Vacuum Hose Removal/Installation

2010 Mazda 5 Sport, 2.3 L, StandardSECTION Vacuum Hose Removal/Installation
WARNING: This page is about a different car, the 2008 Mazda 5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the vacuum hose connector from the power brake unit while pressing the tabs of the vacuum hose connector.
    Fig 1: Identifying Vacuum Hose Connector
    G05544945Courtesy of MAZDA MOTORS CORP.
  2. Insert a thin flathead screwdriver at the point indicated by the arrow in the figure, push the ring down and disconnect the vacuum hose from the intake manifold.
  3. Remove the vacuum hose.
  4. Install in the reverse order of removal.
    Fig 2: Removing Vacuum Hose
    G05544946Courtesy of MAZDA MOTORS CORP.
  5. Verify that the vacuum hose is inserted so that the joint contacts the intake manifold ring.
    Fig 3: Removing Vacuum Hose
    G05544947Courtesy of MAZDA MOTORS CORP.
  6. Verify that the vacuum hose is inserted so that the connector contacts the power brake unit flange.
    Fig 4: Identifying Power Brake Unit Flange
    G05544948Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.