11/11/2022 0 Comments Dex online st.paulAll properly flushed before installing Dex. Systems with good overflow tanks, that only allow fluid in and out of the system worked much better.Īt the same time GM was having so many problems one of my customers installed Dex in several I believe the cause of the coolant failure was introduction of air into the systems. Personally I don’t believe that mixing different types of coolant was the cause. As mentioned the antifreeze can turn to mud/ pudding.Īlso intake manifolds suffered extreme corrosion, aluminium radiators and heater cores rotted from the inside. Of using Dexcool in especially gm products. I have owned a automotive/ industrial radiator repair shop for many years. My experience has come from the automotive field. We are willing to learn facts.Sorry if you think I’m trashing a product. I always use the same brand/type and if switching then the entire system gets flushed completely before putting the new brand/type antifreeze in.īefore you trash Dexcool which most of us have been using for many years without a single problem, please explain WHY Dexcool is the "worst antifreeze ever". The colors are mostly just dye, so color doesn't really mean squat. Dexcool + green equals gelling and that is bad, but it isn't just green. The most important thing with antifreeze is don't mix types. Any modern antifreeze should be able to handle this. IMO, any silicate free and nitrate free antifreeze will be suitable provided they have anti-corrosion properties that are sufficient. Could dexcool be an equivalent? Sure, but there are also several SB/SI/SL s that basically allude to use of "conventional" antifreeze as being ok. It recommends BASF Glysantin or equivalent. #DEX ONLINE ST.PAUL MANUAL#That said, the rotax owners manual I have does not recommend dexcool. I have over a million miles on dexcool without a single issue. Most problems I am aware of regarding dexcool result from improper mixing of dexcool and "green" antifreeze.
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