2.7L Sonata - OEM oil weight & first refill ?

Discussion in 'Hyundai Sonata' started by The AceyMan, May 31, 2004.

  1. The AceyMan

    The AceyMan Guest

    dear a.a.h-

    Just took delivery of a 2004 Sonata GLS (Pkg 5A) last week. We
    really like the car (first new vehicle) and I'm looking forward to
    breaking it in right and taking good care of it.

    I see that the manual doesn't specifically state what multigrade
    weight comes installed or what weight to use.

    I live in Atlanta so temps are 0-15c in winter and then 20-35c in
    summer. I was planning on using 10w40 but perhaps 10w30 might be
    best? Any educated tips appreciated.

    [BTW, my first change will be at 1200m with a top dino-oil (like
    Castrol GTX), but then after full break-in I plan to use Mobil1
    thereafter.]

    TIA--

    --AceyMan
     
    The AceyMan, May 31, 2004
    #1
  2. The AceyMan

    helikid Guest

    Sonata shop manual has a chart in http://www.hmaservice.com/webtech/

    select your make & engine
    select "shop" at top menu bar
    select engine mech sys
    select specs (1st one listed)
    oil chart is several pages into the manual
     
    helikid, May 31, 2004
    #2
  3. The AceyMan

    helikid Guest

    helikid, May 31, 2004
    #3
  4. Either one will do the job, but I would base the choice on the type of
    driving you do. If you're doing a lot of commuting in heavy traffic
    where the engine gets hot enough to turn on the cooling fan, I'd go with
    10W-40. If you do mostly highway mileage and other driving where the
    engine stays cooler, 10w-30 will suffice. Neither one is going to be a
    problem, so it's not worth being too concerned. In the winter, you could
    switch to 5W-30 or even one of the new 0W-30 or 0W-40 oils which will
    improve your gas mileage somewhat.

    Oil technology and engines have changed considerably over the years and
    recommended oil weights have gone down. Anyone need any 20w-50? I've got
    some that I'll never use.
     
    Brian Nystrom, May 31, 2004
    #4
  5. The AceyMan

    theta00k Guest

    The factory fill is 10W30. There's a chart for selecting a grade in the
    manual, but if you live in the continental USA, make it simple, put 10W30
    all year round.
     
    theta00k, Sep 6, 2004
    #5
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