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  1. Join Date
    May 2005
    Posts
    6,090
    #1
    Just wondering is it detrimental if I use Prestone Coolant refill to top up the coolant in my forester?

    Anybody have an idea where to buy Subaru Super Coolant green fluid (as indicated in the manual) locally?

  2. Join Date
    Aug 2009
    Posts
    2,071
    #2
    Don't like the pre-mixed supplied by MI? I remember its 7xx for a gallon.

  3. Join Date
    Oct 2002
    Posts
    15,528
    #3
    personally, i would still go for the Subaru Coolant para walang maging problema if ever (i am not saying that Prestone is not that good), pero it won't give the dealer/casa any reason na masisi kung magkaproblema cooling system mo. mura lang naman yan and matagal ang change intervals nyan. sulit na din naman.

  4. Join Date
    Oct 2002
    Posts
    15,528
    #4
    personally, i would still go for the Subaru Coolant para walang maging problema if ever (i am not saying that Prestone is not that good), pero it won't give the dealer/casa any reason na masisi kung magkaproblema cooling system mo. mura lang naman yan and matagal ang change intervals nyan. sulit na din naman.

  5. Join Date
    Oct 2012
    Posts
    27,624
    #5
    even toyotas coolant is priced the same. stick with subi coolant. just call them up.

    is the level below the minimum already? I hope walang leak. ehhehe

  6. Join Date
    Jun 2010
    Posts
    321
    #6
    just top up with distilled water if you're not sure with prestone coolant

  7. Join Date
    May 2005
    Posts
    6,090
    #7
    Actually it used to be on F or full when the engine is cold. Now I noticed there is some decrease around 75%-80% level compared to 100%(new), which is normal evaporation.

  8. Join Date
    Sep 2013
    Posts
    2,543
    #8
    personally, any branded of coolants are just OK. make sure the coolant specs stated in the owners manual should be the same specs as non subaru coolant. I'm sure "majority" of us here are using non casa fluids namely engine oil, ATF/MTF , brake fluds etc...

  9. Join Date
    Aug 2006
    Posts
    614
    #9
    Personally, I just top off with distilled water and wait until the next PMS for MI to re-fill with Subaru coolant.

  10. Join Date
    Oct 2017
    Posts
    3,328
    #10
    I topped up with prestone and haven't encountered any issues.

    Also, you can google it.

    Sent from my SM-G930F using Tsikot Forums mobile app

  11. Join Date
    Jun 2018
    Posts
    10
    #11
    Quote Originally Posted by BlancNoir View Post
    I topped up with prestone and haven't encountered any issues.

    Also, you can google it.

    Sent from my SM-G930F using Tsikot Forums mobile app
    After you topped up, did you end up having more of the Prestone in the coolant container, and kaunti na lang yung recommended coolant? Any issue if that's the case?

  12. Join Date
    Mar 2004
    Posts
    10,314
    #12
    Use ONLY Subaru Coolant ... there are long term effects due to the boxer engine design ... you won't notice the effects short term ... JohnM is right, better to just add distilled water ...

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Subaru Super Coolant Refill?