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Thread: cx5 first oil change

  1. #1
    Registered Member

    mazda cx5

    Join Date
    Jan 2013
    bayamom puerto rico

    cx5 first oil change

    I took my car to the dealership for the first oil change. They put conventional oil 5w-20. The dealer said that my car can use that oil due the tropical temperatures in Puerto Rico. Should I can go back to synthethic? The manual saids: OW-20 full syntherhic for USA and Canada. Any sugestions?


  2. #2
    Registered Member nizzy1115's Avatar

    2013 CX-5 Sport

    Join Date
    Apr 2012
    I would go back.
    2013 Black CX-5 Sport FWD Auto
    45% front 18% rear tints | NAV | Auto dimming homelink mirror | Polk DB351 in dash, Polk DB651 in front and rear | Door sills | OEM rubber floor mats and cargo tray | Coverking neosupreme fronts

  3. #3
    Registered Member

    2013 Mazda CX-5 Touring (moonroof/Bose)

    Join Date
    Jan 2013
    I agree. Once you have synthetic oil in an engine, you should stick with synthetic. Also, you might want to request using the 0W-20 as well. The 5W-20 will probably reduce your fuel economy a bit since it will be slightly thicker than the 0W-20.

  4. #4
    Registered Member erhayes's Avatar
    Donated: $10

    Mazda CX-5 FWD Touring

    Join Date
    Jan 2007
    Cape Coral, FL.
    What does your manual recommend for Puerto Rico? I think 5w20 is just fine either with dino or synthetic. USA & Canada request lighter oil due to our fuel mileage requirements. You will never tell the difference between 5w 20 and 0w20 from my experience. Ed

  5. #5
    Registered Member CX-SV's Avatar
    Donated: $15

    2013 CX-5 GT AWD w/tech (Mar'12-Jul'14)

    Join Date
    Apr 2012
    northern CA
    Per owners manual:

    Puerto Rico owners should use SAE 5W-30 engine oil.

    Canada and Puerto Rico residents follow Schedule 2 (shorter oil change intervals).

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