Subaru WRX & WRX STI Manuals 2018 WRX & WRX STI Owner’s Manual | Page 495

Maintenance and service/Replacement of brake pad and lining CAUTION . It is recommended that you dis- connect the vehicle battery be- fore replacing the brake pad. However, it is dangerous to dis- connect the vehicle battery. We recommend that you have your SUBARU dealer replace the brake pad. . If you continue to drive despite the scraping noise from the audi- ble brake pad wear indicator, it will result in the need for costly brake rotor repair or replace- ment. & Breaking-in of new brake pads (models with electronic parking brake system) When replacing the brake pad, use only genuine SUBARU parts. After replace- ment, break in the new parts as follows. ! Brake pad While maintaining a speed of 30 to 40 mph (50 to 65 km/h), step on the brake pedal lightly. Repeat this five or more times. Also, apply and release the electro- nic parking brake five or more times. & Breaking-in of new brake pads and linings (models without electronic parking brake system) When replacing the brake pad or lining, use only genuine SUBARU parts. After replacement, break in the new parts as follows. ! Brake pad and lining While maintaining a speed of 30 to 40 mph (50 to 65 km/h), step on the brake pedal lightly. Repeat this five or more times. ! Parking brake lining 1. Drive the vehicle at a speed of approximately 22 mph (35 km/h). 2. With the parking brake release button pushed in, pull the parking brake lever SLOWLY and GENTLY (pulling with a force of approximately 33.7 lbf [150 N, 15.3 kgf]). 3. Drive the vehicle for approximately 220 yards (200 meters) in this condition. 4. Wait 5 to 10 minutes for the parking brake to cool down. Repeat this proce- dure. 5. Check the parking brake stroke. If the parking brake stroke is out of the specified range, adjust it by turning the adjusting nut located on the parking brake lever. 11-29 Parking brake stroke: 7 – 8 notches / 45 lbf (200 N, 20.4 kgf) WARNING Select a safe location and situation for break-in driving. CAUTION Pulling the parking brake lever too forcefully may cause the rear wheels to lock. To avoid this, be certain to pull the lever up slowly and gently.