TEST RESULTS

Having carried out the road test

 See table S015 NOISE WHILST DRIVING

there was a creaking noise from the rear.

Continue depending on the circumstances in which the noise occurs.

End 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

Check that the end of travel buffer is correctly inserted in its housing

Move on to Step 2

1.End of travel buffer not correctly inserted.

2. End of travel buffer not intact

1. Replace the end of travel buffer

 Op. 4420A32 REAR SUSPENSION SHOCK ABSORBER (ONE), LEFT OR RIGHT - DISMANTLING AND REASSEMBLY AT THE BENCH

2. Replace the end of travel buffer

 Op. 4420A32 REAR SUSPENSION SHOCK ABSORBER (ONE), LEFT OR RIGHT - DISMANTLING AND REASSEMBLY AT THE BENCH

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.

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 casing.

Move 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

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 fastened.

2. Handbrake cable noisy.

1. Restore the correct fastening.

2. Lubricate the handbrake cable

Check the condition of the support seals and that the rear spring is fitted in the correct position

Op. 4420AC CHECK ON CORRECT FITTING OF REAR SUSPENSION SPRING

Move 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.

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 mountings.

Replace the shock absorber

 Op. 4420A30 REAR SUSPENSION SHOCK ABSORBER (ONE), LEFT OR RIGHT - R.R. - CHECK WHEEL GEOMETRY SEPARATELY

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.

If the spring shows signs of abrasion, its mechanical properties could be weakened as a result of oxidation.

End of diagnosis

1. Spring worn.

2. Signs of rubbing between spring and supports.

1. Replace the shock absorber spring

 Op. 4420A40 REAR SUSPENSION COIL SPRING (ONE), LEFT OR RIGHT - R.R.

2. Refit correctly.