In the dakota world they didn't start running the GL5 until 2005 when they went to the new body. Everything before was standard green from the factory and 250K+ miles they don't have any issues. the big thig is don't mix them. The additives conflict somehow (not a chemist) and gel the liquid up. If you do a complete flush from one to another its fine nothing happens except now you have green instead of orange.
Not at all. About 76k on her & she runs good. I just figured that since I'd been running her with Prestone's Green ever since I've owned her (2014) she must be a time bomb! Ha ha!
me experience to burp the 4.7 cooling system, raise the front end about three/four feet (incline) and then add the coolant i use G5 zerex mixed with destilled water and run the engine till operating temp heater full blast, thermostat open. After add some water wetter...and Bingo. Never had any problems doing it this way last twenty two years.
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