S36 Power steering noise with steering wheel stationary

Make: Alfa Romeo
Model: 156 Factory Service Manual
Year: 1997–2002
Section: Noise/vibrations › S36 Power steering noise with steering wheel stationary

Fault diagnosisS36 Power steering noise with steering wheel stationary

After the steering wheel has been operated many times, there is a noise when it is left still

Step	Test procedure	Result	Action
0	PRELIMINARY CHECKS Visually inspect the power assisted steering fluid level in the reservoir Carry out a test by steering on full lock and then releasing the steering wheel	OK	Move onto step 1
		Level too low	Restore the correct level. if there are leaks, Move onto step (see X30)
		The noise is a knocking / banging	Move onto step 1
		The noise is a hissing in three positions of the steering wheel (about 120° apart)	No intervention of any sort is necessary: the noise is due to the normal operation of the system End of diagnosis
1	STEERING COLUMN BEARINGS CHECK Check that there is not too much play in the steering column; check the condition and the efficiency of the steering column support bearings	OK	Move onto step 2
1		Bearings worn or damaged	Replace the bearings involved Op. 4110A30 End of diagnosis
2	CHECK CORRECT OPERATION Check that the fault is no longer present	OK	End of diagnosis
2		Fault persists	Incorrect selection of diagnostic procedure

Parts & tools for this job For 1997 Alfa Romeo 156

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