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You are watching: When did gm stop using dex-cool


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Some world are choose slinkies - not really great for much. But they carry a smile to your face when moved down the stairs.:haha: :haha: :haha:
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According come this,
they began in "95 but I don"t know if they ever before stopped using it. I understand that O"reilley"s is still offering it.
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94 GMC Noma 4.3 CPI auto - under construction01 Trans to be Ws6 - Garage Queen12 ram 1500 CC Hem, stock for now, 17.9 mpg top top avg.
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01 GMC Noma 2.2L auto - SOLD99 blazer 4dr 2wd - SOLDGOIN damaged BUT N STYLE
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They began in the last quarter of 95 and also from climate on, they have been terrorizing GM cooling device parts come this day. You have the right to swap end to timeless green stuff, yet you should flush every one of the Dexcool the end of her system. That"s what I"ll be doing when I get around to doing mine heater core.
01" Ext.Cab sold and also dont miss out on it79" Malibu LQ4/4L70e 1.50 60"07" Silverado 1500 Classic
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so should i do the washing up all my dex cool out? ive watched a couple of threads pop up about dex cool. Ive never heard anything around it. But i dont read around antifreeze either...
It"s all about personal preference. My teacher purged his Camaro out and also now it has normal environment-friendly antifreeze.
01" Ext.Cab sold and dont miss it79" Malibu LQ4/4L70e 1.50 60"07" Silverado 1500 Classic
so must i do the washing up all my dex cool out? ive watched a couple of threads popular music up around dex cool. Ive never ever heard anything around it. Yet i not read around antifreeze either...
Some world have horror stories around lots of brown sludge and also others have actually no problems. I have actually 208,600 on the clock and also the worst point that I had actually was input gaskets had actually to be replaced at about 140,000. My radiator and also everything stays clean. I think the the trick is to keep the tank a little overfilled. The only way to form the brown sludge is to warm up the Dexcool in the visibility of air. If you keep the air out, friend don"t have actually problems. Next time that ns flush, I"m walking to go to Peak global Lifetime.
2008 Saturn sky Red heat Roadster2.0L LNF Turbocharged Motor5 Speed hands-on Trans.
:racing:Custom made Blazer CAI (Click Here)
Look what that does to common hoses. Turns them right into crud. Deathcool demands to... Well. Die.I just removed all the hoses and they are shot on the inside. Millions of cacao bars. Little rectangles. I have seen hoses from constant green use of 25 years and also only a white film on inside and also the cracks wherein on the external mostly.
Some human being have fear stories around lots the brown sludge and also others have no problems. I have 208,600 ~ above the clock and the worst point that I had actually was entry gaskets had to be replaced at around 140,000. Mine radiator and also everything stays clean. Ns think the the trick is to save the tank a small overfilled. The only means to form the brown sludge is to warmth up the Dexcool in the visibility of air. If you store the air out, girlfriend don"t have actually problems. Following time that ns flush, I"m walk to go to Peak worldwide Lifetime.
Actually funny you point out that Yogi, i watched a GM organization How-To ~ above the dex-cool system and it says when the engine is cool, to fill the coolant overflow tank to the "HOT" line and also not the cool line, since air would obtain inside and also sludge the device up.
01" Ext.Cab sold and dont miss it79" Malibu LQ4/4L70e 1.50 60"07" Silverado 1500 Classic
Actually funny you point out that Yogi, ns watched a GM organization How-To top top the dex-cool system and also it says as soon as the engine is cool, fill the coolant overflow tank to the "HOT" line and not the cool line, since air would get inside and also sludge the system up.
Very interesting!That"s usually what i do. The "Hot" heat is mine minimum and also I usually store it a little above that when cold.
2008 Saturn skies Red heat Roadster2.0L LNF Turbocharged Motor5 Speed hand-operated Trans.
:racing:Custom make Blazer CAI (Click Here)
I always overfill mine coolant overflow tank anyway, so that won"t it is in a problem. But I"m flushing my device out next year and putting the pre-mixed 50/50 ingredient in it.

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My family and my cars room my life.:racing: "03 Chevy S-10 ZQ8- The cruiser and also toy #2"10 Mazda Speed3- Toy #1"14.5 Toyota Camry SE- The day-to-day Driver
Dexcool actually reacts gradually with numerous metals including aluminum. It also has a nasty tendance to corrode sealants & gaskets creating said brown sludge & clogging... Causing failures. In fact there is a class activity lawsuit against GM claiming negligence, began by grand Am owners (as it seems many prolific in the 3.4L V6).Unfortunately S collection 4.3"s are classified under team C. View this thread.http://www.sueeasy.com/class_action_detail.php?case_id=215In regards to Dexcool matches Ethyl Glycol (Green stuff). The viscosity and density are almost identical (your to rise tester for ethyl glycol works for dexcool). The idea behind Dexcool to be to add an ext inhibitors to stop corrosion to various parts... The an outcome is they rather corroded the gaskets. Or it appears that way atleast.To switch over to Ethyl glycol is actually no complicated, you just need to be thorough. Drain the whole system, thoroughly flush it through tap water while the engine is to run (splice in a water tap connector ~ above the heater hose). Clean out the overflow tank. Flush the insanity water with deionized water. Then drain that, & include in her ethyl glycol. You must be an excellent to go.I changed my S10 come ethyl glycol (green stuff)
around 68k kms, it now has actually over 200k, and I just purged it again around a month ago. No warm problems, and no leaks yet. Hope the helps.