Impreza L Sedan F4-2.2L SOHC (1997)
Brake Rotor/Disc: Testing and Inspection
ON-CAR SERVICE
1. Install disc rotor by tightening the five wheel nuts.
2. Set a dial gauge on the disc rotor. Turn disc rotor to check runout.
NOTE: Make sure that dial gauge is set 5 mm (0.20 inch) inward of rotor outer perimeter.
Disc rotor runout limit: 0.075 mm (0.0030 inch)
3. Measure disc rotor thickness.
NOTE: Make sure that micrometer is set 5 mm (0.20 inch) inward of rotor outer perimeter.