Bolt removal/installation note

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

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 "Data Logger".
  2. Select "Modules".
  3. Select "PCM".
  4. Select "ACCS".
3. Turn the A/C relay on using the "ACCS" simulation function.
Secure the crankshaft pulley.

Fig 1: Securing Crankshaft Pulley
Courtesy of MAZDA MOTORS CORP.
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.
Remove the bolt with the pressure plate secured.

Fig 2: Removing Pressure Plate With Bolt
Courtesy of MAZDA MOTORS CORP.

Fig 3: Removing Drive Belt Tensioner
Courtesy 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.
Turn the A/C relay off using the "ACCS" simulation function.