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Engine Removal/Installation - 3.0L

WARNING: This page is about a different car, the 2005 Mazda B3000. However, it is still accessible from the selected car via links, so may be relevant.
  1. With the vehicle in NEUTRAL, position it on a hoist. See LIFTING .
  2. Drain the engine cooling system. See ENGINE COOLANT REPLACEMENT - 3.0L .
  3. Remove the hood.
  4. Remove the upper intake manifold. See INTAKE MANIFOLD UPPER REMOVAL/INSTALLATION - 3.0L .
  5. Remove the air cleaner outlet tube. See AIR CLEANER OUTLET TUBE REMOVAL/INSTALLATION - 3.0L .
    NOTE:
    • The fan clutch has left-hand threads.
  6. Remove the fan clutch and the fan blade as an assembly. See COOLING FAN AND CLUTCH REMOVAL/INSTALLATION - 3.0L .
    Fig 1: Removing Air Cleaner Outlet Tube
    G03728461Courtesy of MAZDA MOTORS CORP.
  7. Remove the drive belt. See DRIVE BELT REMOVAL/INSTALLATION - 3.0L .
  8. Remove the fan shroud.
    Fig 2: Removing Fan Shroud Bolts - With Torque Specification
    G03728462Courtesy of MAZDA MOTORS CORP.
  9. Remove the radiator. See RADIATOR REMOVAL/INSTALLATION - 3.0L .
  10. Recover the A/C system. See A/C REFRIGERANT SYSTEM TESTS .
  11. Disconnect the A/C manifold and tube assembly. See A/C MANIFOLD AND TUBE ASSEMBLY REMOVAL/INSTALLATION - 3.0L .
    Fig 3: Disconnecting A/C Manifold And Tube Assembly
    G03728463Courtesy of MAZDA MOTORS CORP.
  12. Disconnect the A/C manifold and tube assembly at the accumulator.
    Fig 4: Removing A/C Manifold And Tube Assembly
    G03728464Courtesy of MAZDA MOTORS CORP.
  13. Remove the nut and position the suction/discharge line aside.
    Fig 5: Removing Suction/Discharge Line Nut - With Torque Specification
    G03728465Courtesy of MAZDA MOTORS CORP.
  14. Remove the nut.
    Fig 6: Removing Nut - With Torque Specification
    G03728466Courtesy of MAZDA MOTORS CORP.
  15. Disconnect the A/C compressor wiring.
    Fig 7: Disconnecting A/C Compressor Wiring
    G03728467Courtesy of MAZDA MOTORS CORP.
  16. Remove the bolt and nut.
    Fig 8: Removing Bolt And Nut - With Torque Specification
    G03728468Courtesy of MAZDA MOTORS CORP.
  17. Position A/C compressor and A/C compressor mounting bracket aside as an assembly.
    Fig 9: Removing A/C Compressor And A/C Compressor Mounting Bracket Bolts - With Torque Specification
    G03728469Courtesy of MAZDA MOTORS CORP.
    • Remove the bolts.
    • Set the assembly aside.
  18. Remove the nut and position the ground cable aside.
    Fig 10: Removing Ground Cable - With Torque Specification
    G03728470Courtesy of MAZDA MOTORS CORP.
  19. Relieve the fuel system pressure. See FUEL PRESSURE RELIEF .
  20. Disconnect the fuel lines. See FUEL LINE AND VAPOR LINE QUICK DISCONNECT FITTINGS .
  21. Disconnect the vacuum line.
    Fig 11: Disconnecting Vacuum Line
    G03728471Courtesy of MAZDA MOTORS CORP.
  22. Disconnect the PCM connector.
    Fig 12: Disconnecting PCM Connector - With Torque Specification
    G03728472Courtesy of MAZDA MOTORS CORP.
  23. Remove the nut from the PCM harness.
    Fig 13: Removing Nut From PCM Harness
    G03728473Courtesy of MAZDA MOTORS CORP.
  24. Remove the stud bolt and the PCM ground strap.
    Fig 14: Removing PCM Ground Strap - With Torque Specification
    G03728474Courtesy of MAZDA MOTORS CORP.
  25. Disconnect the generator wiring and position aside.
    Fig 15: Disconnecting Generator Wiring - With Torque Specification
    G03728475Courtesy of MAZDA MOTORS CORP.
  26. Disconnect both front heated oxygen sensors. See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION .
    Fig 16: Disconnecting Front Heated Oxygen Sensors
    G03728476Courtesy of MAZDA MOTORS CORP.
  27. Disconnect the transmission harness connectors.
    Fig 17: Disconnecting Transmission Harness Connectors
    G03728477Courtesy of MAZDA MOTORS CORP.
  28. Disconnect the vacuum line to the vacuum tank reservoir.
    Fig 18: Disconnecting Vacuum Line To Vacuum Tank
    G03728478Courtesy of MAZDA MOTORS CORP.
  29. Disconnect the mass air flow (MAF) sensor.
    Fig 19: Disconnecting Mass Air Flow (MAF) Sensor
    G03728479Courtesy of MAZDA MOTORS CORP.
  30. Raise the vehicle on a hoist. See LIFTING .
  31. Remove the left heated oxygen sensor. See HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION .
    Fig 20: Removing Left Heated Oxygen Sensor
    G03728480Courtesy of MAZDA MOTORS CORP.
  32. Disconnect the dual converter Y pipe from both exhaust manifolds. See EXHAUST MANIFOLD RIGHT HAND REMOVAL/INSTALLATION - 3.0L and EXHAUST MANIFOLD LEFT HAND REMOVAL/INSTALLATION - 3.0L .
  33. Remove the starter motor and the starter grounding stud bolt. See STARTER MOTOR REMOVAL/INSTALLATION - 3.0L .
    NOTE:
    • Mark one stud and the flexplate for installation reference.
  34. Remove the torque converter nuts on automatic transmissions.
    Fig 21: Removing Torque Converter Nuts On Automatic Transmissions - With Torque Specification
    G03728481Courtesy of MAZDA MOTORS CORP.
    • Remove the access plate.
    • Remove the four nuts.
  35. Remove the bolt.
    Fig 22: Removing Bolt - With Torque Specification
    G03728482Courtesy of MAZDA MOTORS CORP.
  36. Remove the eight transmission-to-engine bolts.
    Fig 23: Removing Eight Transmission-To-Engine Bolts - With Torque Specification
    G03728483Courtesy of MAZDA MOTORS CORP.
  37. Lower the vehicle.
  38. Attach engine lifting eyes ST  303-D030 or equivalent.
    Fig 24: Attaching Engine Lifting Eyes
    G03728484Courtesy of MAZDA MOTORS CORP.
  39. Remove the four nuts.
    Fig 25: Removing Nuts - With Torque Specification
    G03728485Courtesy of MAZDA MOTORS CORP.
  40. Support the transmission.
  41. Remove the engine from the vehicle.
  42. To install, reverse the removal procedure.
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