7/24/2023 0 Comments Dexcool coolant brownGiven the DexCool is fairly easy to contaminate, this more often than not puts you on a bad start right from go with a conversion. The biggest problem is that you can't flush out allot of stuff from the system. ![]() Others, read the DexCool article at (It's liked to he coolant article in my cave.)ĭexCool isn't a bad product but I still don't recomend people convert to it. 1 - 4.99 %weight Potassium 2-Ethylhexanoate Mixture 100 %weight Extended-Life Antifreeze Coolantġ07-21-1 90 - 96.99 %weight Ethylene Glycol MATERIAL IDENTITY: HAVOLINE® Extended Life Anti-Freeze/CoolantĬOMPANY ADDRESS: Equilon Enterprises LLC, P. Source: (copy and paste it to the address bar.) The reservoir and hose from a 98 Pontiac Sunfire works great. The original Fiero Expansion Reservoir and overflow hose will not work. You need to install a reservoir with a pressure cap to keep air out of the system. One of the most overlooked portions of an older cooling system when converting to Dex-Cool is the Expansion Reservoir. Air CAN NOT enter the system with Dex-Cool Antifreeze. You must flush any trace of Ethylene Glycol Antifreeze from a cooling system before converting to Dex-Cool Antifreeze. Two ounces of Ethylene Glycol Antifreeze, which can be appealing to animals because of its sweet smell and taste, can kill a dog one teaspoon can be lethal to a cat and two tablespoons can be harmful or even fatal to a child.ĭon't want to start a Flame War here, just want to set the facts straight. Propylene Glycol Antifreeze is less toxic and therefore safer for people, pets and wildlife than conventional Ethylene Glycol Antifreeze. The corrosion inhibitors used in Dex-Cool deplete very slowly thus eliminating the need for traditional additives, or frequent change intervals.įACT: Sta-Clean, AmSoil, Seafit, Peak Sierra, and Prestone LowTox Antifreeze are formulated with propylene glycol. Texaco refers to this as Organic Acid Technology (OAT), or Carboxylate Technology. All of these conventional inhibitors deplete after a short time, which is why conventional coolant must be changed every year.įACT: The unique corrosion inhibitor technology in Dex-Cool is based on the use of two organic acids, which are synergistic and combine to form carboxylates. These additives are abrasive to water pump seals, and silicates are especially unstable and drop out of solution and form a gel after time. Dex-Cool is vastly superior to conventional coolants, which use silicates, phosphates, borates, nitrites, nitrates, and amine additives to eliminate corrosion. You should get your facts straight before you make a post like this.įACT: Dex-Cool is an Ethylene Glycol based coolant and has the same excellent anti-freeze and heat transfer capabilities of other standard Ethylene Glycol based coolants.įACT: Dex-Cool contains unique corrosion inhibitors, which are different from anything else on the market. No, Dex-cool is a "propylene glycol" based antifreeze with OAT (organic acid technology) type inhibitors rather than the older silicate based type. (2:13.138 at Sears Point) "Every Man Dies, not every man really Lives"Ĩ8 Formula, Northstar, Silver, In-Progreess. I am sure watts can explain more.Ĩ8 Formula, T-top, Metalic Red. Just look at it drip from one of the guys hands. The stuff in that motor was nothing short of tar. This is a Vid Watt's made of a motor that blew a head gasket using dexcool. Other than new inhibitors, it's EG with a dye. Last, DexCool should still be replaced often, and the 5/100,000mile is a whichever comes FIRST sort of thing. 'New' (like 30+ years old) tech, get used to it allready. Second, DexCool and the green stuff will mix fine, the corrosion inhibitors in DexCool will not work as well though (treat like green stuff.)ĭexCool is designed to run with BarsLeak tablets in many modern aluminum engines. engine needs a complete teardown, inspection and rebuild, with exception of gaskets and bearings, probably can use the rest with 3k miles on it, but I'd recheck EVERYTHING to determine why it failed.įirst off, DUH oil and water bad. Have these guys informed the customer that just wants it cleaned up that the bearing are toast? Coolant EATS bearings. Something caused the headgasket to blow or block or head to crack. Oil/coolant mix equals diahrea in the oil pan as shown, but it's not the coolants fault it got there. That video is showing the results of coolant entering the oil system. ![]() but contamination with air is a bad bad thing. It should mix fine with standard coolant, just looks brown due to mixing dies and you lose the long life they claim. and have ANY air in the system, the Dexcool will RAPIDLY break down. if you've got the same problems everyone else does burping a fiero.
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