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Engine Mount Installation Note

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.
    Fig 1: Engine Front Cover Stud Bolts Location
    G09785234Courtesy of MAZDA MOTORS CORP.

    Tightening torque 

    7-13 N.m {72-132 kgf.cm, 62-115 in.lbf}

  2. Tighten the transaxle stud bolts.
    Fig 2: Locating Transaxle Stud Bolts
    G09074311Courtesy of MAZDA MOTORS CORP.

    Tightening torque 

    15-25 N.m {1.6-2.5 kgf.m, 12-18 ft.lbf}

    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.
  3. Secure the engine and transaxle using a commercially available engine lifter.
    Fig 3: Securing Engine And Transaxle Using Engine Lifter
    G09785233Courtesy of MAZDA MOTORS CORP.
  4. Temporarily tighten the No. 3 engine mount installation bolts and nuts using the following procedure:
    1. Temporarily tighten the bolts shown in the figure so that they are centered on the No. 3 engine mount slots.
      Fig 4: Engine Mount Installation Bolts Position
      G09785237Courtesy of MAZDA MOTORS CORP.
    2. Temporarily tighten the nuts shown in the figure so that the stud bolts of the engine front cover are centered on the No. 3 engine mount slots.
    Fig 5: Locating Stud Bolts Of Engine Front Cover
    G09785238Courtesy of MAZDA MOTORS CORP.
    NOTE:
    • 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.
  5. Temporarily tighten the No. 4 engine mount bracket installation bolt and nuts using the following procedure:
    1. Temporarily tighten the bolt shown in the figure.
      Fig 6: Locating Engine Mount Bracket Bolts
      G09074315Courtesy of MAZDA MOTORS CORP.
    2. Temporarily tighten the nuts shown in the figure so that they are centered on the No. 4 engine mount bracket slots.
    Fig 7: Tightening Engine Mount Bracket Bolts
    G09785240Courtesy of MAZDA MOTORS CORP.
    NOTE:
    • 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.
  6. Install the No. 1 engine mount rubber and the front crossmember component as a single unit. (See FRONT CROSSMEMBER REMOVAL/INSTALLATION .)
  7. Temporarily tighten the No. 1 engine mount bracket, No. 1 engine mount rubber and bracket plate.
    Fig 8: Locating Engine Mount Bracket Bolts
    G11547156Courtesy of MAZDA MOTORS CORP.
  8. Tighten the No. 1 engine mount bracket and bracket plate installation bolts in the order shown in the figure.
    Fig 9: Engine Mount Bracket And Bracket Plate Installation Bolts Tightening Sequence
    G11547157Courtesy of MAZDA MOTORS CORP.

    Tightening torque 

    84-98 N.m {8.6-9.9 kgf.m, 62-72 ft.lbf}

  9. Tighten the No. 3 engine mount installation bolts and nuts in the order shown in the figure.
    Fig 10: Engine Mount Installation Bolts And Nuts Tightening Sequence
    G09785243Courtesy of MAZDA MOTORS CORP.

    Tightening torque 

    Installation position Tightening torque
    1 76-95 N.m {7.8-9.6 kgf.m, 57-70 ft.lbf}
    2 82-95 N.m {8.4-9.6 kgf.m, 61-70 ft.lbf}
    3 49-65 N.m {5.0-6.6 kgf.m, 37-47 ft.lbf}
  10. Tighten the No. 4 engine mount bracket installation bolt and nuts in the order shown in the figure.
    Fig 11: Engine Mount Bracket Installation Bolt And Nuts Tightening Sequence
    G09785244Courtesy of MAZDA MOTORS CORP.

    Tightening torque 

    Installation position Tightening torque
    1, 2, 3 92-116 N.m {9.4-11 kgf.m, 68-85 ft.lbf}
    4 81-99 N.m {8.3-10 kgf.m, 60-73 ft.lbf}
  11. Tighten the No. 1 engine mount rubber installation bolts.
    Fig 12: Engine Mount Rubber Installation Bolts Tightening Sequence
    G11547160Courtesy of MAZDA MOTORS CORP.

    Tightening torque 

    Installation position Tightening torque
    No. 1 engine mount bracket side 130-151 N.m {14-15 kgf.m, 96-111 ft.lbf}
    Front crossmember side 130-164 N.m {14-16 kgf.m, 96-120 ft.lbf}
  12. Install the clips shown in the figure. (With i-ELOOP)
    Fig 13: Installing Wiring Harness Clips
    G11550059Courtesy of MAZDA MOTORS CORP.
  13. Connect the generator terminal B cable. (With i-ELOOP) (See GENERATOR REMOVAL/INSTALLATION [i-ELOOP] .)
  14. Install the service plug. (With i-ELOOP) (See SERVICE PLUG DISCONNECTION/CONNECTION [i-ELOOP] .)
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