Dex cool problems

GM still uses Dex-Cool coolant and there is no longer a problem with gasket coolant interaction. So contrary to the ranting, DexCool IS the recommended coolant for GM engine. I just recently saw about the Dex-Cool problems and that is what I have been using in my vehicle since that is the kind that is required from the automakers, Patricia said.

Problems with Dexcool coolant in early GM models due to air contamination. Unsubscribe from DanielJaegerFilms? Vand other Chevy engines and problems are publicized all over the Internet, as well as problems with DEX-COOL. I had no problems , but before I sold the Uplander to my son, I had the Dexcool flushed out and replaced with universal coolant.

The Uplander now has well over 100and had no cooling system problems. Also the newly designed gaskets are supposed to eliminate the previous problems the gaskets experienced. Mixing Dexcool with All color All purpose. Dex Cool replacement - Car Forums and Automotive. To DEXCOOL or not to DEXCOOL?

THE PROBLEM IS THE SOLUTION. Perhaps one of the most important elements in your cooling system is the coolant. The Prestone Long Life says “DEX-COOL approved” so that the car owner car rest assured it will not void his GM warranty. I am guessing that I should flush the system and replace the mixture that I have in there now. Elimination of these additives is significant because many of them are abrasive to water-pump seals.

Chevrolet Impala DexCool antifreeze forms sludge - reports. When that happens, a leak repair is necessary as well as cleaning up the mess. It also can be used in all other cars and light duty trucks that use extended life coolant. Orange vs green: coolant basics you need to know Understand the difference between coolants, and how to look for problems. TV - No long term contract Loading.

Household sharing included. DEX uses OAT, or organic acid technology to extend the service life of the product. GM settles lawsuits over engine coolant problems. Detailed Topics: Dexcool, Coolants and Proper Service. Statistically, there are no less problems with green, yellow, red or any other coolant on the.

The only thing I do not like is a crusty build-up around the inside of my radiator caps and the overflow tanks. No, it does NOT have to be flushed out first. The are completely compatable.

The only difference is that once Dexcool is contaminated with green coolant, it no longer has the silicate free properties of Dexcool. Re: used dex cool coolant. After back-flushing the heater core I found slimy chunks.

Having been bitten by the 3. Dex - cool Gallon Brand May Vary! Generally the head gaskets are reliable on the LT5.

I believe that I have seen a pattern in the failed head gaskets that I have encountered. Why Should I Buy Dexcool Anti-Freeze Instead Of Normal? Flush the system and use the green if you want a cleaner system with less problems. I might be a bit concerned as it has caused problems in those engines.

But an LSX motor which is a 4. Dex cool has not caused any problems. Replacing the gasket and bolts with the updated specs should solve the problem, no matter if you are using dex - cool or regular ethylen glycol. It’s still running fine with over 250k miles.

If any spark plugs are difficult to get to you could always just pull the easy ones to determine when they all need changing based on that. Same goes when mixing with water. It is pre-mixed with Distilled ( mineral-free water ) The problem accures when shops and vehical owners mix tap water with the coolant. The blend contains antifreeze for temperature Prestone 1fl.

Dexcool Frequently Asked Questions Category: Coolants Bulletin No. Uncontaminate the engine manufacturers instruct that it may be kept in service for years or 150miles in cars. AF8at Advance Auto Parts.

If you are experiencing problems with an engine.

Some brown stuff that has been seen comes from leak preventatives. Most mechanical engine problems are caused by which of these? As I stated before even with the green stuff the cars that had problems with dex - cool were still leaking. A radiator shop has said that can happen if air gets into the system.

DEX - COOL is what type of coolant? Link to post Share on other sites. It is a long-life coolant, but is a hybrid between OAT and traditional coolant. Peak Global does not contain 2-EHA either. I know people that use the regular green antifreeze when their vehicle calls for dex - cool.

I dont like dex - cool to begin with. GM has had so many problems with dex - cool. I was always told not to mix them. For example, GM has had problems with dex - cool eating away intake gaskets. Conventional coolant never had that problem.

I imagine a lot of the Dex-cool problems are related to bogus top-offs with incompatible types. And yes, even some dealership service departments will use green stuff and hose water if you ask for a flush.