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Home >> Mazda >> 2016 >> CX-9 Signature >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System >> Electric Variable Valve Timing Motor/Driver Removal/Installation >> No. 3 Engine Mount Installation Note

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: Identifying Engine Front Cover Stud Bolts
    G10946349Courtesy 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: Identifying Alignment Marks On Body Side And Engine Mount
      G10946350Courtesy 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: Identifying Good And Bad Alignment Marks On Engine Mount
      G10946351Courtesy 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: Engine Mount Installation Bolts Tightening Sequence
    G10946352Courtesy of MAZDA MOTORS CORP.
    TORQUE SPECIFICATIONS

    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: Connecting Ground Cable Clips
    G10946353Courtesy of MAZDA MOTORS CORP.
  6. Connect the clip shown in the figure.
    Fig 6: Connecting Engine Mount Clip
    G10946354Courtesy of MAZDA MOTORS CORP.
  7. Return the cooler hose that was set aside to its original position and tighten the nut.
    Fig 7: Identifying Cooler Hose Nut With Torque Specifications
    G10946355Courtesy 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: Identifying PCM Component Bolt
      G10946356Courtesy of MAZDA MOTORS CORP.
    3. Tighten the PCM component installation bolts in the order shown in the figure.
      Fig 9: PCM Component Bolts Tightening Sequence
      G10946357Courtesy 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: Identifying Wiring Harness Protector Bolt With Torque Specifications
      G10946358Courtesy of MAZDA MOTORS CORP.
  9. Install the ground cable shown in the figure.
    Fig 11: Identifying Ground Cable Bolts With Torque Specifications
    G10946359Courtesy of MAZDA MOTORS CORP.
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