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High pitched screeching sound?

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R
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volvlife
Posts: 3
Joined: 16 December 2022
Year and Model: 2007 XC70
Location: US - East coast

High pitched screeching sound?

Post by volvlife »

My 2007 XC70 is coming up on 100k miles soon and it's getting colder here in the northeast. Yesterday I was driving the car in the snow and I hear this really loud high pitched screeching noise coming from the front of the car (see attached video). I stopped the car and after remaining idle for a few seconds the sound went away. I continued driving and the sound happened to come on again after a few minutes, but very infrequently. Any idea what this could be?

Kind regards,
C
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br0dy519  
Posts: 748
Joined: 17 December 2019
Year and Model: 2004 XC70
Location: Windsor, ON
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Post by br0dy519 »

Sounds like possibly the blower motor. Common issue. Easy to diagnose, turn off the fan and see if it goes away.

Buy a TYC if you're cheap like prwood and myself.
04s60 2.4
04xc70 2.5t
prwood wrote:I wish I had a permanent car repair area that was covered, had a level surface, lighting and fans, a workbench, and tool cabinets. You know,like a garage. Much of my time during the job is spent hauling things up and down the stairs to the basement or in and out of the storage shed, or running back downstairs when I realize I need something else,or taking a break from standing out in the sun,or using flashlights or work lamps when it gets dark.
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user17600
Posts: 29
Joined: 14 June 2010
Year and Model: V70A, 04; XC70, 06
Location: New England, USA
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Post by user17600 »

Search for "rain squeal". Yours sounds like a classic case.
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vtl
Posts: 4728
Joined: 16 August 2012
Year and Model: 2005 XC70
Location: Boston
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Post by vtl »

https://www.fcpeuro.com/products/volvo- ... t-30793794
open-uri20141204-20344-uriqvd.jpeg
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vtl
Posts: 4728
Joined: 16 August 2012
Year and Model: 2005 XC70
Location: Boston
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Post by vtl »

Also, if you leave the pavement, I'd suggest doing the next mod to the bracket:

Image

Image
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motormikeyman
Posts: 67
Joined: 13 October 2020
Year and Model: 2004 XC70 AWD
Location: PITTSTON
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Post by motormikeyman »

Have you ever had the PCV system serviced? That can make a sound like this when it is getting blocked up.
'94 940 wagon, 220K miles- sold to a guy who then drove it to Oklahoma
'99 XC70 AWD, 210K miles- trans went
'04 XC70 AWD, 196K miles- still going strong
'06 S40 sedan, 150K miles- went with the ex
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