125000526 - H01 VEHICLE DRIFT

Whilst driving in a straight line, the vehicle tends to drift towards the right and/or the left.
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation

Check:

  • Tyre condition and pressures;
  • Free rotation of wheels;
  • Visually inspect the underbody to check for dents or bent suspension components
  • Condition of the suspension flexible mountings
  • condition of the steering components
Continue to Step 1Abnormal tyre wearReplace the tyres Op. 4450B24and carry out balancing
Wheels brakedCheck the condition of the bearings, hubs and calipers If necessary, replace the parts concerned
Deformations are presentReplacing the parts concerned
Damaged mountingsReplacing the parts concerned
Damaged componentsReplacing the parts concerned
1CHECK ON WHEEL GEOMETRYAll OKProblems metOperation
Check the front and rear wheel geometryContinue to Step 2Incorrect front geometryRestore the correct front wheel geometry Op.    Op. 4450A10 FRONT WHEEL GEOMETRY - CHECK USING OPTICAL EQUIPMENT - INCLUDES FRONT WHEEL TOW-IN ADJUSTMENT IF NECESSARY
Incorrect rear geometryRestore the correct rear wheel geometry Op.    Op. 4450A40 REAR WHEEL GEOMETRY - CHECK USING OPTICAL EQUIPMENT
2CHECK ON DRIFTAll OKProblems metOperation
Test the vehicle on a straight line, on a good road surface and with no wind and check that there is no driftEnd of diagnosisThe car driftsSwap over the front wheels and move on to Step 3
3CHECK ON DRIFTAll OKProblems metOperation
Test the vehicle on a straight line, on a good road surface and with no wind and check that there is no driftEnd of diagnosisThe drift has changed directionReplace the tyres Op. 4450B24Continue to Step 4
The car continues to drift in the same directionSwap over the front/rear wheels on the same side and move on to Step 4
4CHECK ON DRIFTAll OKProblems metOperation
Test the vehicle on a straight line, on a good road surface and with no wind and check that there is no driftContinue to Step 5The vehicle still driftsOverhaul the differential unit Op.    Op. 2110D10 DIFFERENTIAL INNER CASE - R + R WITH MANUAL GEARBOX REMOVED - INCLUDES GEARBOX DISMANTLE AND REBUILD
5Continue as instructed by the testerAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosis.