|  |  | Results of the tests | 
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation | 
|---|
|  | Check
softness of brake pedalCheck stiffness of brake pedal | Continue to Step 1 | Brake pedal too soft | See table   F10  EXCESSIVE BRAKE PEDAL FREE PLAY | 
| Hardening of brake pedal | See table   F12  BRAKE PEDAL HARD | 
| 1 | CHECK ON CONTACT SURFACES | All OK | Problems met | Operation | 
|---|
|  | Check
type and surfaces of contact | Continue to Step 2 | Front pads or discs vitrified | Replace the pads  Op.   3310A60   or
renew the disc surfaces | 
| Rear pads or discs vitrified | Replace the pads  Op.   3310B60   or renew the disc
surfaces | 
| Dirty surfaces | Clean the surfaces in question | 
| Front disc contact surfaces damaged | Grind the discs, or replace, if necessary  Op.   3310A48 | 
| Rear disc contact surfaces damaged | Grind the discs, or replace, if necessary  Op.   3310B48 | 
| 2 | CHECK ON WHEEL CYLINDERS | All OK | Problems met | Operation | 
|---|
|  | Check
that the wheel cylinders are not seized | Continue to Step 3 | Front wheel cylinders
seized | Replace
front calipers   Op.   3310A30 | 
| Front wheel cylinders seized | Replace rear calipers   Op.   3310B36 | 
| 3 | CHECK ON BRAKING ACTION | All OK | Problems met | Operation | 
|---|
|  | Check
that the braking effect does not decrease even after several braking
actions | Continue to Step 4 | The braking effect decreases significantly | Change the brake/clutch
fluid  Op.   0010T64 | 
| 4 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation | 
|---|
|  | Test
the vehicle before delivery to the customer, to check that the fault
is no longer present. |  | The test is essential, as the braking system involves a safety
feature of the car | 
 |  | Fault persists | Search for the
fault starting from another symptom' |