Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSAAB20039-3 CONVERTIBLE (9400) L4-2.0L TURBO (2.0 HOT)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSDESCRIPTION AND OPERATIONMAIN COMPONENTSSYSTEM DIAGRAM - INTAKE, TURBO, EXHAUST
2003 Saab 9-3 Convertible (9400) L4-2.0L Turbo (2.0 HOT)
System Diagram - Intake, Turbo, Exhaust
2003 Saab 9-3 Convertible (9400) L4-2.0L Turbo (2.0 HOT)SECTION System Diagram - Intake, Turbo, Exhaust
Turbo Induction Function Diagram, Exhaust, 4-cyl.
1. Check valve
2. Air cleaner filter element
3. Mass air flow sensor
4. Turbocharger
5. Charge air cooler
6. Bypass valve
7. Solenoid valve
8. Throttle body
9. Charge air absolute pressure sensor/Intake air temperature sensor
10. Intake manifold absolute pressure sensor
11. Engine
12. Crankcase ventilation oil trap
13. Check valves
14. EVAP canister purge valve
15. EVAP canister
16. Wastegate
17. Charge air regulator
18. Charge air control valve
19. Oxygen sensors
20. Front catalytic converter
21. Main catalytic converter
22. Front silencer
23. Rear silencer
24. Brake vacuum booster
25. Brake servo
26. Check valve
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.