to approx. 11.2005 → Fig. |
Vehicles from approx. 11.2005 onwards (gradual introduction) → Fig. |
15 - | 5-position relay carrier in dash panel on driver's side (bottom left) |
q | With fuel pump relay -J17- |
q | With terminal 15 voltage supply relay 2 -J681- |
q | With terminal 50 voltage supply relay -J682- |
q | For identification of socket position refer to → Current flow diagrams, Electrical fault finding and Fitting locations |
16 - | Clutch position sender -G476- |
q | Fitting location → Fig. |
17 - | Relay and fuse holder in electronics box in engine compartment |
q | With terminal 30 voltage supply relay -J317- |
q | With terminal 15 voltage supply relay -J329- |
q | For identification of socket position refer to → Current flow diagrams, Electrical fault finding and Fitting locations |
18 - | Automatic glow period control unit -J179- |
q | Fitting location → Fig. |
19 - | Air mass meter -G70- |
20 - | Coolant temperature sender -G62- |
q | Fitting location → Fig. |
q | If necessary release pressure in cooling system before removing |
21 - | Tandem pump |
q | Removing, installing and checking → Rep. Gr.20 |
22 - | Multi-pin connector |
q | For unit injectors and glow plugs |
q | Fitting location → Fig. |
23 - | Engine speed sender -G28- |
q | Fitting location → Fig. |
q | Removing and installing → Chapter |
24 - | Fuel temperature sender -G81- |
q | Fitting location → Fig. |
25 - | Intake manifold flap motor -V157- |
q | Fitting location → Fig. |
26 - | 3-pin connector |
q | For Hall sender -G40- |
q | Fitting location → Fig. |
27 - | Exhaust gas recirculation valve -N18- with exhaust gas recirculation potentiometer -G212- |
q | Fitting location → Fig. |
28 - | Radiator outlet coolant temperature sender -G83- |
q | Fitting location → Fig. |
29 - | Charge air pressure sender -G31- with intake air temperature sender -G42- |
q | Fitting location → Fig. |
q | Removing and installing → Chapter |
30 - | Intake manifold flap valve -N316- |
q | Fitting location → Fig. |
31 - | Hall sender -G40- |
q | For camshaft position |
q | Fitting location → Fig. |
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