2888367 - H21 STEERING WHEEL OSCILLATIONS/ VIBRATIONS / WITH THE VEHICLE STATIONARY
With the engine running and the vehicle stationary, the steering wheel oscillates and vibrates| Results of the tests | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|---|---|---|---|
| Preliminarily check the engine idle speed | Continue to Step 1 | Engine idle irregular | See table D10 | |
| 1 | ENGINE SUPPORT CHECK | All OK | Problems met | Operation |
| Check the condition of the engine supports and reaction rod | Continue to Step 2 | Engine supports faulty | Bed in the fixings: loosen the bolts, centre them in their housings and tighten them to the recommended torque (see Assembly 1008A) | |
| Reaction rod faulty | Bed in the fixings: loosen the bolts, centre them in their housings and tighten them to the recommended torque (see Assembly 1008C) | |||
| 2 | STEERING COLUMN CHECK | All OK | Problems met | Operation |
Check the condition and the efficiency of the steering column support. In particular, check:
| Continue to Step 3 | Bushes worn or damaged | Restore the efficiency of the steering column.If necessary, replace the bearings involved Op. 4110A31 | |
| Spider joint clearance too large | Tighten the bolts or replace the steering column Op. 4110A31 | |||
| Adjustment device clearance too large | Restore the efficiency of the steering wheel adjustment device. If necessary, replace it Op. 4110A31 | |||
| 3 | TIMING CHECK | All OK | Problems met | Operation |
| Check that the engine timing is correct | Continue to Step 4 | Timing not correct | Restore the correct engine timing Op. 1032B14 | |
| 4 | FLYWHEEL BALANCE CHECK | All OK | Problems met | Operation |
| Check that the flywheel balance is correct | Continue to Step 5 | Balance not correct | Replace the flywheel Op. 1024B10 | |
| 5 | CHECKING 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' | |