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2008 XC90 squeal in the pulley belt area

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).
lancelyons
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Year and Model: 2008
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lancelyons

2008 XC90 squeal in the pulley belt area

Post by lancelyons » Tue Nov 12, 2019 9:33 am

Hi, Looking into fixing my daughters 2008 XC90 3.2L. She has a squeal coming from the belt pulley area that essentially goes away when she accelerates and then comes back when she coasts or comes to a stop. Sometimes its not there on a complete stop. I have heard this before with other cars and its always the belt tensioner.

Does this sound correct?

I am looking at doing the work this weekend. here is what I believe I need to do.

After digging into this a bit more I feel that I am able to do this job with about 60 dollars with a parts.

Fischer Tensioner
Idler pulley
Serpentine Belt


will need to remove Intake box and fuse box for more room


19mm wrench on tensioner to remove pressure

loosen A/C compressor and brackets and power steering reservoir to move out of way
disconnect water pump from pulley system to allow new serpentine belt
remove tensioner
remove idler pulley
replace tensioner with pin to lock it in position to not put tension on belt
route new belt in place
refasten A/C compressor and brackets
refasten water pump
install idler pulley

reinstall intake box and fuse box

does that sound about right? missing anything?



wanderdüne
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wanderdüne

Re: 2008 XC90 squeal in the pulley belt area

Post by wanderdüne » Tue Nov 12, 2019 6:21 pm

I don't have a 3.2, but had seen this on the other forum. See especially post 7.
https://forums.swedespeed.com/showthrea ... d-the-ugly



lancelyons
Posts: 2
Joined: Tue Nov 12, 2019 9:28 am
Year and Model: 2008
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lancelyons

Re: 2008 XC90 squeal in the pulley belt area

Post by lancelyons » Sat Nov 23, 2019 4:01 pm

This was just the oil trap issue with to much vacuum. Pulled oil fill plug and noise disappears.

I replaced tensioner and idler pulley and it was excessive vacuum and bad oil trap.



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