hi welcome to the forum. usually belts or the belt pullys might cause this aslo an alternator may cause a whistling sound. have u done a belt change lately if not i would recommend it. autozone or orylies do alternator checks for free. if your husband is pretty good with cars or is confidant u could get a long screw driver and put it on the alt and when u turn the car on put your ear to the handle and see if u hear sound that is if u can reach it they also have statiscopes but instead of the thing at the end they have a screw driver to allow for a longer reach. that is if the noise happens when its just sitting i wouldnt suggest while driving post with your findings
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2002 Maxima GLE Silver on Black
| Berk Intake w/AEM Dryflow | Clear Sidemarker Lights w/PIAA L.E.D |PIAA L.E.D Courtesy and Licence Plate Lights |PIAA White Fogs |Fibre Customs EyeLids | 5% Limo Tint | Brembo Blanks and Hawk HPS Pads |Ebay FSTB |CATTMAN RSB | NWP VIAS Block plate and NWS Spacers | OEM Spoiler | 07 350 z rims on 235/45/18 Goodyear Eagle GT tires | Megan Racing OE-RS Catback |
in training
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