SEAT Workshop Service and Repair Manuals

Component locations, vehicles with engine code BMN

Some components are located under the engine cover. Removing → Fig.

1 -	Pressure sensor 1 of exhaust gases -G450-

q	Fitting location → Fig.

q	Removing and fitting → Chapter

2 -	Lambda probe -G39- withheater for the lambda probe -Z19-

q	Fitting location → Fig.

q	Removing and fitting → Chapter

3 -	Engine control unit

q	Removing and fitting → Chapter

4 -	Temperature sensor behind particle filter -G527-

q	Fitting location → Fig.

q	Removing and fitting → Chapter

5 -	Exhaust gas recirculation radiator switching valve -N345-

q	Fitting location → Fig.

6 -	Temperature sensor before particulate filter -G448-

q	Fitting location → Fig.

7 -	pump-injector and Glow plugs

q	Injector-pump valve of cylinder 1 -N240-

q	Injector-pump valve of cylinder 2 -N241-

q	Injector-pump valve of cylinder 3 -N242-

q	Injector-pump valve of cylinder 4 -N243-

q	Injector-pump: removing and fitting → Chapter

q	Glow plug 1 -Q10-

q	Glow plug 2 -Q11-

q	Glow plug 3 -Q12-

q	Glow plug 4 -Q13-

q	Removing and fitting glow plugs → Chapter

8 -	Charge pressure actuator position sender -G581-

9 -	Exhaust gas temperature sender 1 -G235-

q	Fitting location → Fig.

10 -	Electronic pressure limiter valve for supercharger -N75-

q	Fitting location → Fig.

11 -	Connectors on the left of the dashboard.

q	Fitting location → Fig.

12 -	Exhaust gas warning lamp -K83-

q	On the instrument panel

13 -	Accelerator position sender -G79- and accelerator position sender 2 -G185-

q	Fitting location → Fig.

14 -	Brake light switch -F- and brake pedal switch -F63-

q	Fitting location:

Vehicles until 11.2005, approximately → Fig.

Vehicles from 11.2005, approximately (progressive implementation) → Fig.

15 -	5 Position relay carrier in the lower left part of the dash panel insert (driver side)

q	With fuel pump relay -J17-

q	With voltage supply relay 2, terminal 15 -J681-

q	With voltage supply relay, terminal 50 -J682-

q	Terminals layout → Current flow diagrams, Electrical fault finding and Fitting locations

16 -	Clutch position sender -G476-

q	Fitting location → Fig.

17 -	Electronics box relay carrier and fusebox in the engine compartment

q	With voltage supply relay of the terminal 30 -J317-

q	With voltage supply relay of the terminal 15 -J329-

q	Terminals layout → Current flow diagrams, Electrical fault finding and Fitting locations

18 -	Control Unit of the automatic preheating cycle -J179-

q	Fitting location → Fig.

19 -	Air mass gauge -G70-

20 -	Coolant temperature sender -G62-

q	Fitting location → Fig.

q	Before removing, reduce cooling system pressure if necessary

21 -	Tandem pump:

q	Checking → Chapter, removing and fitting → Chapter

22 -	Multiple connector

q	For unit injectors and preheating glow plugs

q	Fitting location → Fig.

23 -	Engine speed sender -G28-

q	Fitting location → Fig.

q	Removing and fitting → Chapter

24 -	Fuel temperature sensor -G81-

q	Fitting location → Fig.

25 -	Intake manifold flap motor -V157-

q	Fitting location → Fig.

26 -	Connector, 3-way

q	For the Hall sender -G40-

q	Fitting location → Fig.

27 -	Exhaust gas recirculation valve -N18- and exhaust gas recirculation potentiometer -G212-

q	Fitting location → Fig.

28 -	Radiator outlet coolant temperature sender -G83-

q	Fitting location → Chapter

29 -	Supercharger pressure sensor -G31- with intake air temperature sensor -G42-

q	Fitting location → Fig.

q	Removing and fitting → Chapter

30 -	Valve for the intake manifold flap -N316-

q	Fitting location → Fig.

