SEAT Workshop Service and Repair Manuals > Leon Mk1 > Power unit | 4 cylinder Injected engine (engine 1.8 l and 2.0 l, timing chain) | Exhaust turbocharger, G-charger | Charge air system | General diagram of an exhaust gas turbocharger supercharger air system (engine codes BZB - CCZB - CDAA)

Checking charge air system for leaks > < General diagram of the exhaust gas turbocharger supercharger air system (engine code BYT)

General diagram of an exhaust gas turbocharger supercharger air system (engine codes BZB - CCZB - CDAA)

General diagram of an exhaust gas turbocharger supercharger air system (engine codes BZB - CCZB - CDAA)

1 -	Brake servo unit

2 -	Retaining valve

3 -	Manual vacuum pump

4 -	Air mass meter -G70-

5 -	Air filter

6 -	Pressure limiting valve

q	For crankcase ventilation.

7 -	Variable intake manifold change-over valve

8 -	Vacuum unit for intake manifold changeover function

9 -	Double non-return valve

q	Checking → Chapter

10 -	Charge air cooler

11 -	Throttle valve control mechanism -J338-

12 -	Activated charcoal filter solenoid valve 1 -N80-

13 -	To activated charcoal filter.

14 -	Intake manifold

15 -	Retaining valve

16 -	Vacuum unit for charge pressure control valve

17 -	Charge pressure control solenoid valve -N75-

18 -	Turbocharger air recirculation valve -N249-

19 -	Turbocharger

Power unit
4 cylinder Injected engine (engine 1.8 l and 2.0 l, timing chain)
Exhaust turbocharger, G-charger / Charge air system
General diagram of an exhaust gas turbocharger supercharger air system (engine codes BZB - CCZB - CDAA)

Checking charge air system for leaks > < General diagram of the exhaust gas turbocharger supercharger air system (engine code BYT)