3308641 - H02 DRIFT WHILST BRAKING
During braking, the car pulls to the right and/or left.| Results of the tests | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|---|---|---|---|
| Preliminarily check the type, condition and inflation pressure of the tyresCheck that the wheels are correctly fixed. | Continue to Step 1 | Tyre inflation pressure not correct | Restore the tyre inflation pressure | |
| Tyres unsuitable or worn | Replace the tyres | |||
| Wheel fixing not correct | Tighten the wheels correctly Op. 4450B10 | |||
| 1 | CHECK PAD TYPE AND SURFACE | All OK | Problems met | Operation |
Verify:
| Continue to Step 2 | Friction surfaces vitrified or with traces of oil or grease | Clean and eliminate the causes of the problem | |
| Front pads damaged or wrong type | Replace front pads Op. 3310A60 | |||
| Rear pads damaged or wrong type | Replace rear pads Op. 3310B60 | |||
| 2 | CHECK DISCS | All OK | Problems met | Operation |
| Check the condition of the brake discs | Continue to Step 3 | Front discs worn or damaged | Skim or if necessary replace the discs Op. 3310A48 | |
| Rear discs worn or damaged | Skim or if necessary replace rear discs Op. 3310B48 | |||
| 3 | CHECKING BRAKE CALIPERS | All OK | Problems met | Operation |
| Check the condition of the brake caliper pistons | Continue to Step 4 | Front caliper pistons seized | Replace front brake calipers Op. 3310A30 | |
| Rear caliper pistons seized | Replace rear brake calipers Op. 3310B36 | |||
| 4 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Connect diagnostic equipment (Examiner or other instruments) to the diagnostic socket.Check that there are no faults in the ABS control unit. | Continue to Step 5 | An error is detected in the control unit | Continue following the instructions for the diagnostic equipment | |
| Lack of dialogue with the control unit | Restore the connection between the ABS control unit and diagnostic connector ( See E7020 ABS ) | |||
| 5 | ACTIVE DIAGNOSIS WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
Using the diagnostic equipment (Examiner or other iinstruments) carry out the active diagnosis of:
| Continue to Step 6 | Pump and/or solenoids faulty | Replace electrohydraulic unit-electronic control unit Op. 3340A12 | |
| 6 | CHECK BRAKE CIRCUIT | All OK | Problems met | Operation |
| Check the condition of the brake circuit | Continue to Step 7 | Leaks or damage in the components of the circuit | Replace the components involved | |
| Brake servo faulty | Replace the brake servo assembly Op. 3330D10 | |||
| 7 | HECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | Fault persists | Search for the fault starting from another symptom' | |