323001378 - S026 REAR NOISE (CREAKING/SQUEAKING/TICKING)

Whilst driving, especially on unmade roads, a creaking noise comes from the rear suspension. This diagnosis can only be made later on    See table S015 NOISE WHILST DRIVINGCarry out the latter first.
If the problem is only on one side, carry out the checks and any operations on the appropriate side only.
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
Having carried out the road test, during the    See table S015 NOISE WHILST DRIVINGEnd of diagnosis.1.The noise occurs especially on unmade roads uphill, during acceleration or braking.2.The noise also occurs on smooth, undulating roads.1.Move on to Step 1.2.Move on to Step 2.
1END OF TRAVEL BUFFER CHECKAll OKProblems encounteredOperation
Check that the end of travel buffer is correctly inserted in its housingMove on to Step 2.1.End of travel buffer not correctly inserted2. End of travel buffer deteriorated.1. Replace the end of travel buffer.    Op. 4420A32 REAR SUSPENSION SHOCK ABSORBER (ONE), LEFT OR RIGHT - DISMANTLING AND REASSEMBLY AT THE BENCH2. Replace the end of travel buffer.    Op. 4420A32 REAR SUSPENSION SHOCK ABSORBER (ONE), LEFT OR RIGHT - DISMANTLING AND REASSEMBLY AT THE BENCH
2CHECK ON TORSION BEAM BUSHESAll OKProblems encounteredOperation
Check that there are no signs of rubbing or contact between the bushes and adjacent parts.Move on to Step 3.Signs of rubbing detected.Lubricate the elements with silicone grease
3DUST COVER CHECKAll OKProblems encounteredOperation
Check that the dust cover is not rubbing against the shock absorber casing, by moving it and applying pressure and releasing it above the shock absorber casingMove on to Step 4.Signs of rubbing detected.Replace the end of travel buffer.    Op. 4420A32 REAR SUSPENSION SHOCK ABSORBER (ONE), LEFT OR RIGHT - DISMANTLING AND REASSEMBLY AT THE BENCH
4CHECKS UNDER THE FLOORAll OKProblems encounteredOperation
Position the vehicle on a two column lift and raise it.Check that no pipes, handbrake cable or heat shields under the floor are producing noise.Move on to Step 5.1. Pipes or heat shields incorrectly fastened2. Handbrake cable noisy.1. Renew the correct fastening.2. Lubricate the handbrake cable.
5REAR SUSPENSION SPRING CHECKAll OKProblems encounteredOperation
Check the condition of the support seals and that the rear spring is fitted in the correct position.    See Test 4420AC CHECK ON CORRECT FITTING OF REAR SUSPENSION SPRINGMove on to Step 6.1. Spring support seals do not conform.2. Spring not correctly fitted,1. Replace the faulty components.2. Refit the spring correctly.
6SHOCK ABSORBER RUBBER MOUNTING CHECKAll OKProblems encounteredOperation
Check that the lower rubber mounting for the shock absorber does not show signs of wear on account of rubbing.Move on to Step 7.Signs of tearing /damage to the rubber mounting.Replace the shock absorber.    Op. 4420A30 REAR SUSPENSION SHOCK ABSORBER (ONE), LEFT OR RIGHT - R.R. - CHECK WHEEL GEOMETRY SEPARATELY
7SPRING CHECKAll OKProblems encounteredOperation
Check that there are no signs of rubbing on the suspension spring at its supports.Also check that the spring shows no signs of wear
End of diagnosis.1. Spring worn.2. Signs of rubbing between spring and supports.1. Replace the shock absorber spring.    Op. 4420A40 L/H OR R/H REAR SUSPENSION COIL SPRING (ONE) - R+R 2. Refit correctly.