H21 Steering wheel vibrations - at all speeds
- Make
- Fiat
- Model
- Seicento Factory Service Manual
- Year
- 1998–2010
- Section
- Steering › H21 Steering wheel vibrations - at all speeds
DiagnosisH21 Steering wheel vibrations - at all speeds · page 1 of 2
H21 Steering wheel vibrations - at all speeds
Vibration of the steering wheel is noted on straight roads at all speeds. If the fault occurs at a specific speed range, see table H20
Preliminarily check:
– tyre pressure, type and conditions
– correct wheel fastening
| Step | Validity | Operation to be performed | Test results | ||
|---|---|---|---|---|---|
| OK | ⚠ | 🔧 | |||
| 1 | CHECK WHEELS Check – correct wheel balance – wheel rim intactness (no nicks or distortions) |
All OK Go to Step 2 |
Problems found | Intervention | |
| Wheels not balanced | Balance the wheels PROCEDURE OP. 4450B46 |
||||
| Nicked or distorted rims | Replace the rims PROCEDURE OP. 4450B14 |
||||
| 2 | Check wheel geometry, PROCEDURE 4450A | All OK Go to Step 3 |
Incorrect geometry | Restore correct vehicle geometry PROCEDURE 4450A |
|
| 3 | Check intactness and correct fastening of steering unit | All OK Go to Step 4 |
Unit supports worn or damaged | Replace supports PROCEDURE OP. 4120A40 |
|
| Steering unit damaged | Replace the steering unit PROCEDURE OP. 4120A10 | ||||
| 4 | Check intactness and efficiency of steering column supporting bearings | All OK Go to Step 5 |
Bearings worn or damaged | Restore steering column efficiency. If required, replace the bearings PROCEDURE OP. 4110A34 or the steering column PROCEDURE OP. 4110A31 |
|
(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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