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What Coolant?

in 912 / 914 Technical Questions 6 years ago
What Coolant should I use to top off my Sling’s 912:ULS? It looks more pink in color than orange. Is it Dex-Cool? I did add some distilled water, after I noticed it at the minimum mark after my coast to coast flight.

I want to keep a bottle of “whatever” should I need to add more in the future.

  • Re: What Coolant?

    by » 6 years ago

    Yes they have pink coolant. It was usually automotive OEM stuff, but it's out there. If you need to top off use more pink or distilled water. I wouldn't mix this with others.
    Or you could drain it and add some regular Dex Cool 50-50 (extended life (orange). Up to you.


    APPLICATION: Asian automotive and light duty vehicles requiring a phosphate based OAT engine coolant

    VEHICLE MAKES: Lexus, Toyota, Scion

    FORMULATION: Ethylene glycol based. Silicate, borate, nitrite & amine free

    PRODUCT COLOR: Pink

    SPECIFICATION/PERFORMANCE LEVEL: ASTM D3306, JIS K2234

    RECOMMENDED CHANGE INTERVAL: 150,000 miles* or 5 years of service protection

    COMPATIBILITY: For best results, do not mix with conventional high pH, borate or silicate based coolants.

    PERFORMANCE FEATURE: Aluminum Compatible

    PRODUCT OPTIONS: Concentrate & 50/50 Pre-Diluted

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell

      
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  • Re: What Coolant?

    by » 6 years ago

    Thanks Roger. I think I’ll just add distilled water for now. I found OEM here : http://www.recochem.com/us/products/automotive_coolants_antifreeze/oem_extended_life_pink_antifreezecoolant

    A location search shows several places to purchase near me. Now, should I go concentrate or 50-50 pre-mix?
      
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  • Re: What Coolant?

    by » 6 years ago

    50-50

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell

      
    Report

  • Re: What Coolant?

    by » 6 years ago

    SlingPilot,
    We had a lively discussion about coolants a while ago.
    You might want to read that thread.

    https://www.rotax-owner.com/en/rotax-forum/4-general-discussion/6131-coolant#15749

    Bill Hertzel
    Rotax 912is
    North Ridgeville, OH, USA
    Clicking the "Thank You" is Always Appreciated by Everyone.

      
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  • Re: What Coolant?

    by » 6 years ago

    SlingPilot,
    We had a lively discussion about coolants a while ago.
    You might want to read that thread.

    https://www.rotax-owner.com/en/rotax-forum/4-general-discussion/6131-coolant#15749


    Yes, thanks Bill, I’ve read that thread. My issue is, I’m trying identify the antifreeze in my aircraft. I know the type, 50/50 mix, but nowhere in either the plane maintenance or Rotax manual does it list specific manufacturer. Rogers answer put me on the right track. For now I’ll just be adding distilled water. The factory is closed for the holiday, I’ll reach out to them when they reopen. I want to keep a gallon or so on hand.
      
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