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Engine Disassembly/Assembly: Notes

WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • When the transaxle is installed, do not suspend the engine. Otherwise, the SST installation area of the cylinder head may be damaged due to excess weight. Only suspend the engine after separating the engine and transaxle.
  • Applying excessive force (force of 100 N {10.2 kgf, 22.5 lbf} or more) to the electric variable valve timing motor/driver may cause a malfunction. When servicing, be careful not to apply excessive force to the electric variable valve timing motor/driver using other parts or tools.
  1. To enable to install the SST  , disconnect the clip shown in the figure and set the wiring harness aside.
    Fig 1: Identifying Clip
    G09785246Courtesy of MAZDA MOTORS CORP.
  2. Install the SST  using part number 99794 1025  or an M10 x 1.25,  length 25 mm {0.98 in}  bolt as shown in the figure.

    Engine front side 

    Fig 2: Installing SST
    G09785247Courtesy of MAZDA MOTORS CORP.

    Engine rear side 

    Tightening torque 

    38-51 N.m {3.9-5.2 kgf.m, 29-37 ft.lbf} 

    Fig 3: Identifying Vacuum Pump And Mounting Bolts
    G09785248Courtesy of MAZDA MOTORS CORP.
  3. Engage the hooks of the SST (49 L017 5A0)  to the SST (49 UN30 3050)  .
    Fig 4: Identifying Engage Hooks Of SST
    G09785249Courtesy of MAZDA MOTORS CORP.
  4. To ensure the safety of the work (control engine and transaxle sway), set a hoist as shown in the figure.
    CAUTION:
    • Do not lift up the engine.
    Fig 5: Hanging Up Engine
    G09785250Courtesy of MAZDA MOTORS CORP.
  5. Remove the insulator shown in the figure.
  6. Remove the exhaust system. (See EXHAUST SYSTEM REMOVAL/INSTALLATION .)
  7. Remove the bolts in the order shown in the figure, then remove the exhaust manifold bracket.
    Fig 6: Insulator Mounting Bolts With Torque Specifications
    G09785251Courtesy of MAZDA MOTORS CORP.

    MTX 

    Fig 7: Identifying Exhaust Manifold Mounting Bolts
    G09785252Courtesy of MAZDA MOTORS CORP.

    ATX 

    • When installing, tighten the bolts in the reverse order of removal.

    Tightening torque 

    38-51 N.m {3.9-5.2 kgf.m, 29-37 ft.lbf} 

  8. Remove the bracket No. 1 (drive shaft bracket). (See FRONT DRIVE SHAFT REMOVAL/INSTALLATION .)
  9. Remove the starter. (See STARTER REMOVAL/INSTALLATION .)
  10. Fix the drive plate using the crankshaft pulley lock bolt. (ATX)
  11. Remove the torque converter installation nut from the starter installation hole. (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION .)
    Fig 8: Identifying Exhaust Manifold Bracket Mounting Bolts
    G09785253Courtesy of MAZDA MOTORS CORP.
  12. Disconnect the engine and transaxle, and lower only the engine from the engine lifter. (See MANUAL TRANSAXLE REMOVAL/INSTALLATION (MTX).) (See AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION (ATX).)
  13. Remove the generator. (See GENERATOR REMOVAL/INSTALLATION [SKYACTIV-G 2.5 (WITHOUT I-ELOOP)] .) (See GENERATOR REMOVAL/INSTALLATION [I-ELOOP] .)
  14. Remove the intake-air system. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION .)
  15. Remove the fuel injectors. (See FUEL INJECTOR REMOVAL/INSTALLATION .)
  16. Remove the camshaft position (CMP) sensor. (See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION .)
  17. Remove the vacuum pump. (See VACUUM PUMP REMOVAL/INSTALLATION .)
  18. Remove the high pressure fuel pump and rear housing. (See HIGH PRESSURE FUEL PUMP REMOVAL/INSTALLATION .)
  19. Remove the oil filter. (See OIL FILTER REPLACEMENT .)
  20. Remove the engine oil solenoid valve. (See ENGINE OIL SOLENOID VALVE REMOVAL/INSTALLATION .)
  21. Remove the crankshaft position (CKP) sensor. (See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION .)
  22. Remove the ignition coil/ion sensors. (See IGNITION COIL/ION SENSOR REMOVAL/INSTALLATION .)
  23. Remove the wiring harness bracket shown in the figure.
  24. Remove the emission harness.
  25. Remove the water pump drive belt. (See DRIVE BELT REMOVAL/INSTALLATION .)
  26. Remove the clutch cover and clutch disc. (MTX) (See CLUTCH UNIT REMOVAL/INSTALLATION .)
  27. Remove in the order indicated in the table
  28. Assemble in the reverse order of disassembly.
    Fig 9: Electric Variable Valve Timing Motor With Torque Specifications
    G09785254Courtesy of MAZDA MOTORS CORP.
    Fig 10: Exhaust Manifold Bracket And Mounting Bolts With Torque Specifications
    G09785255Courtesy of MAZDA MOTORS CORP.
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