SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | 3-cylinder diesel engine with pump injector unit, mechanics | Exhaust system | Exhaust gas recirculation system

Vacuum hose connection diagram

Solenoid valve box connections

1 -	Air filter/turbo compressor coupling tube

2 -	Vacuum unit on the turbocharger

3 -	Supercharger pressure socket on the exhaust gas turbocharger

4 -	Engine AMF: low pressure actuator (on the intake manifold flap). BNV and BNM engines closed

5 -	Air filter

6 -	Low pressure socket (on the brake servo retention valve)

7 -	Exhaust gas recirculation valve:

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