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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Mechanical System (VIN M)) >> Engine Removal/Installation >> Engine Installation

Engine Installation

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
  • When removing/installing the engine, verify that the engine and transaxle are securely supported. Otherwise, the engine may fall off and cause serious injury or death, and damage to the vehicle.
CAUTION:
  • Slots have been adopted for the No. 3 engine mount and No. 4 engine mount bracket installation holes. Tighten the installation bolts and nuts so that they are centered on the slots. Otherwise, engine noise or vibration could increase.
NOTE:
  • Retighten the engine front cover and transaxle stud bolts when the nuts of No. 3 engine mount and No. 4 engine mount bracket are loosened.
  1. Tighten the engine front cover stud bolts.
    G12188574Courtesy of MAZDA MOTORS CORP.
  2. Measure the projection of the transaxle stud bolts. (MTX)
    • If the projection amount is not within the range, adjust the projection amount of the stud bolt.
    G13556766Courtesy of MAZDA MOTORS CORP.

    Projection A of stud bolt No. 1 

    40.0-42.0 mm {1.58-1.65 in}

    Projection B of stud bolt No. 2 

    30.7-32.7 mm {1.21-1.28 in}

    Projection C of stud bolt No. 3 

    70.7-72.7 mm {2.79-2.86 in}

  3. Tighten the transaxle stud bolts. (ATX)
    G12228366Courtesy of MAZDA MOTORS CORP.
    CAUTION:
    • When supporting the engine and transaxle, insert rubber of appropriate size (approx. 20 mm {0.79 in} thickness) between the engine lifter and the oil pan, transaxle to prevent the deformation of the oil pan and damage of the transaxle.
  4. Secure the engine and transaxle using a commercially available engine lifter.
    G13556768Courtesy of MAZDA MOTORS CORP.
  5. Return the engine and transaxle to their original positions.
  6. Temporarily tighten the No. 3 engine mount installation bolts and nuts using the following procedure:
    1. Temporarily tighten the bolts so that the bolt holes of the body are centered on the No. 3 engine mount slots.
      G13556769Courtesy of MAZDA MOTORS CORP.
    2. Temporarily tighten the nuts so that the stud bolts of the engine front cover are centered on the No. 3 engine mount slots.
      • If the stud bolts are deviated from the center of the slots, align the stud bolts with the center of the slots while slightly moving the engine, and temporarily tighten the installation nuts.
      G13556770Courtesy of MAZDA MOTORS CORP.
  7. Temporarily tighten the No. 4 engine mount rubber installation bolts and nuts using the following procedure:
    1. Temporarily tighten the bolts and nuts shown in the illustration so that they are centered on the No. 4 engine mount rubber slots.
      • If the stud bolts are deviated from the center of the slots, align the stud bolts with the center of the slots while slightly moving the transaxle, and temporarily tighten the installation nuts.

    MTX 

    G13556771Courtesy of MAZDA MOTORS CORP.

    ATX 

    G13556772Courtesy of MAZDA MOTORS CORP.
  8. Temporarily tighten the No. 4 engine mount bracket installation bolts.
  9. Install the No. 1 engine mount rubber and the front crossmember component as a single unit. (See FRONT CROSSMEMBER REMOVAL/INSTALLATION (US) .)
    NOTE:
    • At this stage, only temporarily tighten the No. 1 engine mount rubber, do not tighten it completely.
  10. Tighten the No. 3 engine mount installation bolts and nuts in the order shown in the illustration.
    G13556773Courtesy of MAZDA MOTORS CORP.
  11. Tighten the No. 4 engine mount bracket and rubber installation bolts and nuts in the order shown in the illustration.
    Fig 1: No. 4 Engine Mount Bracket - Rubber, Nuts And Bolts Tightening Sequence
    G13556774Courtesy of MAZDA MOTORS CORP.
  12. Tighten the No. 1 engine mount rubber installation bolts.

    2WD 

    Fig 2: No. 1 Engine Mount Rubber Bolts With Torque Specification (2WD)
    G13556775Courtesy of MAZDA MOTORS CORP.

