Vacuum Routing Diagrams: Mazda 3 2004-2009

Technical Reference

Member-uploaded diagrams & documents for this generation. AI-classified; community-verified where badged.

Vacuum Routing

• Oil Catch Can & Check Valve Routing Diagram - PCV Dirty Gas Flow Sketch
  This is a simple hand-drawn diagram (created in a basic paint program) illustrating a PCV/crankcase ventilation routing concept with an oil catch can (OCC) and check valves. The diagram shows three boxes: 'IM' (intake…
• Oil Catch Can PCV Routing Diagram - Block to Can to Intake Manifold Setup
  This is a simple hand-drawn schematic diagram showing how to plumb an oil catch can into a vehicle's PCV (positive crankcase ventilation) system. The diagram depicts four elements: the engine block, the intake manifold…