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Loud Noise from Engine

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macytelli
Posts: 2
Joined: 12 Oct 2019, 17:28
Year and Model: 2008 XC90 3.2
Location: IA

Post by macytelli »

I am getting a loud noise from the engine area of my 3.2 XC90 2008. It starts low and gets louder the longer you run the engine. It is a high pitch noise. I was thinking maybe the belt but it looks like it is in good shape. I was planning to remove the idler pulley thinking that may be it but wanted to check here first.
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Masscomguru
Posts: 132
Joined: 18 Nov 2012, 05:41
Year and Model: 2010 XC90 V8
Location: Massachusetts
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Post by Masscomguru »

If you pull the dipstick while the engine is running and the noise changes, its the valve cover which is also an integrated PCV air box.
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MoVolvos
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Joined: 15 Jan 2012, 18:47
Year and Model: S&V70XC,S60,C30,XC90
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Post by MoVolvos »

-
A possibility?

Blessings,

BKM


2008 C30 T5 2.0 M66
2007 S60 2.5T - New Project
2003 S80 T6 Transmission DIED
2000 S70 SE Base - New Project
1998 S70 T5 Prior
1989 240 Wagon Prior
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Masscomguru
Posts: 132
Joined: 18 Nov 2012, 05:41
Year and Model: 2010 XC90 V8
Location: Massachusetts
Been thanked: 16 times

Post by Masscomguru »

Read through this: https://forums.swedespeed.com/showthrea ... alve+cover
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macytelli
Posts: 2
Joined: 12 Oct 2019, 17:28
Year and Model: 2008 XC90 3.2
Location: IA

Post by macytelli »

Thanks guys. I think it is the PCV Oil Trap.
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