3233168 - S43 NOISE ' REAR / WHILST DRIVING OVER UNMADE ROAD

When the vehicle is driving over an unmade road or where there are a large number of bends, there is noise from the rear.
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
Preliminarily check that the tools which come with the vehicle and the spare wheel are properly fixedRoad test the vehicle on an unmade road or one with a large number of bends to identify the type of noise:Unspecified noise: Continue to Step 1 The noise is a creaking Continue to Step 1
The noise is a whistling Continue to Step 3
The noise is a knocking Continue to Step 5
1SUSPENSION COMPONENTS CHECKAll OKProblems metOperation

Check the rear suspension components for any signs of rubbing:

  • between the suspension arm bushes and washers
  • between the dust cover and the shock absorber
  • between the end of travel buffer and the housing
Continue to Step 2 Signs of rubbingLubricate or replace the parts involved (see Subassembly 4420)
2ANTI-ROLL BAR TIGHTENINGS CHECKAll OKProblems metOperation
Check the condition of the anti-roll bar flexible mountings and that they are correctly tightened Continue to Step 6 Anti-roll bar mountings worn or not tightened Restore the tightenings, lubricate, or replace the mountings Op.   4420C10 
3SHOCK ABSORBER CHECKAll OKProblems metOperation
Check for any friction between the shock absorber stem and the seal Continue to Step 4 Signs of rubbing Lubricate or replace the shock absorber Op.   4420A12 
4WHEEL BEARINGS CHECKAll OKProblems metOperation
Check the operation of the rear wheel hub bearing Continue to Step 9 Bearing worn or damaged Replace the wheel hub bearing Op.   4450D10 
5BUSHES AND FLEXIBLE MOUNTINGS CHECKAll OKProblems metOperation

Check the condition of the bushes and mountings and that they are correctly tightened In the order:

  • track control arm ball joints
  • shock absorber attachment mounting
Continue to Step 6 Arm supports worn or damagedReplace the supports (see Assembly 4420B)
Shock absorber attachment mounting damaged Replace the mounting Op.   4420A12 
6BRAKE FIXINGS CHECKAll OKProblems metOperation
Check that the brake pipes and handbrake cables under the bodyshell are correctly positioned and fixed Continue to Step 7 Brake pipes not properly fixedSuitably tighten the components involved.Replace any damaged components, if necessary (see Assembly 3340B)
Brake cables not properly fixedSuitably tighten the components involved. Replace any damaged components, if necessary (see Assembly 3380A)
7RESERVOIR FIXINGS CHECKAll OKProblems metOperation
Check that the brackets securing the reservoir to the underbody are correctly positioned and fixed Continue to Step 8 Components which are not properly fixed cause noiseSuitably tighten the components involved.Replace any damaged components PROCEDURES - Assy. 1040A.
8EXHAUST PIPE FIXINGS CHECKAll OKProblems metOperation
Check that the exhaust pipe is correctly positioned and fixed to the underbody Continue to Step 9 Components which are not properly fixed cause noiseSuitably tighten the components involved.Replace any damaged components, if necessary (see Assembly 1076B)
9CHECK CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'