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2009 4cyl: why thicker oil for colder climate and thinner for warmer ?

Discussion in '4 Cylinder' started by petyanca, Jun 28, 2010.

  1. Jun 28, 2010 at 7:28 PM
    #1
    petyanca

    petyanca [OP] Well-Known Member

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    I'm getting ready for my first oil change and the manual says to use 5w-20 (oil is thicker when engine is cold) for colder climate and 0w-20 (thinner when engine is cold) for warmer climate. If I had to guess I'd use thinner oil in cold climate and thicker in warm climate. Why do they recommend it other way around ?

    PS. Does anyone know where do they sell 0w-20 mobile 1 in 5qt jugs ? I checked 2 walmarts and it wasn't there.
     
  2. Jun 29, 2010 at 1:49 PM
    #2
    zuter

    zuter Well-Known Member

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    2nd filter, undercover, debaged, bug deflector, more to follow!
    While don't have my manual in front of me I believe it's as you suspect. I lived in Canada and the thinner oils are used during winter months and thicker in summer.
     
  3. Jun 29, 2010 at 2:25 PM
    #3
    petyanca

    petyanca [OP] Well-Known Member

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    Manual has a chart where they say if its bellow something like 40F use 5w20, and if above 40F use 0w20. I'm just trying to understand why.
     
  4. Jun 29, 2010 at 5:24 PM
    #4
    Barnone

    Barnone Guest

    Looks like a typo to me.
     
  5. Jul 1, 2010 at 9:05 PM
    #5
    JudeLeBlanc

    JudeLeBlanc Active Member

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    yea its the other way around, also i cant find 0-20 in 5 qt so i got 5-30
     
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