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Home >> Mazda >> 2021 >> CX-9 Signature >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System >> Timing Chain Removal/Installation >> No. 3 Engine Mount Installation Note
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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.
    G11436860Courtesy 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.
      G11436861Courtesy 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.
      G11436862Courtesy 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 as shown in the figure.
    Fig 1: No. 3 Engine Mount, Bolts And Nuts Tightening Sequence
    G11436863Courtesy of MAZDA MOTORS CORP.

    Tightening torque 

    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 SST.
  5. Return the wiring harness bracket to its original position.
  6. Install the bolts and clip shown in the figure.
    Fig 2: Wiring Harness Bracket, Clip And Bolts With Torque Specification
    G11436864Courtesy of MAZDA MOTORS CORP.
  7. Connect the clip shown in the figure.
    G11436809Courtesy of MAZDA MOTORS CORP.
  8. Install the ground cable shown in the figure.
    Fig 3: No. 3 Engine Mount, Ground Cable And Bolt With Torque Specification
    G12244165Courtesy of MAZDA MOTORS CORP.
  9. Return the cooler hose that was set aside to its original position and tighten the nut.
    Fig 4: Cooler Hose Nut With Torque Specification
    G11436866Courtesy of MAZDA MOTORS CORP.
  10. 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.
      G11436867Courtesy of MAZDA MOTORS CORP.
    3. Tighten the PCM component installation bolts in the order shown in the figure.
      Fig 5: PCM Component Bolts Tightening Sequence
      G11436868Courtesy 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 6: PCM Component, Wiring Harness Protector, Connector And Bolt With Torque Specification
      G11436869Courtesy of MAZDA MOTORS CORP.
  11. Install the ground cable shown in the figure.
    Fig 7: PCM Component, Ground Cable, Clip And Bolt With Torque Specification
    G11436870Courtesy of MAZDA MOTORS CORP.
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