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Fiat Panda Factory Service Manual (2003-2012)23 · Fault diagnosis
23 · Diagnostics

Forecarriage transverse vibrations

Make
Fiat
Model
Panda Factory Service Manual
Year
2003–2012
Section
Noisy'' / vibrations › Forecarriage transverse vibrations
Fault diagnosisForecarriage transverse vibrations

FORECARRIAGE TRANSVERSE VIBRATIONS

Whilst driving, especially on unmade roads, there are transverse vibrations at the front section. This diagnosis can only be made after

See table S15 RUMOROSITA'' IN CONDIZIONI DI MARCIA

Carry out the latter first.

0PRELIMINARY CHECKSAll OKProblems encounteredOperation

Having carried out the road test, during the

See table S15 RUMOROSITA IN CONDIZIONI DI MARCIA

transverse vibrations are felt from the front end.

Continue depending on the circumstances in which the vibration occurs

End of diagnosis
  • The vibration is noticeable during take off
  • The vibration is accompanied by noise which increases with speed
  • The vibration is accompanied by noise over unmade roads
  • Move on to Step 4
  • Move on to Step 2
  • Move on to Step 1
1WHEEL SIDE CONSTANT VELOCITY JOINT CHECKAll OKProblems encounteredOperation

Raise the vehicle on a two column lift and check:

  • That the driveshaft-wheel side joint matching is correct
  • That the seal is present
Move on to Step 2
  • Incorrect matching
  • Sealing ring missing

  • Replace the constant velocity joint and the driveshaft

    Op. 2710A10 DRIVE SHAFT WITH JOINTS (ONE), L/H OR R/H - R + R

  • Replace the constant velocity joint and the driveshaft

    Op. 2710A10 DRIVE SHAFT WITH JOINTS (ONE), L/H OR R/H - R + R

2WHEEL SIDE JOINT CLEARANCE CHECKAll OKProblems encounteredOperation
Check that the clearance for the wheel side constant velocity joint is not too greatMove on to Step 3Excessive clearance

Replace the constant velocity joint and grease correctly

Op. 2710A20 WHEEL END CONSTANT VELOCITY JOINT (ONE), L/H OR R/H - R + R WITH DRIVE SHAFT REMOVED - INCLUDES BOOT REPLACEMENT

4WHEEL SIDE JOINT TIGHTENING CHECKAll OKProblems encounteredOperation

Remove the wheel

Op. 4450B02 LEFT FRONT WHEEL R R

Check that the constant velocity joint fastening nut is tightened and that the staking is in place.

Move on to Step 5Nut looseningReplace the nut, restore the torque tightening and stake
5CHECK ON CORRECT OPERATIONAll OKProblems encounteredOperation
Check that the fault is no longer presentEnd of diagnosisThe fault persists

The fault is due to another system (engine, clutch, gearbox, differential, suspension).

Search for the cause in one of these systems, following the appropriate diagnostic procedures

Parts & tools for this job For 2003 Fiat Panda

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