Inspection Before Removal

Rotate the dual-mass flywheel or attempt to move it up and down, and left and right to verify that the center of the dual-mass flywheel does not move.
- If there is any movement as indicated by the arrows in the figure, replace the dual-mass flywheel.
  
  Fig 1: Removing Dual-Mass Flywheel
  Courtesy of MAZDA MOTORS CORP.
Verify that the secondary mass does not rotate by 15 teeth or more.
- If it rotates by 15 teeth or more, replace the dual-mass flywheel.
  
  Fig 2: Rotating Dual-Mass Flywheel
  Courtesy of MAZDA MOTORS CORP.
Measure the amount of guide pin projection of the dual-mass flywheel.
- If it exceeds the maximum amount, replace the dual-mass flywheel.
Dual-mass flywheel guide pin projection maximum amount 11.0-12.0 mm {0.434-0.472 in}

Fig 3: Measuring Amount Of Guide Pin Projection Of Dual-Mass Flywheel
Courtesy of MAZDA MOTORS CORP.
Using a dial indicator, measure the dual-mass flywheel runout.
- If it exceeds the maximum runout, replace the dual-mass flywheel.
Dual-mass flywheel maximum runout 1.5 mm {0.059 in}

Fig 4: Measuring Dual-Mass Flywheel Runout
Courtesy of MAZDA MOTORS CORP.