Sign | Probable cause | Method of elimination |
| Noise or vibration when braking | The caliper or brake shield is installed incorrectly | Install the caliper or brake shield correctly |
| The caliper or brake shield is not securely fastened | Tighten the caliper or brake shield mounting bolts | |
| Unevenly worn or cracked brake drum or disc | Replace the brake drum or disc | |
| Foreign objects in the brake drum | Clean the brake mechanism | |
| The contact surface of the brake shoe is jammed or damaged | Replace the brake pads | |
| Excessive clearance between the caliper and brake pads | Adjust the gap | |
| Uneven brake pad contact | Replace the brake pads | |
| Lack of lubrication in the moving elements of the brake mechanisms | Lubricate the moving parts of the brake mechanisms | |
| Suspension elements are not tightened | Tighten the suspension components | |
| When braking, the car pulls to one side | Different tire pressure on right and left | Check and adjust tire pressure |
| The front wheel alignment angles are incorrect | Adjust the front wheel alignment angles | |
| Uneven brake pad contact | Replace the brake pads | |
| Grease got on the brake pads | Replace the brake pads | |
| Warping or uneven wear of the brake drum | Replace the brake drum | |
| Incorrect installation of the wheel brake cylinder | Install the wheel brake cylinder correctly | |
| Malfunction of automatic brake shoe clearance adjustment | Adjust the automatic brake shoe clearance adjustment mechanism | |
| Low braking force | Low brake fluid level | Top up the brake fluid |
| Air in the brake system | Bleed the brake system | |
| Malfunction of the brake booster | Check the functionality of the brake booster | |
| Uneven brake pad contact | Replace the brake pads | |
| Grease got on the brake pads | Replace the brake pads | |
| Malfunction of automatic brake shoe clearance adjustment | Adjust the automatic brake shoe clearance adjustment mechanism | |
| The brake disc is overheated | Cool the brake disc | |
| The brake system pipe is clogged | Clean or replace the brake hose | |
| Malfunction of the pressure regulator | Replace the pressure regulator | |
| Increased brake pedal travel | Uneven brake pad contact | Bleed the brake system |
| Brake fluid leaks | Eliminate brake fluid leaks | |
| Malfunction of automatic brake shoe clearance adjustment | Adjust the automatic brake shoe clearance adjustment mechanism | |
| Excessive clearance between the brake booster pushrod and the brake master cylinder | Adjust the clearance between the brake booster pushrod and the brake master cylinder | |
| Brake drag | Incomplete release of the parking brake | Adjust the parking brake |
| Incorrect parking brake adjustment | Adjust the parking brake | |
| The brake pedal return spring is worn out | Replace the brake pedal return spring | |
| The return channel of the master brake cylinder is clogged | Clean the master cylinder passages | |
| The rear brake shoe tension spring is broken | Replace the spring | |
| Lack of lubrication in the moving elements of the brake mechanisms | Lubricate the moving parts of the brake mechanisms | |
| The master cylinder check valve or piston return spring is faulty | Replace the check valve or spring | |
| Unreliable braking of the car with the parking brake | Excessive clearance between the brake booster pushrod and the brake master cylinder | Adjust the clearance between the brake booster pushrod and the brake master cylinder |
| The rear drum brake shoes are worn out | Replace the brake pads | |
| Grease got on the brake pads | Replace the brake pads | |
| Parking brake cable stuck | Adjust the operation of the parking brake cable | |
| Malfunction of automatic brake shoe clearance adjustment | Adjust the automatic brake shoe clearance adjustment mechanism | |
| Excessive travel of the parking brake lever | Adjust the parking brake lever stroke or check the parking brake cable routing |
The material is reprinted from another resource HYUNDAIBOOK