2 years on coolant and about 750 miles on it.

Heating / Cooling / AC

  1. TRWRacing

    TRWRacing Well-Known Member

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    Green conventional antifreeze 50/50 mix in Chicagoland. Can I wait another year or change it before winter storage this year? 360 LA with new radiator and heater core 2 years ago.
     
  2. famous bob

    famous bob mopar misfit

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    I wouldnt worry about it , just make sure it good for ur areas temps---------------
     
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    • 318willrun

      318willrun Utube channel 318willrun

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      your fine.... make sure it's good for at least 25 below
       
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      • toolmanmike

        toolmanmike FABO MODERATOR Staff Member FABO Gold Member

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        It should be fine.
         
      • inertia

        inertia Well-Known Member

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        If it's clean and green, pH close to 7, good to go.
        If pH is way off, adjust to prevent electrolysis .
         
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        • Dana67Dart

          Dana67Dart Like a fine wine, only getting better with age! FABO Gold Member

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        • 67Dart273

          67Dart273 FABO Gold Member FABO Gold Member

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          Run purified/ distilled water, add some inhibitor once in awhile and run it. "In reality" you should do chemical checks for balance and adjust. DO NOT RUN tap water
           
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          • flingdingo

            flingdingo Well-Known Member

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            Dump it. Coolant breaks down over time and forms acids which attack the various metals in your cooling system.

            $15 for a gallon of antifreeze every other year is cheap insurance IMO.
             
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            • TRWRacing

              TRWRacing Well-Known Member

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              Tested good to -34* 50/50 mix and a ph level of 9
               
            • Dana67Dart

              Dana67Dart Like a fine wine, only getting better with age! FABO Gold Member

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              Looks like your fluid is about as basic as baking soda. Don't know if the is good or bad!
               
            • 67Dart273

              67Dart273 FABO Gold Member FABO Gold Member

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              Horse shit. As I said run purified water, add some chemical stabilizer/ inhibiter if needed.
               
            • Mattax

              Mattax Just the facts, ma'am FABO Gold Member

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            • Mike69cuda

              Mike69cuda 66 is the new 17 FABO Gold Member

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              My cars have always had an automatic maintenance feature. When ever a hose breaks, I change the antifreeze.
               
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              • flingdingo

                flingdingo Well-Known Member

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                Whaddaya think they put in the coolant? That shit breaks down too.
                 
              • MoparLeo

                MoparLeo NRA PATRON LEVEL LIFE MEMBER FABO Gold Member

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                Refractometer is the tool you need.The cost of fluid replacement versus the cost of any possible cooling system damage should make it a no brainer.
                 
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                • RustyRatRod

                  RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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                  Oils and fluids have come a long way in a short time. They have way more modern additive packages in them than they once did. If you run distilled water (like you're supposed to anyway) coolant will last a really long time.
                   
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                  • Dana67Dart

                    Dana67Dart Like a fine wine, only getting better with age! FABO Gold Member

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                    Question...

                    How often do you change your coolant in your modern cars, have you ever changed your coolant? 5 years, 10 years, never?

                    Interestingly the FSM says to "drain, flush, and refill the cooling system once a year... "
                     
                  • RustyRatRod

                    RustyRatRod I was born on a Monday. Not last Monday. FABO Gold Member

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                    Kitty's car is a 2004 Ford Escape. We bought it new in December of 2003. Were it not for the fact we've hit two deers in it during the time we've owned it and it got the radiator both times, it'd still have the original Ford gold coolant in it. The first deer hit I would "guess" was about 2013. When I replaced the radiator then, the first time, the coolant still looked "new".
                     
                  • pishta

                    pishta I know I'm right....

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                    Premixed coolant uses distilled water, no need to add anything. Always thought that was a lazy 100% markup but when distilled water is .89 a gallon at Walmart, it makes sense to buy straight coolant and a jug or 2 of distilled water at the same time. Save your old empty jugs and premix in there. 2 for 1! I doubt the new stuff breaks down in under 5 years or 150k myself. 5 year Dexcool is class action lawsuit SHIT, but the newer OAT/HOAT stuff is way better. Use the green for brass radiators and heater cores. The OA is for Organic Acid, and that does break down over time.
                     
                    Last edited: Sep 6, 2020
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                    • Mattax

                      Mattax Just the facts, ma'am FABO Gold Member

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                      AFAIK every major manufacturer since the mid-2000s has gone to a cooling system that completely keeps the air out. That is a critical for the newer organic acid coolants to be effective. It takes time for OAT & hybrid OAT coolants to build up its protective character in an engine and radiator. Once it does it can last a relatively long time compared to conventional IAT antifreeze. But since our systems are semi-open, the fast acting characteristics of conventional is the best match.

                      http://www.pqiamerica.com/Antifreeze_Coolant_Timeline.pdf

                      Coolant Confusion: It's Not Easy Being Green ... or Yellow or Orange or ... | MOTOR
                       
                      Last edited: Sep 6, 2020
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                      • ir3333

                        ir3333 Well-Known Member

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                        I'll bet 99% of personal autos never get their coolant changed for years!
                         
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                        • MoparLeo

                          MoparLeo NRA PATRON LEVEL LIFE MEMBER FABO Gold Member

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                          Just an FYI. Cooling system failures are and have been the number one cause of auto breakdowns in the US for many years.
                           
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                          • Mike69cuda

                            Mike69cuda 66 is the new 17 FABO Gold Member

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                            I thought General Motors was the number one cause of auto breakdowns....
                             
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                            • sireland67

                              sireland67 FABO Gold Member FABO Gold Member

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                              1:1 if you live where it freezes.
                               
                            • Mattax

                              Mattax Just the facts, ma'am FABO Gold Member

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