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Slide flute sound rear quarter

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo XC90s. The XC90 proved to be very popular, and very good for Volvo's sales numbers, since its introduction in model year 2003 (North America).
Saabaero
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Slide flute sound rear quarter

Post by Saabaero » Tue Jul 30, 2019 5:37 am

No I kid you not. Only when hot out and at random “booooooop”. Driver side rear quarter. Maybe related to rear ac. Hard to test with ac off ( real hot this week ) but will do. Wife calls it the clown car.2014 XC90 Purchased last year with 47k miles. Dealer thinks I’m nuts. Thanks for any reply or location of flute



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RickHaleParker
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Re: Slide flute sound rear quarter

Post by RickHaleParker » Tue Jul 30, 2019 8:05 pm

Does it have the optional air suspension?


Platform: P80 1998 C70, B5234T3, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
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1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

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abscate
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Re: Slide flute sound rear quarter

Post by abscate » Wed Jul 31, 2019 4:48 am

Evita the S70 whistles Dixie when we shut her off on a hot day with AC on.

I suspect it’s AC re-equilibrating


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Saabaero
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Re: Slide flute sound rear quarter

Post by Saabaero » Thu Aug 01, 2019 7:32 pm

No air suspension. Got panels off to pinpoint. Since most frequent on hot days it must be rear condenser. If so then what. Checked refrigerant. Dead in the middle on gauge. Maybe let some out and add oil ? Why only my xc90. Will be hot tomorrow gonna look again



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abscate
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Re: Slide flute sound rear quarter

Post by abscate » Thu Aug 08, 2019 3:47 am

Leave that AC charge alone. It’s normalfor AC to make someone noise. I don’t know the XC90 system but you don’t get overcharged unless someone puts too much R134 in

Spontaneous generation of refrigerant is a rare event accompanying poultruous dentitis.


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