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Extremely loud squeal at startup

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).
Stiebertw
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Year and Model: 2005 XC90
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Stiebertw

Extremely loud squeal at startup

Post by Stiebertw » Sat Oct 05, 2019 10:43 pm

I’ve got a 2005 XC90 V8. For about 3 months now, at start up, there is an extremely loud squeal that lasts for about 10-15 minutes if the car idles. If I immediately start driving it the noise is almost deafening. It last about 3 miles before it subsides to nothing. I’d say it increases on 90 degree turns. If I punch the gas and increase speed quickly the noise goes away faster. I’ve put water on the belt to ensure it’s not that, and the noise increases. So it’s not the belt. Any ideas?



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RickHaleParker
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Re: Extremely loud squeal at startup

Post by RickHaleParker » Sun Oct 06, 2019 8:21 pm

Take a length of rubber hose. Stick one end in your ear. Use the other end to locate where the squealer is hiding.


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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ggleavitt
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ggleavitt

Re: Extremely loud squeal at startup

Post by ggleavitt » Mon Oct 07, 2019 11:01 am

2005 V8- how many miles on the vehicle and when was the aux belt and the idlers replaced (with or without a new tensioner)?

Power steering pump and fluid is original? Reservoir level is correct? PS fluid ever changed/added and if yes, what fluid was used?


2005 2.5T AWD-196k
2008 V8 AWD Sport-126k

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