Knocking from front seat cushion
- Make
- Fiat
- Model
- 500 Factory Service Manual
- Year
- 2007–2024
- Section
- Noise / vibrations › Knocking from front seat cushion
Fault diagnosisKnocking from front seat cushion
KNOCKING FROM FRONT SEAT CUSHION
Noise/knocking
| Test results | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|---|---|---|---|
| "Rock" in the seat resting against the backrest; check the fastenings to the floor (four M8 bolts) releasing the tension and check the front and rear mountings. | Move on to Step 1 | Creaking; non alignment of guides during sliding stage (twist effect). | Retighten the seat to the floor following the correct guide alignment cycle. | |
| 1 | CHECK ON GUIDE FASTENINGS TO SEAT | All OK | Problems encountered | Operation |
| Check whether the noise disappears by releasing the tension of the fastenings securing the guides to the seats (6 M8 bolts on the 4 way seat and 2 M8 bolts on the 6 way seat). | Move on to Step 2 | Noise disappears | Retighten the seat to the floor following the correct tightening cycle. | |
| 2 | SEAT LIFTING HINGES CHECK | All OK | Problems encountered | Operation |
| Check for clearance at the seat lifting hinges | Move on to Step 3 | Excessive clearance in the seat lifting hinges. | Replace the seat lifting assembly. Op. 7045A36 | |
| 3 | BRACKET HOLDER CONTACT CHECKS | All OK | Problems encountered | Operation |
| Check for the presence of contacts or detachment of the bracket. | Move on to Step 4 | 1. Contact with cushion components 2. Detachment of the bracket | 1. Move the bracket away from possible contact with the cushion. 2. Replacement of connector holder bracket. | |
| 4 | SUSPENSIONMAT FASTENINGS CHECKS (LUMBAR SUSPENSION) | All OK | Problems encountered | Operation |
| Check for possible detachment of the suspensionmat fastenings on the frame or possible breaks. | End of diagnosis | Suspensionmat released or broken. | Reattach suspensionmat or replace suspensionmat Op. 7045A79 FRAME OF TILTING CUSHION OF A FRONT SEAT, LEFT OR RIGHT - R.R. | |
Parts & tools for this job For 2007 Fiat 500
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLSocket setSearch: socket set metric
- BOOKHaynes manualSearch: Haynes manual Fiat 500
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