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No. 3 Engine Mount Installation Note

CAUTION:
  • If the No. 3 engine mount is deviated from the original position when installing the No. 3 engine mount, engine noise or vibration could increase. When installing the No. 3 engine mount, align the alignment mark placed during removal and install it to the original position.
NOTE:
  • When replacing the No. 3 engine mount, place a mark at the same position as the one placed before removal.
  • If the No. 3 engine mount nut is loosened, tighten the engine front cover stud bolts because they may have loosened.
  1. Tighten the engine front cover stud bolts.
    Fig 1: Engine Front Cover Stud Bolts
    G11436593Courtesy of MAZDA MOTORS CORP.

    Tightening torque 

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

  2. Temporarily tighten the No. 3 engine mount installation bolts and nuts using the following procedure:
    1. Align the alignment marks on the body side and No. 3 engine mount, and temporarily tighten the bolts shown in the figure.
      Fig 2: No 3 Engine Mount Installation Bolts And Nuts
      G11436594Courtesy of MAZDA MOTORS CORP.
    2. Temporarily tighten the nuts shown in the figure while aligning the alignment marks of the No. 3 engine mount and nuts.
    Fig 3: Aligning Alignment Marks And Nuts
    G11436595Courtesy of MAZDA MOTORS CORP.
    NOTE:
    • If the alignment marks are not aligned, align the alignment marks while slightly moving the engine and temporarily tighten the nuts.
  3. Tighten the No. 3 engine mount installation bolts and nuts in the order shown in the figure.
    Fig 4: No 3 Engine Mount Installation Bolts And Nuts Tightening Sequence
    G11436596Courtesy of MAZDA MOTORS CORP.
    TIGHTENING TORQUE SPECIFICATION

    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}
  4. Remove the engine lifter or garage jack.
  5. Connect the ground cable clips shown in the figure.
    Fig 5: No 3 Engine Mount, Clip And Ground Cable
    G11436587Courtesy of MAZDA MOTORS CORP.
  6. Connect the clip shown in the figure.
    Fig 6: Clip, No 3 Engine Mount And Wiring Harness Bracket
    G11436586Courtesy of MAZDA MOTORS CORP.
  7. Return the cooler hose that was set aside to its original position and tighten the nut.
    Fig 7: Cooler Hose And Nut With Torque Specification
    G11436599Courtesy of MAZDA MOTORS CORP.
  8. Install the PCM component using the following procedure:
    1. Return the PCM component that was set aside to its original position.
    2. Temporarily tighten the bolt shown in the figure.
      Fig 8: PCM Component And Bolt
      G11436600Courtesy of MAZDA MOTORS CORP.
    3. Tighten the PCM component installation bolts in the order shown in the figure.
      Fig 9: PCM Component Installation Bolts Tightening Sequence
      G11436601Courtesy of MAZDA MOTORS CORP.

      Tightening torque 

      9-10 N.m {92-101 kgf.cm, 80-88 in.lbf}

    4. Install the wiring harness protector and connector.
      Fig 10: Wiring Harness Protector, PCM Component And Bolt With Torque Specification
      G11436602Courtesy of MAZDA MOTORS CORP.
  9. Install the ground cable shown in the figure.
    Fig 11: PCM Component, Ground Cable, Clip And Bolt With Torque Specification
    G11436603Courtesy of MAZDA MOTORS CORP.
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