| | Results of the tests |
| 1 | CHECK ON SURGING | All OK | Problems met | Operation |
|---|
| With the vehicle moving, press the brake pedal gently.With the vehicle moving and the brake pedal released, operate the handbrake partly | Continue to Step 2 | Surging is only present on the brake pedal | If necessary, grind or replace the front discs Op. Op. 3310A50 FRONT BRAKE DISCS R R |
| The surging is perceived on both the brake pedal and the handbrake lever. | If necessary, grind or replace the rear discs Op. Op. 3310B50 REAR BRAKE DISCS R R |
| 2 | CHECK WHETHER SURGING PERSISTS | All OK | Problems met | Operation |
|---|
| With the brake discs reground or replaced, carry out the tests described in the previous step again | Continue to Step 3 | The vibration persists only on the brake pedal | Replace the front hubs Op. Op. 4450C28 FRONT WHEEL HUB - R R |
| The vibration persists on both the brake pedal and the handbrake lever | Replace the rear hubs Op. Op. 4450D10 HUB OF ONE REAR WHEEL, L/H OR R/H - R+R WITH WHEEL REMOVED |
| 3 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Test the vehicle before delivery to the customer, checking that the fault is no longer present | The test is essential, as the braking system involves a safety feature of the car |
| End of diagnosis | . | |