16 · Diagnostics

S76 Noisy sunroof with sunroof closed

Fault diagnosisS76 Noisy sunroof with sunroof closed

With the car in motion with the sun-roof closed, a noise is heard coming from the sun-roof area

Step	Test procedure	Result	Action
0	PRELIMINARY CHECKS Check whether the noise only occurs with the roof closed	OK	Move onto step 1
		The noise occurs only with the roof open	Move onto step (see S75)
		The noise occurs only with the roof tilted open	Move onto step (see S77)
1	CHECKING SUN-ROOF FASTENINGS Check that the following are fixed correctly: roof glass to slides roof mechanism assembly to body	OK	Move onto step 2
1		Fastenings faulty	Repair the mechanism fastenings Op. 7030B14 Repair the roof fastening Op. 7030B12 End of diagnosis
2	CHECKING SUN-ROOF CONTROL DEVICES Remove glass Op. 7030B18 and check operation of the sun-roof operating devices check the felt pads are present on the central beam check the internal trim control springs are present and properly fastened check that the teflon mount between slides and rails is present check that the felt pads between spoiler and front channel are present	OK	Move onto step 3
		Fastenings faulty	Repair all mechanism components and fastenings (see Assembly 7030B) End of diagnosis
		Sun-roof operating devices faulty	Replace the parts concerned (see Assembly 7030B) End of diagnosis
3	CHECK CORRECT OPERATION Check that the fault is no longer present	OK	End of diagnosis
3		Fault persists	Incorrect selection of diagnostic procedure

Parts & tools for this job For 1997 Alfa Romeo 156

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