6. DIAGNOSIS SPONGY BRAKE PEDAL BRAKE ROUGH OR CHATTER ON APPLICATION EXCESSIVE BRAKE PEDAL EFFORT (HARD PEDAL) BRAKE NOISE SR.NO. CAUSES REMEDY 1 Air in hydraulic system Bleed the system and top up 2 Soft or weak hose Check and Replace 3 Poor quality brake fluid Flush the system and refill with recommended grade of brake fluid 4 Low brake fluid level Top up the brake fluid & bleed the system. 5 Pedal return spring came out / broken. Check and replace. 6 One of both primary seals damaged in TMC. Check and replace TMC. SR.NO. CAUSES REMEDY 1 Excessive lateral run out in disc or parallelism Repair if possible or replace the disc not within specification 2 Seized caliper pistons Overhaul calipers 3 Broken pad slippers Replace 4 Distorted steering knuckle Replace knuckle 5 Caliper bolt loosened. Tighten the bolt to the specified torque SR.NO. CAUSES REMEDY 1 Brake pad soiled with brake fluid, oil or grease Replace 2 Brake pad worn below Recommended thickness Replace 3 Mal-functioning of Servo Identify the trouble in Servo and rectify 4 Partial system failure (in tanden master cylinder) Check both primary and secondary circuits (in tandem master cylinder) and rectify 5 Piston in calipers stuck or sluggish Remove caliper and overhaul 6 Fading brake due to non recommended grade of brake pads Replace with approved grade of brake 7 Kinked, dented or clogged bundy pipes hoses Identify and Replace 8 Binding pedal linkage Lubricate and free up the system BRAKE (LR) 8
RkJQdWJsaXNoZXIy MTIwNTUz