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Things mainly go wrong when a lube shop is training new techs or is in a rush.
-find out exactly what type of oil your car needs (case in point, most new gm's and some new chev's require Dexos blended 5w30. a high quality oil may cover this spec but it is wise to use Dexos and what ever you do don't use basic).
-go first thing in the morning so it will be slow.
-ask to make sure no one is training on your car.
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