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2006 XC90 2.5 FWD-front drivers side growl

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).
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mrbrian200
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mrbrian200

Re: 2006 XC90 2.5 FWD-front drivers side growl

Post by mrbrian200 » Sun Mar 31, 2019 10:49 pm

Seeing as you're still banging your head on this after some time and an expensive part or two later, I'm going to say it again...

At this point I'd say you're either looking at differential noise (transmission) or a rear wheel bearing.
In the following video while making the video the guy is convinced it's front end diff noise. If you look at the comments it turned out to be a REAR wheel bearing. It's a Toyota truck, not a Volvo. But the point is that the noise as localized from inside the vehicle does not necessarily mean the noise is coming from from where you seem to hear it or even feel it. I've been through this with my sister's 2003 XC90. Driving the car you might have sworn the front left wheel bearing or angle gear/transmission was about to blow up. It was the right rear wheel bearing. Sitting in the back seats or front passenger you'd only feel it a little and barely hear it.

Youtube Video: Toyota rear wheel bearing mistaken as front differential noise

Please take a look at the rear end (wheel bearings, drive shaft, rear differential) before throwing more money at the front.



aaron1611
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Re: 2006 XC90 2.5 FWD-front drivers side growl

Post by aaron1611 » Mon Apr 01, 2019 5:09 am

ok, thank you. Watched the video and I definitely hear the whoomp whoomp sound when on the highway so I'll take your advice and get someone in the back to confirm noise is or isn't coming from the rear and post back.


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cn90
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Re: 2006 XC90 2.5 FWD-front drivers side growl

Post by cn90 » Mon Apr 01, 2019 6:50 am

Jack up each wheel and spin it to diagnose bearing noise.


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2005 XC90 2.5T 110K+

aaron1611
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Re: 2006 XC90 2.5 FWD-front drivers side growl

Post by aaron1611 » Mon Apr 01, 2019 7:28 am

well, I did the rear wheels already and I didn't feel or hear anything after spinning them. I haven't done the front passenger side yet which is probably what I'll do after confirming if any sound is actually coming from the rear.


06 XC90 175K current daily driver
02 V70 XC 135K sons daily driver
05 XC90 251K current daily driver
Volvo's that were driven and flipped:
92 240DL 215K
01 V70 TMU
00 S70 100K
99 V70 189K
94 940 136K
92 240 GL wagon TMU
85 240 DL 196K
90 240 DL 169K
95 850 wagon 250K
99 S70 135K

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mrbrian200
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Re: 2006 XC90 2.5 FWD-front drivers side growl

Post by mrbrian200 » Mon Apr 01, 2019 8:58 am

Wheel bearings sometimes will not have physical play and only make noise when there's weight on them. ie-they'll seem fine spinning by hand with the vehicle raised off the ground.



aaron1611
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Re: 2006 XC90 2.5 FWD-front drivers side growl

Post by aaron1611 » Mon Apr 01, 2019 10:57 am

I took a test drive with my wife in the back with her ears to the floor and there isn't any sound coming from the back. She rode as a passenger and could hear it but not as clear as I can. I then let her drive and then she could hear it very well. I will say that it is much less of noise sitting in the passenger seat but I can still feel it coming thru the floor with my feet. I will jack up the front this afternoon and spin the front passenger wheel.


06 XC90 175K current daily driver
02 V70 XC 135K sons daily driver
05 XC90 251K current daily driver
Volvo's that were driven and flipped:
92 240DL 215K
01 V70 TMU
00 S70 100K
99 V70 189K
94 940 136K
92 240 GL wagon TMU
85 240 DL 196K
90 240 DL 169K
95 850 wagon 250K
99 S70 135K

dj_v70
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Re: 2006 XC90 2.5 FWD-front drivers side growl

Post by dj_v70 » Mon Apr 01, 2019 6:46 pm

Consider buying a set of chassis ears.



aaron1611
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Re: 2006 XC90 2.5 FWD-front drivers side growl

Post by aaron1611 » Tue Apr 02, 2019 5:13 am

I'll see if any local parts stores has one available to rent. Thanks for the suggestion.


06 XC90 175K current daily driver
02 V70 XC 135K sons daily driver
05 XC90 251K current daily driver
Volvo's that were driven and flipped:
92 240DL 215K
01 V70 TMU
00 S70 100K
99 V70 189K
94 940 136K
92 240 GL wagon TMU
85 240 DL 196K
90 240 DL 169K
95 850 wagon 250K
99 S70 135K

aaron1611
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Re: 2006 XC90 2.5 FWD-front drivers side growl

Post by aaron1611 » Sat Apr 06, 2019 6:42 am

While I was out of town this week my wife dropped the Volvo off to have the front alignment performed but the shop was unable to move forward due to necessary repairs needed to be done first. Front right axle shaft, inner left tie rod and both front lower control arms. It's quite possible that these repairs will fix the sounds emanating from the front. I've yet to find a rental chassis ears tool but will keep looking. Interestingly, they said nothing about front wheel bearing hub needing to be replaced.


06 XC90 175K current daily driver
02 V70 XC 135K sons daily driver
05 XC90 251K current daily driver
Volvo's that were driven and flipped:
92 240DL 215K
01 V70 TMU
00 S70 100K
99 V70 189K
94 940 136K
92 240 GL wagon TMU
85 240 DL 196K
90 240 DL 169K
95 850 wagon 250K
99 S70 135K

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abscate
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abscate

Re: 2006 XC90 2.5 FWD-front drivers side growl

Post by abscate » Sun Apr 14, 2019 2:06 am

Growl louder on swerve right.......bad left bearing

Growl louder swerve left.......bad right bearing

It’s quite pronounced an effect. Once they get noisy they last another 10-15000 miles or so , then get really noisy, then I don’t know what happens but I bet it’s ugly.

If it isn’t changing on loading, it’s something else

I’ve removed noisy wheel hubs and they bench feel like a new one, by the way.


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