3233167 - S42 NOISE ' REAR / DRIVING IN A STRAIGHT LINE ON AN EVEN ROAD

With the vehicle driving along a straight, even road, there is noise from the rear.As the speed of the vehicle increases, so too does the noise
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
Preliminarily, check the type, condition and inflation pressure of the tyres Continue to Step 1 Pressure not correctRestore the tyre inflation pressures
Tyres not suitable or wornReplace the tyres
1WHEEL BEARINGS CHECKAll OKProblems metOperation
Carry out a test, gradually steering to the right or the left; check whether the intensity of the noise increasesThe noise remains constant: Continue to Step 2 The noise increases greatly with the steering angle: bearing worn or damaged Replace the wheel hub bearing Op.   4450D14 
2WHEEL CHECKAll OKProblems metOperation

Check:

  • that the wheels are properly balanced
  • the condition of the wheel rims
Continue to Step 3 Wheels not balancedBalance the wheels
Wheel rims dented or distortedReplace the wheel rims
3CHECK CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'