SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | 4 cylinder TDI Engine, 2.0 l, 4 V with injector pump, mechanics | Exhaust turbocharger, G-charger | Supercharge system with turbocharger: repairs | Connection scheme for the adjustment of the supercharger pressure

Connection scheme for the adjustment of the supercharger pressure - vehicles with engine codes AZV, BKD

1 -	Mechanical exhaust gas recirculation valve:

2 -	Vacuum tank

3 -	To the vacuum box for supercharger pressure regulation

4 -	To the vacuum tank for the exhaust gas recirculation radiator switch

5 -	Solenoid valve block

q	With exhaust gas recirculation valve 1 -N18-

q	With solenoid valve for the supercharger pressure limitation -N75-

q	With Exhaust gas recirculation radiator change over valve -N345-

q	Connection schema → Fig.

6 -	Vacuum supply tube

q	From tandem pump to the solenoid valve block

7 -	Tandem pump:

8 -	Ventilation hose

q	Goes to the air filter

Connection schema for the solenoid valve block

P1 -	Vacuum supply conduit from the tandem pump

P2 -	To exhaust gas recirculation valve

P3 -	To the vacuum tank for the exhaust gas recirculation radiator switch

P4 -	Breather hose to air filter

P5 -	To the reserve vacuum tank

P6 -	To the vacuum box for supercharger pressure regulation

Note

The vacuum connection marked with an -arrow- is not used and is plugged into the connection hood.

SEAT Workshop Service and Repair Manuals