Pinpoint test A: noise in the brakes
A1: brake pad inspection
Inspect the condition of the front and rear brake pads. Check the shims for damage. Are the brake pads ok?
Yes - GO to A2.
No - If necessary, CLEAN or INSTALL new brake pads. For more information refer to: Brake pads (206-03 Front disc brake, Removal and installation) / Brake pads (206-04 Rear disc brake, Removal and installation). Check the correct operation of the system.
A2: Inspection of brake discs
Inspect the brake discs for excessive corrosion, wear, or excessive thickness variation. Is there excessive corrosion, wear, or excessive thickness variation?
Yes - If necessary, INSTALL new brake discs and brake pads. For more information refer to: Brake pads (206-03 Front disc brake, Removal and installation) / Brake disk (206-03 Front disc brake, Removal and installation) / Brake pads (206-04 Rear disc brake, Removal and installation) / Brake disk (206-04 Rear disc brake, Removal and installation). CHECK the system is working properly.
No - The car is correct.
Pinpoint test B: Vibration when brakes are applied
B1: car road test
Carry out a road test of the vehicle in the speed range of 40-80 km/h without applying the brakes. Is there vibration?
Yes - CHECK by NVH parameters (noise, vibration and harshness) (wheel/tyre imbalance, wear/damage to bushings/suspension elements, etc.). REPEAT the road test if necessary.
No - GO to B2.
B2: check for vibration in the brakes
Carry out a road test of the vehicle in the speed range of 40-80 km/h, applying light to moderate pressure on the brake pedal. Is there vibration?
Yes - CHECK the brake caliper bolts and wheel hub nuts and TIGHTEN if necessary. CHECK all impellers are balanced and REBALANCE if necessary. INSPECT brake discs for excessive wear, runout, excessive thickness variation, or cracks. INSTALL new brake discs and brake pads as needed. GO to B3.
No - The car is correct.
B3: Does the vibration persist when the brakes are applied?
Carry out a road test of the vehicle in the speed range of 40-80 km/h, applying light to moderate pressure on the brake pedal. Is there vibration?
Yes - INSPECT for wear or damage to the steering bushing. INSPECT steering ball joints for wear or damage. INSPECT front wheel bearings, suspension bushings and ball joints for wear or damage. INSPECT rear wheel bearings, suspension bushings and ball joints for wear or damage. REFER to the appropriate section of the workshop manual and INSTALL new items as needed.
No - The car is correct.
Pinpoint test C: Braking pull
C1: car road test
Carry out a road test of the vehicle and depress the brake pedal. Is there a lateral movement / pull of the vehicle?
Yes - GO to C2.
No - The car is correct.
C2: Check tire condition / tire pressure
Check tires for excessive wear or incorrect pressure. Are the tire pressures correct and are the tires in good condition?
Yes - GO to C3.
No - ADJUST tire pressure or INSTALL new tires if they are too worn. CHECK the system is working properly.
C3: check calipers
Check the disc brake caliper pistons and guide pins for sticking, leakage or seizing. Are the disc brake caliper pistons and guide pins sticking, leaking or seizing?
Yes - If necessary, REPAIR jammed fingers or INSTALL new brake calipers. For more information refer to: Brake Caliper (206-03 Front Disc Brake, Removal and installation) / Stopping support (206-04 Rear disc brake, Removal and installation). CHECK the system is working properly.
None - GO to C4.
C4: brake disc inspection
Check the brake discs for severe damage, excessive thickness variation or excessive runout. Is there severe damage or increased beating?
Yes - If necessary, INSTALL new brake discs and brake pads. CHECK the system is working properly.
No - GO to C5.
C5: Inspection of the front hub assembly with wheel bearing
Check the front hub assembly with wheel bearing. Are the wheel bearings ok?
Yes - GO to C6.
No - INSTALL new wheel bearings if necessary. For more information refer to: Front Wheel Bearing (204-01 Front suspension, Removal and installation). CHECK the system is working properly.
C6: check bushings and suspension ball joints
Check all bushings and suspension ball joints. Are the bushings and ball joints OK?
Yes - Check and adjust steering geometry For more information refer to: Four-Wheel Alignment (204-00 Suspension System - General Information, General Procedures).
No - If necessary, INSTALL new bushings and suspension ball joints. REFER to the relevant section in the workshop manual.
Pinpoint test D: Pedal feel
D1: check for soft pedal feel (with engine off)
Check for sensation "hardness" brake pedals. Is the brake pedal force and pedal travel normal?
Yes - The car is correct.
No - GO to D2.
D2: Brake pedal return test (with engine off)
Depress the brake pedal 10 times and finally hold down. Does the brake pedal feel firm the last time you press it?
