1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

New tyres over sensitive to road surfaces

Corb2000 Jun 5, 2018

  1. Corb2000

    Corb2000 Million miler

    85
    28
    18
    I replaced my 2016 A7’s oem 20 inch Pirelli P zeros after 2 years / 31,000m with Vredestein Ultrac Vorti R - identical spec, load & speed rating - after reading positive reviews of the Vredesteins and previous good experiences with the brand.

    After doing 1,000m or so on the Vredesteins I’ve noticed a consistent over sensitivity to road surfaces, anything less than billiard table smooth tarmac causes a steady ‘buzz’ through the steering wheel.

    I had all 4 wheels rebalanced by the tyre fitter and that did reduce the vibration but there’s still the wheel ‘buzz’ and a harshness to the ride on rougher road surfaces that I never had with the Pirellis.

    My car has the optional air suspension and I’m really fussy about ride quality and road noise, so far both seem to have deteriorated since the tyre change - anyone have any experience of the Vredesteins or suggestions about any other potential causes of the problem?

    Thanks for any ideas folks.


    Sent from my iPhone using Tapatalk
     
  2. Avatar

    Google AdSense Advertisement


  3. WesT-gefül

    WesT-gefül Active Member Bronze Supporter

    468
    154
    43
    What is the noise rating of the two tyres. Mostly likely something you have to live with.
     
  4. gokiwi64

    gokiwi64 Guest

    0
    0
    0
    It could be down to the compound difference between them or even the pressures , try dropping a couple of psi and see if it changes at all.
     
    WesT-gefül likes this.
  5. Corb2000

    Corb2000 Million miler

    85
    28
    18
    The noise rating of the vredesteins is 3db less than the oem Pirellis, so in theory my new tyres should be quieter!


    Sent from my iPhone using Tapatalk
     
  6. Corb2000

    Corb2000 Million miler

    85
    28
    18
    I’ve tried cold pressures at 5psi below and above the Audi figures of 38 front and 33 rear.

    Reducing the pressures by 5psi (33/28) seemed to increase the noise and harshness felt through the car on coarse road surfaces.

    Running the tyres at the 5psi higher pressures (43/38) reduces the harshness and takes the edge off the buzz felt in the steering wheel but makes the steering rather too light for my taste, even in dynamic mode. It also adversely affects the car’s reaction to movement joints and potholes.


    Sent from my iPhone using Tapatalk
     
  7. WesT-gefül

    WesT-gefül Active Member Bronze Supporter

    468
    154
    43
    It’s a mixture of compound and tread because You’ve ruled everything else out. Also unfortunately we have **** roads. On some rare occasions we do have smooth roads it makes all the difference even with noisy tyres.
     

Share This Page