Lumbar adjustment noise
- Make
- Alfa Romeo
- Model
- 159 Factory Service Manual
- Year
- 2005–2011
- Section
- Noise / vibrations › Lumbar adjustment noise
Fault diagnosisLumbar adjustment noise
LUMBAR ADJUSTMENT NOISE
Noise during operation
| 1 | LEVER POSITION CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|---|---|---|---|
| Check that the adjustment lever and support disc are correctly positioned. | Move on to Step 2 | Not correctly positioned (rubbing, interference) | Reposition them correctly (or replace the knob and/or disc) and lubricate with Krytox grease. | |
| 2 | CHECK ON BACKREST ADJUSTMENT ASSEMBLY | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
| After partly removing the backrest upholstery, check whether the noise (creaking) is coming from the adjustment control unit. | Move on to Step 3 | The noise is coming from the regulator body. | Lubricate the bowden cable with Krytox grease (to confirm the diagnosis) and then apply grease. | |
| 3 | CHECK ON POSITIONING/ATTACHMENT OF PULLMAFLEX PLATE | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
| Check that the Pullmaflex plate and/or adjustment cables are correctly positioned/attached | Move on to Step 4 | Positioning/attachment not correct. | Reposition the Pullmaflex plate and/or adjustment cables correctly. | |
| 4 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
| Check that the fault is no longer present. | End of diagnosis | The fault persists | Replace the adjustment assembly Op. 7045A38 DRIVER'S SEAT BACKREST LUMBAR ADJUSTMENT DEVICE - R.R WITH SEAT REMOVED |
Parts & tools for this job For 2005 Alfa Romeo 159
- TOOLTorque wrenchSearch: 3/8 inch torque wrench
- TOOLSocket setSearch: socket set metric
- BOOKHaynes manualSearch: Haynes manual Alfa Romeo 159
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