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Home >> Mazda >> 2017 >> 6 Touring, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Control System - Full Auto Air Conditioner System) >> Magnetic Clutch Disassembly/Assembly (Auto A/C) >> Bolt Removal/Installation Note

Bolt Removal/Installation Note

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.
  1. When removing or installing the bolt, lock the A/C compressor pulley against rotation using the following procedure.
    CAUTION:
    • When connecting the positive battery cable to the magnetic clutch connector, use a cable with a female terminal of the correct size. Otherwise, load will be applied to the terminal, resulting in deformation or damage, and poor contact. In addition, the positive battery cable could disconnect from the connector resulting in a short circuit.
    1. Apply battery positive voltage to the magnetic clutch terminal and connect the A/C compressor body to the ground.
      Fig 1: Applying Battery Positive Voltage To Magnetic Clutch Terminal
      G09786915Courtesy of MAZDA MOTORS CORP.
    2. Wrap the drive belt, which is no longer of use, tightly around the A/C compressor pulley.
    3. Hold the drive belt in place with pliers.
    4. Remove/installation the bolt.

      Tightening torque 

      10-15 N.m {102 -152 kgf.cm, 89 in.lbf} 

  2. When Installing a new A/C compressor body, replace the recommended bolt.
    Fig 2: Rotating A/C Compressor Pulley Bolt
    G09786916Courtesy of MAZDA MOTORS CORP.


  1. When removing or installing the bolt, lock the A/C compressor pulley against rotation using the following procedure.
    1. Connect the M-MDS to the DLC-2.
    2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.
      1. Select "DataLogger".
      2. Select "Modules".
      3. Select "PCM".
      4. Select "ACCS".
    3. Turn the A/C relay on using the "ACCS" simulation function.
  2. Secure the crankshaft pulley.
    NOTE:
    • If the crankshaft pulley is rotated with the magnetic clutch turned on, the magnetic clutch turns off. If the bolt is rotated, fix it so that the crankshaft pulley does not rotate.
    Fig 1: Securing Crankshaft Pulley
    G09786920Courtesy of MAZDA MOTORS CORP.
  3. Remove the bolt with the pressure plate secured.
    Fig 2: Pressure Plate With Bolt With Torque Specifications
    G09786921Courtesy of MAZDA MOTORS CORP.
    NOTE:
    • When turning the bolt, if the pulley slips with little friction on the drive belt and A/C compressor pulley, attach a wrench to the hexagon of the drive belt auto tensioner, slowly turn the wrench in the direction shown in the figure, and increase the tension on the drive belt.
  4. Turn the A/C relay off using the "ACCS" simulation function.
    Fig 3: Turning Drive Belt Auto Tensioner Bolt
    G09786922Courtesy of MAZDA MOTORS CORP.