H01 Vehicle drift
- Make
- Fiat
- Model
- Seicento Factory Service Manual
- Year
- 1998–2010
- Section
- Steering › H01 Vehicle drift
DiagnosisH01 Vehicle drift
Diagnosis table
H01 Vehicle drift
Driving on a straight road, the car tends to move rightwards and/or leftwards.
If required, run a road test on a straight, flat road without transverse slopes.
Check the actual deviation of trajectory by loosening - with extreme caution - the hold on the steering wheel.
If the fault occurs when braking, also see table H02
Preliminarily check:
– tyre pressure, type and conditions
– correct tyre assembly
– correct wheel fastening
| Step | Validity | Operation to be performed | Test results | ||
|---|---|---|---|---|---|
| OK | ⚠ | 🔧 | |||
| 1 | CHECK UNDERBODY Inspect the underbody. Check there are no accidental knocks, dents or bent suspension arms |
All OK Go to Step 2 |
Problems found Damage to the front suspension |
Intervention Restore or replace the damaged parts |
|
| 2 | CHECK GEOMETRY Check the vehicle geometry and characteristic angles of the wheels, PROCEDURE OP. 4450A |
All OK Go to Step 3 |
Problems found Incorrect geometry |
Intervention Restore correct vehicle geometry |
|
| Incorrect angles | Restore correct angles | ||||
| 3 | CHECK WHEELS Check: – correct wheel balancing – “free rotation” of the wheels (correct assembly of brake calipers/ drums) |
All OK Go to Step 4 |
Problems found Wheels not balanced |
Intervention Balance the wheels PROCEDURE OP. 4450B46 |
|
| Incorrect brake caliper/drum assembly | Restore correct assembly or replace the brake calipers 3310A32 (front) |
||||
| 4 | CHECK WHEEL BEARINGS Check intactness and operation of wheel hub bearings |
All OK Go to Step 5 |
Problems found Worn or damaged bearing |
Intervention Replace the wheel hub bearing PROCEDURE OP. 4450C32 (front) or 4450D36 (rear) |
|
(Cont..)
Parts & tools for this job For 1998 Fiat Seicento
- TOOLTie rod end toolSearch: tie rod end puller
- TOOLBall joint separatorSearch: ball joint separator
- FLUIDPower steering fluidSearch: Fiat power steering fluid
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