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S60 & V60 '18> / XC60 '17> / S90 & V90 '16> / XC90 '15> General Forum for the SPA-platform 60- and 90-series models |
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Volvo S90 Road noise through tyresViews : 4680 Replies : 26Users Viewing This Thread : |
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Dec 28th, 2021, 12:23 | #21 | |
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Quote:
We usually define 75db for an average car at 60mph. It's very difficult to get under 70db and I doubt any measurement beating this. A much more significant factor is the age of the tyres. You will quite often find people saying that they have removed a premium (fully worn) tyre and replaced with a cheap (brand new) Chinese tyre and concluding the new tyre must be better! My fronts (still relatively quiet) at 4mm will be replaced next week for the same Pirelli Zeros with foam inserts.
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Dec 28th, 2021, 12:56 | #22 |
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I would hope that anyone doing a noise measurement of tyre noise in a car would have turned off the radio and any other sound source. There are also several other sound sources in a moving car, including engine and transmission noise, wind noise, as well as tyre noise.
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Dec 29th, 2021, 17:38 | #23 |
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Test on mine today (before new front tyres). Conditions...
V90 Momentum 3 year old tarmac and level Dry surface Measuring at ear level Pirelli Zero Foam filled tyres (6mm Rear and 4mm Front) 245/45 18 Forced into 8th Gear. 60 MPH gives 70.6db
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Jan 26th, 2024, 16:44 | #24 |
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Did you get a recommendation? I have a 2017 S90 on 19 Pirelli Zeros ((Audi fitment-came with the car) which are due for change. I find them really noisy, so much so, I thought I may have a wheel bearing gone! Does anyone have any advice on good quality quiet tyres
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Mar 9th, 2024, 09:55 | #25 |
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I'll weigh in on an S90 I own and a S80 P3 I still own and an ex owner of a S80 P2 and Mercedes W220.
With the P2 I went crazy and Dynamat nearly the whole car. I got a very good lesson in law of diminishing returns. It did help but not as much as I had hoped. I started doing the same on the Mercedes but found there was not much I could do to a S Class that wasn't already done at the factory. From what I learned in the S Class and P2, here are my recommendations. - add MLV on the external wheel liner - add Dynamat or similar on the floor and wheel well - same for boot/ trunk. - imagine a straight line between your ear and the contact point of the tyre on the road, you want as much mass as possible between these two points, other than that, it's reflection and LDR to cover those. - doors do very little other than noise from passing traffic. And from owning the S90 I replaced the factory Pirelli with Michelin PS 4. The PS4 is a performance yet quiet thread pattern. Then I added foam. The foam was 50mm thick and the width was to the very edge of the tyre. Glued this to a few points on the inside of the tyre. This made a big difference. The wheel would need balancing at least twice. The centrifugal force of the wheel balancing device is not high enough to settle the foam first time. |
Mar 9th, 2024, 19:09 | #26 |
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My experience is that the Volvos I have had all were much noiser when new with the original Michelin or Pirelli tyres that they left the factory with but quieter with everything that followed.
Best tyres I've had were a budget all-season tyre from a brand called Imperial - very quiet yet outstanding grip and wear rates. Absolute worse for both grip, noise and wear were the original Pirelli on the same car (a 19 V60).
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May 27th, 2024, 15:11 | #27 |
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Poopbunny: How did you attach mass loaded vinyl to the wheel wells? MLV is stiff and doesn't conform well to odd surfaces. Do you have pictures? I added butyl rubber and closed cell foam to the backside of the wheel wells of my '20 XC60 with good results but adding MLV would be top shelf!
I'm running 235/60R18 Michelin Defender 2 107H tires and they are quieter than the OEM Pirellis. It's a passenger car tire, not a light truck tire. |
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