18 · Diagnostics

S75 Noisy sunroof with sunroof open

Fault diagnosisS75 Noisy sunroof with sunroof open

While driving with the roof fully open, noise can be heard from the sun-roof area

Step	Test procedure	Result	Action
0	PRELIMINARY CHECKS Check that the noise can heard only when the sun-roof is open	OK	Move onto step 1
		The noise occurs with the roof closed	See table S76 NOISY SUNROOF End of diagnosis
		The noise occurs with the roof tilted open	See table S77 NOISY SUNROOF End of diagnosis
1	CHECKING SUN-ROOF FASTENINGS Check that the following are fixed correctly: Roof panel to runners; Complete roof mechanism to the bodyshell	OK	Move onto step 2
		Panel fastening faulty	Re-attach correctly Op. 7030B18 End of diagnosis
		Complete mechanism to bodyshell	Restore the correct fastening Op. 7030B12 End of diagnosis
2	CHECKING SUN-ROOF CONTROL DEVICES Checking operation of sun-roof devices: With the roof tilted open, ensure the rubber pads on the rear parts of the slides are present With the roof tilted open, check the end stop springs and central channel slides are undamaged and properly fastened With the roof fully open, check the spoiler rubber end stop pads are undamaged and properly fastened	OK	Move onto step 3
2		Sun roof fastenings and/or operating devices faulty	Renew all the faulty components and the fastening of the entire mechanism Op. 7030B14 End of diagnosis
3	CHECK ON CORRECT OPERATION Check that the fault is no longer present	OK	Incorrect selection of diagnostic procedure
3		Fault persists	Incorrect selection of diagnostic procedure

Parts & tools for this job For 2000 Alfa Romeo 147

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