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  • karjunkie 09/08/09 8:34 am PST

    I do not reccommend that weight oil for the Saturn Vue. Modern engines like this one are designed for 5W20 or 5W30. Even in very hot climates like yours, you do not need the extra weight and this can contribute to sludge in the engine. Instead, stick with the lighter oils but use a good synthetic like Mobil1 or Castrol. Regular oil changes will do much more to protect your engine than trying heavier weight oils. Good luck!

  • 0patience 09/08/09 1:13 pm PST

    This is the information from Saturn.
    It would seem that your safest bet would be synthetic 5W30.

    Engine Oil
    API Classification -- Look for Starburst Symbol
    Above -18°C (0°F) 5W-30 (preferred) or 10W-30
    Below -29°C (-20°F) 5W-30 synthetic (preferred) , 0W-30

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