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Uneven Wear

Discussion in 'Model S: Driving Dynamics' started by miggz410, Sep 7, 2017.

  1. miggz410

    miggz410 Member

    Joined:
    Jun 25, 2016
    Messages:
    72
    Location:
    Bay Area, California
    2016 Model S 60 rear wheel drive with air suspension on 19" inches...

    Car came with factory Goodyear Eagle Touring (Foam inside)... My car has about about 16k miles on it... I took the car in today to America's Tire to get a patch repair done on my front driver side due to a nail. Shop guy measured the thread and said that I have uneven wear on my tires... The front measured at 7/32, and the rears a 3/32... I rotated my tires once before at around 6k miles, and at the time the wear was pretty even. Told the guy to go ahead and rotate my tires so I have a good thread on my rear, while I decide on what to do.

    Any Idea what happen? My driving habit is pretty normal. Floored it once in a while but not all the time. I do drive and set my suspension on low at about 25% of my driving.

    Now I'm debating if I should replace the two worn with the same tires, or if I should I replace all 4 with a different brand tires that I can get better mileage out of it.
     
  2. Tiger

    Tiger Member

    Joined:
    Oct 31, 2016
    Messages:
    241
    Location:
    Estonia
    You'll be better off getting the uneven wear fixed at your SC, before buying a new set of tires. Also they work as evidence that there's something wrong in the camber adjustments.
     
    • Like x 1
  3. The Duke

    The Duke Member

    Joined:
    Nov 17, 2016
    Messages:
    68
    I think camber adjustment would cause uneven wear across the tire, not front to rear. If the tires are all evenly worn across the tread generally alignment is not the problem. Some causes for more wear on rear tires on rear wheel drive car are not so easily spotted. Construction work, especially sand on the road, rain, hot weather and of course teenagers.
     
  4. bishoppeak

    bishoppeak Member

    Joined:
    Oct 3, 2015
    Messages:
    130
    Location:
    San Luis Obispo, CA
    Insufficient toe in would cause even excessive wear in the rear, get your alignment checked.
     
  5. UberEV1

    UberEV1 Member

    Joined:
    Mar 9, 2014
    Messages:
    306
    Location:
    San Jose, CA
    One thing to consider . . . Model S RWD wears rear tires faster than fronts due to Regen on rear wheels. This is contrary to traditional ICE which usually wears the front wheels faster (due to steering). What you save in brake pad replacement can help cover more frequent tire replacement. With my stock Michelin's (2013 S85), I am getting ~25,000 miles per set with proper rotation.
     

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