>> B << ETJ Boot Band (Small)/ETJ Boot Band (Large) Tightening
WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
Adjust the distance between the boot bands to the standard value to adjust the air volume inside the ETJ boot to the specified value, then be sure to tighten the ETJ boot band (large) and ETJ boot band (small).
Standard value (A): 75 ± 3 mm (3.0 ± 0.1 inch)