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Fiat Grande Punto Factory Service Manual (2005-2012)22 · Fault diagnosis
22 · Diagnostics

Rear noise (creaking/squeaking/ticking)

Make
Fiat
Model
Grande Punto Factory Service Manual
Year
2005–2012
Section
Noise / vibrations › Rear noise (creaking/squeaking/ticking)
Fault diagnosisRear noise (creaking/squeaking/ticking)

REAR NOISE (CREAKING/SQUEAKING/TICKING)

Whilst driving, especially on unmade roads, there is creaking coming from the rear suspension. This diagnosis can only be made after [DI_S015]. Carry out the latter first.

If the problem is only on one side, carry out the checks and any operations on the appropriate side only.

Test results
0PRELIMINARY CHECKSAll OKProblems encounteredOperation

After carrying out a road test during the diagnosis, a noise is heard from the rear identifiable as creaking/squeaking.

See table S015 NOISE WHILST DRIVING

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

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 inserted

2. End of travel buffer not intact

1. Replace the end of travel buffer

2. Replace the end of travel buffer

2CHECK ON TORSION BEAM BUSHESAll OKProblems encounteredOperation
Check that there are no signs of rubbing or contact between the bushes and adjacent partsMove on to Step 3Signs of rubbing detectedLubricate the elements with silicon 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 4Signs of rubbing detectedReplace the end of travel buffer
4CHECKS UNDER THE FLOORAll OKProblems encounteredOperation

Position the vehicle on a two column lift and raise it.

Check that there are no pipes, handbrake cable or heat shields under the floor that are producing noise.

Move on to Step 5

1. Pipes or heat shields incorrectly fastened

2. 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 positionMove 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 rubbingMove on to Step 7Signs 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

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

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 the 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

Parts & tools for this job For 2005 Fiat Grande Punto

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