Vacuum Diagrams: Introduction

This article contains underhood views of vacuum hose routing. Use these vacuum diagrams during the visual inspection in BASIC DIAGNOSTIC PROCEDURES article. This will assist in identifying improperly routed vacuum hoses which cause driveability and/or computer-indicated malfunctions.

Fig 1: ORVR System (Forester - 1 Of 2)

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Fig 2: ORVR System (Forester - 2 Of 2)

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Fig 3: ORVR System (Impreza - 1 Of 2)

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Fig 4: ORVR System (Impreza - 2 Of 2)

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Fig 5: ORVR System (Legacy & Outback 2.5L - 1 Of 2)

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Fig 6: ORVR System (Legacy & Outback 2.5L - 2 Of 2)

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Fig 7: ORVR System (Outback 3.0L - 1 Of 2)

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Fig 8: ORVR System (Outback 3.0L - 2 Of 2)

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Fig 9: Vacuum Diagram (Forester, Legacy & Outback 2.5L)

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Fig 10: Vacuum Diagram (Impreza)

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Fig 11: Vacuum Diagram (Outback 3.0L)

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