    AWD 

    Fig 3: No. 1 Engine Mount Rubber Bolts With Torque Specification (AWD)
    G13556776Courtesy of MAZDA MOTORS CORP.
  13. Connect the ground cable shown in the illustration.

    RH 

    Fig 4: No. 3 Engine Mount, Ground Cable And Bolt With Torque Specification (RH)
    G13556777Courtesy of MAZDA MOTORS CORP.

    LH 

    Fig 5: No. 4 Engine Mount, Ground Cable And Bolt With Torque Specification (LH)
    G13556778Courtesy of MAZDA MOTORS CORP.
  14. Install the A/C compressor. (See A/C COMPRESSOR REMOVAL/INSTALLATION [SKYACTIV-G] .)
  15. Install the cooler hose (LO). (See REFRIGERANT LINE REMOVAL/INSTALLATION [SKYACTIV-G] .)
  16. Install the propeller shaft. (AWD) (See PROPELLER SHAFT REMOVAL/INSTALLATION (US) .)
  17. Install the front drive shaft. (See FRONT DRIVE SHAFT REMOVAL/INSTALLATION (US) .)
  18. Install the TWC. (See EXHAUST SYSTEM REMOVAL/INSTALLATION .)
  19. Install the generator drive belt. (See DRIVE BELT REMOVAL/INSTALLATION .)
  20. Connect the lower radiator hose to the radiator.
  21. Connect the lower radiator hose clip.
  22. Install the front wheels and tires. (See WHEEL AND TIRE REMOVAL/INSTALLATION .)
  23. Connect the upper radiator hose to the coolant control valve.
  24. Connect the heater hoses. (See A/C UNIT REMOVAL/INSTALLATION (US) .)
  25. Connect the fuel hose. (See QUICK RELEASE CONNECTOR (FUEL SYSTEM) REMOVAL/INSTALLATION .)
  26. Connect the evaporative hose No. 3. (See PURGE SOLENOID VALVE REMOVAL/INSTALLATION .)
  27. Connect the vacuum hose. (See VACUUM HOSE REMOVAL/INSTALLATION .)
  28. Install the clutch release cylinder. (MTX) (See appropriate service information.)
  29. Connect the control cable. (MTX) (See appropriate service information.)
  30. Connect the selector cable. (ATX) (See SELECTOR CABLE REMOVAL/INSTALLATION (US) .)
  31. Install the battery tray and PCM component and battery. (See BATTERY REMOVAL/INSTALLATION .)
  32. Connect the connector.
    G13556779Courtesy of MAZDA MOTORS CORP.
  33. Install the bolts and nut.
    Fig 6: Wiring Harness, Nut And Bolts With Torque Specification
    G13556780Courtesy of MAZDA MOTORS CORP.
  34. Install the PCM component. (See PCM REMOVAL/INSTALLATION .)
  35. Install the air cleaner, air hose and fresh air duct as a single unit. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  36. Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  37. Refill the transaxle oil (MTX) or ATF (ATX). (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION (EV6A-EL) (US) .)
  38. Refill the transfer oil. (AWD). (See TRANSFER OIL REPLACEMENT [EV6AX-EL] .)
  39. Refill the engine coolant. (See ENGINE COOLANT REPLACEMENT .)
  40. Start the engine, and inspect and adjust the following:
    • Front wheel alignment (See FRONT WHEEL ALIGNMENT (US) .)
    • Leakage of engine oil, engine coolant, ATF (ATX), transaxle oil (MTX), transfer oil (AWD), and fuel.
    • Runout and contact of pulley and belt.
    • Ignition timing, idle speed and idle mixture. (See ENGINE TUNE-UP .)
    • Engine-driven accessories operation.
      NOTE:
      • If the engine is overhauled and assembled to the vehicle, perform a road test to verify that there is no abnormal vibration and noise.
  41. Install the front splash shield. (See SPLASH SHIELD REMOVAL/INSTALLATION .)
  42. Install the front under cover No. 1 and No. 2. (See FRONT UNDER COVER No. 1 REMOVAL/INSTALLATION .) (See FRONT UNDER COVER No. 2 REMOVAL/INSTALLATION .)
  43. Install the plug hole plate. (See PLUG HOLE PLATE REMOVAL/INSTALLATION .)
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