Yes - GO to D3.
No - BLEED the brake system. For more information refer to: Bleeding the brake system (206-00 Brake System - General Information, General Procedures) / Bleeding the brake system under pressure (206-00 Brake System - General Information, General Procedures).
D3: Brake pedal return test (with engine running)
- Apply the parking brake and place the shift lever in the park/neutral position.
- Start the engine and let it run at idle.
- Lightly depress the brake pedal three to four times.
- Allow 15 seconds for vacuum recovery.
- Depress the brake pedal until it stops moving down or you feel an increase in resistance to pedal movement.
- Keep the brake pedal depressed while raising the engine speed to approximately 2000 rpm.
- Release the accelerator pedal.
Does the brake pedal move down as engine speed returns to idle?
Yes - GO to D4.
No - ENSURE that vacuum is applied to the brake booster.
D4: Checking the brake fluid level
Check the brake fluid level in the brake fluid reservoir. Is the level normal?
Yes - BLEED the brake system. For more information refer to: Bleeding the brake system (206-00 Brake System - General Information, General Procedures) / Bleeding the brake system under pressure (206-00 Brake System - General Information, General Procedures). CHECK the system is working properly.
No - CHECK the brake system for leaks and MAKE necessary repairs. ADD brake fluid and BLEED the brake system. For more information refer to: Bleeding the brake system (206-00 Brake System - General Information, General Procedures) / Bleeding the brake system under pressure (206-00 Brake System - General Information, General Procedures). CHECK the system is working properly. REPEAT the road test if necessary.
Pinpoint test E: Pedal down too fast
E1: car road test
Carry out a road test of the vehicle and depress the brake pedal. Is the brake pedal force and pedal travel normal?
Yes - The car is correct.
No - GO to E2.
E2: pressurizing the system and checking the brake pedal travel
With the vehicle stationary, depress the brake pedal quickly (Five times). Is the brake pedal travel increased and then held at the new level?
Yes - BLEED the brake system. For more information refer to: Bleeding the brake system (206-00 Brake System - General Information, General Procedures) / Bleeding the brake system under pressure (206-00 Brake System - General Information, General Procedures). CHECK the system is working properly.
No - GO to E3.
E3: check the brake system for leaks
Check the brake system for external leaks. Refer to Brake Master Cylinder Inspection in this section for more information. Leaks found?
Yes - MAKE necessary repairs, ADD fluid and BLEED the brake system. For more information refer to: Bleeding the brake system (206-00 Brake System - General Information, General Procedures) / Bleeding the brake system under pressure (206-00 Brake System - General Information, General Procedures). CHECK the system is working properly.
No - The system is fine.
Pinpoint test F: Pedal down too slowly
F1: Check brake system for leaks
Check the brake system for external leaks. Refer to Brake Master Cylinder Inspection in this section for more information. Are there external leaks in the brake system?
Yes - PERFORM the necessary repairs. ADD brake fluid and BLEED the brake system. For more information refer to: Bleeding the brake system (206-00 Brake System - General Information, General Procedures) / Bleeding the brake system under pressure (206-00 Brake System - General Information, General Procedures). CHECK the system is working properly.
No - Check for internal leaks in the brake master cylinder, refer to Brake Master Cylinder Parts Inspection in this section and make any necessary repairs.
Pinpoint test G: Increased brake pressure
G1: brake pad check
Check the brake pads for wear, contamination, correct installation, damage, and pad type. Faults found?
Yes - INSTALL the brake pads correctly or, if necessary, INSTALL new brake pads. For more information refer to: Brake pads (206-03 Front disc brake, Removal and installation) / Brake pads (206-04 Rear disc brake, Removal and installation). CHECK the system is working properly. REPEAT road test.
No - GO to G2.
G2: vacuum test
- Disconnect the vacuum hose from the vacuum brake booster.
- Connect a vacuum/pressure gauge to the vacuum hose.
- Warm up the engine to normal operating temperature.
- Record the vacuum reading.
Yes - GO to G3.
No - FIND and REPAIR the cause of insufficient vacuum. CHECK the system is working properly.
G3: system inspection
- Stop the engine.
- Disconnect the vacuum hose.
- Inspect the brake booster, rubber grommet, and all vacuum lines for cracks, holes, damaged connections, or missing clips.
- Depress the brake pedal several times to release the vacuum in the system. Depress the brake pedal and keep it pressed.
Yes - The vacuum system is fine.
No - GO to G4.
G4: Brake booster valve check
Check the brake booster valve. Refer to the brake booster test in this section for more information. Is the brake booster valve OK?
