SEAT Workshop Service and Repair Manuals

Overview of fitting locations

1 -	Differential pressure sender -G505-

q	Location → Fig.

q	Adaption must be performed after renewing this component

q	removing and fitting → Chapter

2 -	Hall sender -G40- (camshaft position sensor)

q	Location → Fig.

q	removing and fitting → Chapter

q

10 Nm

3 -	Exhaust gas temperature sender 3 -G495-

q	Location → Fig.

q	removing and fitting → Chapter

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

q	Location → Fig.

q	removing and fitting → Chapter

q

50 Nm

5 -	Engine control unit -J623-

q	Location → Fig.

q	removing and fitting → Chapter

6 -	Injectors (piezo injectors)

q	Location → Fig.

q	removing and fitting → Chapter

7 -	Position sender for charge pressure positioner -G581-

q	Location → Fig.

8 -	Fuel pressure regulating valve -N276-

q	Location → Fig.

q	removing and fitting → Chapter

q

80 Nm

9 -	Charge pressure control solenoid valve -N75-

q	Installation location, right side → Fig.

10 -	Electrical connectors

q	Installation location, right side → Fig.

11 -	Air mass meter -G70-

q	removing and fitting → Chapter

12 -	Coolant temperature sender -G62-

q	Location → Fig.

q	removing and fitting → Chapter

13 -	Engine speed sender -G28-

q	removing and fitting → Chapter

q	Location → Fig.

q

4.5 Nm

14 -	Intake manifold flap motor -V157-

q	With Intake manifold flap potentiometer -G336-

q	Location → Fig.

15 -	Exhaust gas recirculation cooler changeover valve -N345-

q	Location → Fig.

16 -	Pump for exhaust gas recirculation cooler -V400-

q	Installation location Pump for exhaust gas recirculation cooler -V400- → Fig.

17 -	Throttle valve control mechanism -J338-

q	With throttle valve potentiometer -G69-

q	Location → Fig.

q	Intake manifold and accessory parts: Exploded view → Chapter

q	removing and fitting → Chapter

18 -	Charge air pressure sender -G31-

q	Combined with intake air temperature sender -G42-

q	Location → Fig.

q	removing and fitting → Chapter

19 -	Glow plugs

q	Location → Fig.

q	Glow plug 1 -Q10-

q	Glow plug 2 -Q11-

q	Glow plug 3 -Q12-

q	Glow plug 4 -Q13-

q	removing and fitting → Chapter

20 -	Connection for fuel supply pipe from the fuel filter

q	Location → Fig.

21 -	Connection for the fuel return line to the fuel filter

q	Location → Fig.

22 -	High-pressure fuel pump with fuel metering valve -N290-

q	Location → Fig.

q	Do not open fuel metering valve -N290-

q	After renewing, first fuel filling „MUST“ be performed (it is important not to allow pump to run while it is still empty) → Chapter

q	removing and fitting → Chapter

23 -	Fuel supply pipe connection (high-pressure pipe) to the fuel distributor

q	Location → Fig.

24 -	Fuel temperature sender -G81- in the fuel supply line

q	Location → Fig.

25 -	Radiator outlet coolant temperature sender -G83-

q	Location → Fig.

q	removing and fitting → Chapter

26 -	Fuel pressure sender -G247-

q	Location → Fig.

q	removing and fitting → Chapter

q

100 Nm

27 -	Fuel filter:

q	Fuel filter - Components overview → Chapter

q	Removing and installing fuel filter → Chapter.

After replacing the pressure differential sender -G505- and / or the particle filter, a readopting must be carried out again. (The procedure is also described under Guided Functions.) Select the correct vehicle identification in the Guided Fault Finding. –  Press „Go to“ button. –  Press „Function/component selection“. –  Select „Drive train“. –  „01 - Self-diagnosis-compatible systems“ –  „01 - Engine electronics J623“ –  Select „01 - Functions of engine electronics“ –  „01 - Replacing the engine control unit of the particle filter“

Fitting location of the engine control unit -J623- (Altea - Altea XL - Leon)

Fitting locations 1 -  Fuel pressure sender -G247- 2 -  Glow plug 1 -Q10- 3 -  Glow plug 2 -Q11- 4 -  Glow plug 3 -Q12- 5 -  Glow plug 4 -Q13- 6 -  Fuel pressure regulating valve -N276- 7 -  Exhaust gas recirculation cooler changeover valve -N345- 8 -  Throttle valve control mechanism -J338- 9 -  Connection for fuel supply pipe from the fuel filter 10 -  Connection for the fuel return line to the fuel filter 11 -  Fuel metering valve -N290- 12 -  Fuel supply pipe connection (high-pressure pipe) to the fuel distributor 13 -  Fuel temperature sensor -G81-

Pump for exhaust gas recirculation cooler -V400-

Radiator outlet coolant temperature sender -G83-

Charge air pressure sender -G31- with intake air temperature sender -G42--1-

Hall sender -G40-

Fitting locations 1 -  Differential pressure sender -G505- 2 -  Fuel pressure sender -G247-

Engine speed sender -G28--1-

Components at front of engine 1 -  Electrical connector for Hall sender -G40- 2 -  Exhaust gas recirculation cooler changeover valve -N345- 3 -  Intake manifold flap motor -V157-

Components on engine 1 -  Differential pressure sender -G505- 2 -  Exhaust gas temperature sender 3 -G495- 3 -  Lambda probe -G39- 4 -  Position sender for charge pressure positioner -G581- 5 -  Injectors (N30 to N33) 6 -  Glow plugs (Q10 to Q13) 7 -  Fuel pressure sender -G247-

Fitting locations and connectors 1 -  Electrical connector for charge pressure control solenoid valve -N75- 2 -  Electrical connector for exhaust gas temperature sender 4 -G648- 3 -  Electrical connector for exhaust gas temperature sender 1 -G235- 4 -  Electrical connector for Lambda probe -G39- 5 -  Electrical connector for exhaust gas temperature sender 3 -G495-

Coolant temperature sender -G62--1-

Components at rear of engine 1 -  Lambda probe -G39- 2 -  Exhaust gas temperature sender 1 -G235- to exhaust gas turbocharger 3 -  Exhaust gas temperature sender 4 -G648- 4 -  Vacuum unit for exhaust gas recirculation cooling 5 -  Exhaust gas recirculation valve -N18- and exhaust gas recirculation potentiometer -G212- 6 -  Electrical connector of the exhaust gas recirculation valve -N18- with exhaust gas recirculation potentiometer -G212-