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October 6, 2005 Service bulletin

Active valve control system (AVCS) union screw filter

Subaru technical service bulletin 029705 for 2004 Subaru Forester, 2004 Subaru Impreza and 2004 Subaru Baja.

Bulletin number
029705
Component
Engine and engine cooling
Summary
Active valve control system (avcs) union screw filter. If a rough idle and/or RPM does not increase smoothly there is the possibility that the union screw filter of the active valve control system (avcs) could be damaged affecting the oil control valve. Tt

Owners of these vehicles have filed 45 complaints in the engine category.

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