Yes - CHECK the vacuum brake booster. Refer to the brake booster test in this section for more information. INSTALL a new brake booster if necessary. For more information refer to: Vacuum Brake Booster (206-07 Vacuum brake booster, Removal and installation). CHECK the system is working properly.
No - INSTALL a new brake booster valve. CHECK the system is working properly.
Pinpoint test H: Brake lock with light brake pedal pressure
H1: brake lock check
Carry out a road test of the vehicle and depress the brake pedal lightly. Brakes blocking?
Yes - GO to H2.
No - The car is correct.
H2: brake pad inspection
Inspect the brake pads for dirt, installation, damage, and pad type. Faults found?
Yes - INSTALL the brake pads correctly or, if necessary, INSTALL new brake pads. For more information refer to: Brake pads (206-03 Front disc brake, Removal and installation) / Brake pads (206-04 Rear disc brake, Removal and installation). CHECK the system is working properly.
No - GO to H3.
H3: brake caliper inspection
Inspect the brake calipers for seizing, leaking or seizing. Faults found?
Yes - INSTALL the brake calipers correctly or, if necessary, INSTALL new brake calipers. For more information refer to: Brake Caliper (206-03 Front Disc Brake, Removal and installation) / Stopping support (206-04 Rear disc brake, Removal and installation). CHECK the system is working properly.
No - The car is correct.
Pinpoint test I: sticking brakes
I1: car road test
Road test the vehicle and apply the brakes. Are the brakes working properly?
Yes - The car is correct.
No - GO to I2.
I2: Check brake calipers and parking brake cables
Check the front and rear caliper pistons and guide pins for sticking, leaking, or sticking, and the parking brake cables for sticking/sticking. Disc brake caliper pistons and guide pins sticking, leaking or sticking or parking brake cables sticking/sticking?
Yes - REPAIR or, if necessary, INSTALL new elements. Check the correct operation of the system. If necessary, road test the vehicle.
No - GO to I3.
I3: Brake booster test
Check the alignment of the position and stroke of the pusher of the vacuum brake booster. Pusher ok?
Yes - The car is correct.
No - INSTALL a new brake booster. For more information refer to: Vacuum Brake Booster (206-07 Vacuum brake booster, Removal and installation). CHECK the system is working properly.
Pinpoint Test J: Increased/erratic brake pedal travel
J1: rough road test
- Carry out a road test in rough road conditions.
- Slowly depress the brake pedal.
Yes - The car is correct.
No - GO to J2.
J2: Checking the brake fluid level
Check the brake fluid level in the brake fluid reservoir. Is the level normal?
Yes - GO to J3.
No - CHECK the brake reservoir seals. Refer to Brake Master Cylinder Inspection in this section for more information. ADD brake fluid and BLEED the brake system. For more information refer to: Bleeding the brake system (206-00 Brake System - General Information, General Procedures) / Bleeding the brake system under pressure (206-00 Brake System - General Information, General Procedures). CHECK the system is working properly. REPEAT the road test if necessary.
J3: Brake Pedal Return Test
- Let the engine run at idle.
- Lightly depress the brake pedal three to four times.
- Allow 15 seconds for vacuum recovery.
- Depress the brake pedal until it stops moving down or you feel an increase in resistance to pedal movement.
- Keep the brake pedal depressed while raising the engine speed to approximately 2000 rpm.
- Release the accelerator pedal.
Yes - GO to J4.
No - ENSURE that vacuum is applied to the brake booster.
J4: front wheel bearing check
Check the front wheel bearing assemblies. Do the front wheel bearings have play?
Yes - INSTALL a new front wheel bearing if damaged. For more information refer to: Front Wheel Bearing (204-01 Front suspension, Removal and installation). CHECK the system is working properly.
No - CHECK the difference in thickness of the front brake discs.
Pinpoint test K: Slow or incomplete brake pedal return
K1: Brake pedal return test
- Allow the engine to idle while applying the brake pedal several times.
- Pull the brake pedal back with a force of approximately 44.5 N.
- Release the brake pedal and measure the distance to the floor.
- Depress the brake pedal with force.
- Release the brake pedal and measure the distance to the floor. The brake pedal should return to its original position.
Yes - The car is correct.
No - GO to K2.
K2: Check brake pedal for sticking
Disconnect the brake booster from the brake pedal. Check the free movement of the brake pedal. Does the brake pedal move freely?
Yes - INSTALL a new brake booster. For more information refer to: Vacuum Brake Booster (206-07 Vacuum brake booster, Removal and installation). CHECK the system is working properly.
No - REPAIR or INSTALL a new brake pedal. CHECK the system is working properly.
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