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Engine Removal/Installation: Notes

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
  • Fuel vapor is hazardous. It can very easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
  • Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete the "Fuel Line Safety Procedure". (See FUEL LINE SAFETY PROCEDURE .)
NOTE:
  • Perform the engine and transaxle component removal/installation from below the vehicle.
  1. Remove the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
  2. Remove the air hose and air cleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [LF] .) (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [L3] .)
  3. Remove the battery cover, battery duct, battery clamp, battery and battery tray.
  4. Disconnect the fuel hose. (See QUICK RELEASE CONNECTOR (FUEL SYSTEM) REMOVAL/INSTALLATION .)
  5. Remove the following parts:
    1. Accelerator cable and bracket.
    2. Front wheels and tires. (See GENERAL PROCEDURES (SUSPENSION) .)
    3. Under cover and splash shields.
    4. A/C drive belt. (See DRIVE BELT REPLACEMENT .)
      5. NOTE:
      • Secure the A/C compressor using wire or rope so that it is out of the way.
    5. A/C compressor with the pipes still connected.
  6. Drain the transaxle oil (MTX) or ATF (ATX). (See TRANSAXLE OIL REPLACEMENT .) (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT .)
  7. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
  8. Disconnect the brake vacuum hose.
  9. Remove the following parts:
    1. Member. (See EXHAUST SYSTEM REMOVAL/INSTALLATION .)
    2. Front crossmember, front stabilizer, lower arm, steering gear and No. 1 engine mount rubber component. (See STEERING GEAR AND LINKAGE REMOVAL/INSTALLATION .)
    3. Drive shafts. (See AXLE SHAFT .)
    4. Coolant reserve tank with the hose still connected.
    5. Cooling fan component. (See RADIATOR REMOVAL/INSTALLATION .)
    6. ATF hose, selector cable and wiring harness (ATX). (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION .)
    7. Shift cable (MTX). (See MANUAL TRANSAXLE REMOVAL/INSTALLATION .)
    8. Clutch release cylinder with the pipe still connected (MTX). (See CLUTCH RELEASE CYLINDER REMOVAL/INSTALLATION .)
  10. Disconnect the heater hose.
  11. Disconnect the upper and lower radiator hose.
  12. Disconnect the main silencer. (See EXHAUST SYSTEM REMOVAL/INSTALLATION .)
  13. Remove in the order indicated in the figure.
    Fig 1: Engine With Torque Specifications
    G00973782Courtesy of MAZDA MOTORS CORP.
  14. Install in the reverse order of removal.
    CAUTION:
  15. Start the engine. And inspect and adjust them if necessary.
  16. Inspect the following and adjust them if necessary:
    • Front wheel alignment. (See FRONT WHEEL ALIGNMENT .)
    • Puller and belt for runout and contact.
    • Leakage of engine oil, engine coolant, ATF, transaxle oil, and fuel.
    • Ignition timing, idle speed, and amount of CO, HC. (See ENGINE TUNE-UP .)
    • Engine-driven accessories operation.
    NOTE:
    • If the engine is overhauled and installed to the vehicle, perform the road test and verify that there is no abnormality.
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