199000796 - H021 STEERING WHEEL OSCILLATIONS / VIBRATIONS / WITH THE VEHICLE STATIONARY

With the engine running and the vehicle stationary, the steering wheel oscillates and vibrates
Test results
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
First of all, check the engine idle speed.Check the tyre pressureMove on to Step 11. Engine idle irregular2. Tyre inflation pressure not correct1. Proceed as instructed    See table D010 ENGINE IDLE IRREGULAR 2. Make sure tyres are inflated to the correct pressure
1POWER UNIT SUPPORT MOUNTINGS CHECKAll OKProblems encounteredOperation
Check the condition of the mountings for the power unit, the engine reaction rod connected to the mechanical crossmember and that the mechanical crossmember is correctly centredMove on to Step 21. Power unit support mountings faulty2. Reaction connecting rod faulty3. Mechanical crossmember faulty1. Adjust the fastenings: loosen the bolts, centre them in their housings and tighten them to the recommended torque.    Op. 1008A POWER UNIT FASTENING 2. Adjust the fastenings: loosen the bolts, centre them in their housings and tighten them to the recommended torque.    Op. 1008C POWER UNIT REACTION ELEMENTS 3. Adjust the fastenings: loosen the bolts, centre them in their housings and tighten them to the recommended torque.
2STEERING COLUMN CHECKAll OKProblems encounteredOperation
Check the condition of the steering column support and that it is working properly. In particular, check:- that there is no clearance between the support bushes and steering column;- correct tightening of steering column jointsMove on to Step 31. Bushes worn or damaged2. Joint spider clearance too large1. Restore the efficiency of the steering column. If necessary, replace the bearings involved2. Tighten the bolts or replace the steering columnOp. 4110A30
3STEERING WHEEL ADJUSTMENT DEVICE CHECKAll OKProblems encounteredOperation
Check the condition of the steering wheel adjustment device. In particular, check that the clearance between the device and the steering column is correctMove on to Step 4Coupling with excessive clearanceRestore the efficiency of the steering wheel adjustment device. If necessary, replace it
4TIMING CHECKAll OKProblems encounteredOperation
For the 1.2 8v, 1.4 8v, 1.9 JTD;Check that the engine timing is correctMove on to Step 5Timing not correctRestore correct engine timing    Op. 1032B10 TOOTHED TIMING BELT - R + R FOR TIMING ADJUSTMENT OR REPLACEMENT
4TIMING CHECKAll OKProblems encounteredOperation
For 1.3 JTD;Check that the engine timing is correctMove on to Step 5Timing not correctRestore correct engine timing    Op. 1032A12 TIMING SYSTEM DRIVE CHAIN - R.R
5FLYWHEEL BALANCING CHECKAll OKProblems encounteredOperation
Check that the flywheel is correctly balancedEnd of diagnosisBalancing not correctReplace the flywheel    Op. 1024B10 ENGINE FLYWHEEL - R + R FOR VERSIONS WITH MANUAL GEARBOX