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Home >> Mazda >> 2005 >> B4000 SE, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 613 (Engine Mechanical [Intake-Air System 2.3L)) >> Intake Manifold Removal/Installation - 2.3L >> Removal

Intake Manifold Removal/Installation - 2.3L: Removal

WARNING: This page is about a different car, the 2005 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the engine cooling system. See ENGINE COOLANT REPLACEMENT - 2.3L .
    Fig 1: Removing Accelerator Control Splash Shield
    G03728913Courtesy of MAZDA MOTORS CORP.
  2. Remove the accelerator control splash shield.
  3. Remove the air cleaner outlet pipe. See AIR CLEANER OUTLET PIPE REMOVAL/INSTALLATION - 2.3L  .
    Fig 2: Disconnecting Accelerator Cable And Cruise Control Cable From Throttle Linkage
    G03728914Courtesy of MAZDA MOTORS CORP.
  4. Disconnect the throttle cables from the intake manifold.
    1. Disconnect the accelerator cable and cruise control cable (if so equipped) from the throttle linkage.
    2. Disconnect the accelerator cable and cruise control cable (if so equipped) from the mounting bracket.
      Fig 3: Disconnecting Throttle Position (TP) Sensor Electrical Connector
      G03728915Courtesy of MAZDA MOTORS CORP.
  5. Disconnect the throttle position (TP) sensor electrical connector.
    Fig 4: Disconnecting Manifold Absolute Pressure (MAP) Sensor Electrical Connector
    G03728916Courtesy of MAZDA MOTORS CORP.
  6. Disconnect the manifold absolute pressure (MAP) sensor electrical connector.
    Fig 5: Disconnecting Vacuum Hose And Idle Air Control (IAC) Valve Electrical Connector
    G03728917Courtesy of MAZDA MOTORS CORP.
  7. Disconnect the vacuum hose and the idle air control (IAC) valve electrical connector.
    Fig 6: Disconnecting Engine Vacuum Harness, Brake Booster Hose And Crankcase Breather Hose
    G03728918Courtesy of MAZDA MOTORS CORP.
  8. Disconnect the engine vacuum harness, brake booster hose and the crankcase breather hose. Disconnect the coolant hoses.
    Fig 7: Disconnecting Engine Wiring Harness Pin-Type Retainers From Intake Manifold
    G03728919Courtesy of MAZDA MOTORS CORP.
  9. Disconnect two engine wiring harness pin-type retainers from the intake manifold.
    Fig 8: Disconnecting Pin-Type Retainer From Rear Of Intake Manifold
    G03728920Courtesy of MAZDA MOTORS CORP.
  10. Disconnect the pin-type retainer from the rear of the intake manifold.
    Fig 9: Removing Exhaust Gas Recirculation (EGR) Tube Bracket Bolt
    G03728921Courtesy of MAZDA MOTORS CORP.
  11. Remove the exhaust gas recirculation (EGR) tube bracket bolt.
    Fig 10: Disconnecting Fuel Hose From Clip
    G03728922Courtesy of MAZDA MOTORS CORP.
  12. Disconnect the fuel hose from the clip.
    Fig 11: Removing Bolts From EGR Tube Flange
    G03728923Courtesy of MAZDA MOTORS CORP.
  13. Remove the bolts from the EGR tube flange.
    Fig 12: Removing 42-Pin Electrical Connector From Bracket And Disconnecting Vapor Purge Hose
    G03728924Courtesy of MAZDA MOTORS CORP.
  14. Detach the 42-pin electrical connector from the bracket and disconnect the vapor purge hose.
    Fig 13: Disconnecting Engine Knock Sensor (KS) Electrical Connector
    G03728925Courtesy of MAZDA MOTORS CORP.
  15. Disconnect the engine knock sensor (KS) electrical connector and disconnect the connector from the intake manifold.
  16. Remove the wiring harness push pin from the bottom of the intake manifold.
    Fig 14: Removing Bracket Bolts
    G03728926Courtesy of MAZDA MOTORS CORP.
  17. Remove the bracket.
  18. Disconnect fuel supply tube from the manifold. See FUEL INJECTION SUPPLY MANIFOLD AND FUEL INJECTOR - 2.3L REMOVAL/INSTALLATION .
    Fig 15: Removing Intake Manifold
    G03728927Courtesy of MAZDA MOTORS CORP.
    NOTE:
    • Engine removed for clarity.
  19. Remove the five bolts and the intake manifold.
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