31 -	Hall sender -G40-

q	For the position of the crankshaft

q	Fitting location → Fig.

q	Removing and installing → Chapter

Removing engine cover –  Detach the outer -1- and inner -2- engine covers, by pulling them evenly upwards.

Location of the multiple connector for the injector pump units and the preheating glow plugs. t  To separate the connector, unblock the gudgeon pin by pulling it -arrow 1- and loosen the knurled bolt -arrow 2-.

Accelerator position sender position -G79- with accelerator position sender 2 -G185- t  To separate the connector -2- unlock the clip by pressing it and uncouple the wiring holder -1-. t  Removing and fitting → Chapter   Note Diagram shows set-up on left-hand drive vehicles.

Location of the brake light switch -F- and of the brake pedal switch -F63- up to 11.2005, approximately t  In the pedal support -arrow-. t  Removing and fitting → Rep. Gr.46

Location of the brake light switch -F- and of the brake pedal switch -F63- from 11.2005, approximately (progressive implementation) t  In the brake master cylinder, in the engine compartment. t  Removing and fitting → Rep. Gr.46 1 -  Electrical connector 2 -  Brake light switch -F- / brake pedal switch -F63-

Location of the clutch position sender -G476- t  In the clutch pump -arrow-. t  Removing and fitting → Rep. Gr.30

Location of the control unit of the automatic preheating cycle -J179- t  -Pos. 1- of the relay support under the electrics box (E-Box) in the engine compartment

Fitting location: on the left side of the bulkhead 1 -  Electronic pressure limiter valve for supercharger -N75- 2 -  Orange connector for the temperature sensor after particle filter -G527- 3 -  Brown connector for the temperature sensor before particle filter -G448- 4 -  Black connector for the lambda probe -G39- 5 -  Black connector for the exhaust gas temperature sender 1 -G235-

Mounting location in the upper part in the particle filter 3 -  Lambda probe -G39- withheating for the lambda probe -Z19- removing and fitting → Chapter 4 -  Pressure hose towards exhaust gas pressure sensor 1 -G450- 5 -  Exhaust gas temperature sender 2, bedplate 1 -G448-: removing and fitting → Chapter   Note Ignore positions -1- and -2-.

Mounting location in the lower part in the particle filter 1 -  Temperature sensor behind particle filter -G527-: removing and fitting → Chapter 2 -  Pressure hose towards exhaust gas pressure sensor 1 -G450-

Location of the exhaust gas temperature sender 1 -G235- t  In the turbocharger. t  Removing and fitting → Chapter

Location of the coolant temperature sender -G62- t  On the left hand side of the engine.

Location of the fuel temperature sender -G81- t  On the front of the engine. t  Removing and fitting → Chapter

Location of the engine speed sender -G28- t  On flywheel side of engine. 1 -  Engine speed sender -G28- 2 -  Generator wheel:

Location of the supercharger pressure sensor -G31- with intake air temperature sensor -G42- t  In the air front conduit, behind the radiator -2-.

Location of the intake manifold flap motor -V157- and of the exhaust gas recirculation valve -N18- with exhaust gas recirculation potentiometer -G212- t  In front, in the intake manifold. t  Exhaust gas recirculation valve -N18- with exhaust gas recirculation potentiometer -G212--Item 2-: Removing and installing → Chapter t  Intake manifold flap motor -V157--Item 3-: Removing and installing → Chapter   Note Item -1- can be disregarded.

Location of the exhaust gas recirculation, radiator change-over valve -N345- t  In the rear part of the cylinder head

Location of the pressure sensor 1 of exhaust gases -G450- t  In the rear part of the cylinder head -arrow-. t  Removing and fitting → Chapter   Note For improved understanding, it is shown in the illustration with engine removed from behind.

Location of the intake manifold flap -N316- t  At the right front of the engine of the intake manifold -arrow-.

Location of the triple connector for the Hall sender -G40- t  At the front of the engine, under the intake manifold -arrow-.

Location of the Hall sender -G40- t  In the engine right side, in the cam shaft pinion -arrow-.