2004 Saab 9-3 Linear, AutomaticFACTORY OEM SERVICE PROCEDURE

Main components

  1. Control module, Trionic T8 (589)
    Fig 1: Illustration For Step 1-16
    G03708702Courtesy of SAAB-SCANIA OF AMERICA, INC.
  2. Generator (2)
  3. Ignition lock (20)
  4. Contact, brake light (29)
  5. Engine oil pressure sensor (44)
  6. Fuel level sensor (46)

    Engine, fuel pump (323)

  7. Relay, fuel pump (102)
  8. Main relay, engine control system (229)
  9. Relay, oxygen sensor preheating (443)
  10. Electrical unit, petrol engine (727)
  11. Contact, clutch, cruise control (133)
  12. Contact, brake, cruise control (134)
  13. Boost pressure control valve (179a)
  14. Coolant temperature sensor (202)
  15. Mass air flow sensor (205)
  16. Injector cyl. 1-4 (206a-c)
  17. Engine oil level sensor (243)
    Fig 2: Illustration For Step 17-28
    G03708703Courtesy of SAAB-SCANIA OF AMERICA, INC.
  18. Ignition coil with integral power module, cyl. 1-4 (320a-c)
  19. EVAP canister purge valve (321)
  20. Relay, A/C compressor (156)
  21. Relay, starting relay (517)
  22. Camshaft position sensor (345)
  23. Throttle position sensor (379)
  24. Intake manifold sensor (688)
  25. Manifold absolute pressure sensor (431)
  26. Diagnostic socket, 16-pin, CARB (445)
  27. Atmospheric pressure sensor (539)
  28. Manifold absolute pressure sensor (585)
    Fig 3: Illustration For Step 29-37
    G03708704Courtesy of SAAB-SCANIA OF AMERICA, INC.
  29. Solenoid valve, shut-off EVAP (588)
  30. Preheated oxygen sensor, front (592)
  31. Preheated oxygen sensor, rear (593)
  32. Throttle body actuator unit (604)
  33. Solenoid valve, turbo by-pass (605)
  34. Pressure sensor, A/C (620)
  35. CIM (703)
  36. Pressure sensor, power steering fluid (739)
  37. CDM (740)
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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.