Index Subaru Subaru Impreza 3 / Impreza WRX / Impreza WRX STI - service repair manual 2008-2014 year
|
|
BR-33 Master Cylinder BRAKE 8. Master Cylinder A: REMOVAL CAUTION: Do not allow brake fluid to come in contact with the painted surface of the vehicle body. If it does, wash off with water and wipe away com- pletely. 1) Drain brake fluid from the reservoir tank com- pletely. 2) Disconnect the harness connector of the fluid level gauge. 3) Remove the brake pipe from the master cylinder. 4) Remove the master cylinder mounting nuts, and carefully remove the master cylinder from the brake booster. B: INSTALLATION 1) Replace the O-ring for the master cylinder with a new part. Be careful not to install the O-ring in the wrong location. 2) Install each part in the reverse order of removal. Master cylinder mounting nut 13 N·m (1.33 kgf-m, 9.6 ft-lb) Piping flare nut 15 N·m (1.53 kgf-m, 11.1 ft-lb) CAUTION: Be sure to use recommended brake fluid. <Ref. to BR-2, SPECIFICATION, General Descrip- 3) Bleed air from the brake system. <Ref. to BR-41, C: REPLACEMENT 1) Remove mud and dirt from the surface of brake master cylinder. 2) Secure the master cylinder in a vise. To avoid damaging the master cylinder, place between aluminum plates or other material when holding with a vise. 3) Remove the pin which secures the master cylin- der and reservoir tank, then remove the reservoir tank and seal. 4) While pushing in the primary piston, remove the C-ring using pliers. 5) While pushing in the primary piston, remove the cylinder pin (1) from the port on the reservoir tank attachment location using a magnet pick-up tool. 6) Extract the primary piston assembly and sec- ondary piston assembly straight out while taking care not to scratch the inner surface of the cylinder. 7) Clean the inside of master cylinder with brake fluid. Check the inside of the cylinder for damage, deformation and wear. Replace the master cylinder as an assembly if faulty. (1) Primary piston BR-00363 (1) (2) (3) BR-00364 BR-00169 BR-00069 (1) |