Workshop Manuals Factory service & repair

Alfa Romeo Brera and Spider Factory Service Manual (2005-2010)23 · Fault diagnosis

23 · Diagnostics

Creaking from front seat cushion

Make: Alfa Romeo
Model: Brera and Spider Factory Service Manual
Year: 2005–2010
Section: Noise / vibrations › Creaking from front seat cushion

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Fault diagnosisCreaking from front seat cushion

CREAKING FROM FRONT SEAT CUSHION

Noise, creaking

0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
		Test results
	Simulate movements of the vehicle when cornerning using your body: remove your back from the backrest and move sideways with the base of your back to bring out any noises coming from the seat	Move on to Step 1
1	CHECKS ON CONNECTING CROSSMEMBERS WITH CUSHION SIDES	All OK	Problems encountered	Operation
	By handling check that the connecting crossmember with the cushion sides do not produce noise from the matching nodes	Move on to Step 2	Presence of noise from the matching points	Move the interfering components apart and, if the welding is insufficient, renew it.
2	CHECKS ON SEAT LIFTING DEVICE	All OK	Problems encountered	Operation
	Simulate movements when cornering using your body but do not move the seat lifting device before identifying the noise; if identified, move the seat lifting device	Move on to Step 3	The noise has disappeared	Look at the seat lifting device connecting rods (check for any interference between the connecting rods and the sides moving the parts in contact away from one another) and lubricate with molybdenum disulphide grease
3	CHECK ON GUIDE RELEASE MOUNTING	All OK	Problems encountered	Operation
	Move the attachment area of the guide release mounting checking whether the noise comes back	Move on to Step 4	The noise persists	Release the mounting (detach it from the guides) and remove any areas of interference; lubricate and refit correctly; if necessary, tape the interface area with the guides
4	CHECK ON CONDITION OF TORSION BAR BUSH	All OK	Problems encountered	Operation
	Version with seat lifting device check the condition of the bush/torsion bar	End of diagnosis	1. Bush broken 2. Torsion bar in contact with side panel	1. Seat lifting device replacement 2. Lubricate/position plastic casing between bar and side panel

‹ Prev Climate control system noisy / (in passenger compartment)Next › Noisy rear seat head restraint

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