8/16/2023 0 Comments Heavy duty green coolantThese liners tend to vibrate under heavy duty operation. This means that the coolant directly contacts the outside of the cylinder liner. In order to improve heat transfer, many diesel engines use wet This is especially important to reduce cavitation in diesel engines.Ĭavitation is an important consideration in diesel engines. To the mix to provide adequate protection. ![]() However, if a low silicate coolant is used in heavy duty applications, Supplemental Coolant Additives (SCAs) need to be added A universal coolant will contain enough silicate for automotive use but keep it low enough to allow it to be used in heavyĭuty applications as well. This is controlled by adding silicates to automotive coolants while a coolant designed for heavy dutyĪpplications is low-silicate. The biggest difference between automotive and heavy duty coolants is how muchĪluminum corrosion protection they provide. Three basic types of coolants - automotive, heavy duty, and universal. What about diesel engines? Heavy duty engines, such as diesel engines, require a heavy duty version of coolant. It's best to look for the "Global" ELC coolants because they will be more Some manufacturers have specific requirements so notĪll ELC coolants are universally accepted by every manufacturer. In anĮmergency, coolants can be mixed but be sure to have the system properly serviced when time permits. It's best to flush the old coolant out before replacing with the new ELC. Will not get along all that well and your corrosion protection will suffer. Because the chemistry is so different, it's not advisable to mix the two coolants. Even though theĬoolants themselves are compatible, the additives are not. That's why the 2 year life expectancy jumps up to 5 years with ELC coolants. Have a greater life span than the traditional inhibitors. The ELC coolant removes these and replaces them with organic salts. Traditional coolant uses non-organicĬorrosion inhibitors, such as silicates, phosphates, and borates. These additives are a small percentage of the coolant but they play a crucial role in maintaining your cooling system. The biggest difference is found in the corrosion inhibitor additives. The boiling and freeze points will remain identical in either. So, what's the difference? The majority of modern coolants is identical, whether the traditional coolant or the Extended LifeĬoolant (ELC). It was quickly adopted by other manufacturers and is widely available - know as ELC, or Extended Life Coolant. This was a "maintenance free" coolant purported The pink stuff was introduced by GM in the late 90s and called Dexcool. As a rule PG coolant isn't widely used because it costs more and the only benefit is that it isn't It's coolant protection will be identical to EG. ![]() Because Ethylene Glycol is highly toxic, a trend has been to use Propylene Glycol in it's place. For this reason it's recommended to change your coolant every other year under normalĭriving conditions. When this happens, excessive wear on the water pump will occur, you'll see more mineral depositsĬlogging the radiator core, and corrosion will speed up. These additives will eventually wear out. While the coolant will generally retain it's freeze protection and raised boiling point, Additives will be found in these coolants to inhibitĬorrosion and lubricate water pump shafts and seals. Water will give freeze protection down to -42° and will raise the boiling point to 265° F. ![]() The original green stuff is Ethylene Glycol anti-freeze, the stuff that's been used for years. Understand what these needs are and what types of coolants exist. Except diesel engines have greater cooling requirements than gasoline engines so we need to better If it's an older vehicle use the "green stuff" and if it's newer, One of the most asked questions by RV owners is "What kind of anti-freeze must I use in my engine?" In theĪutomotive world this is a fairly easy question to answer. Library Contents Search the Library RV Tech Library Help Page Site Map About Us Tiffin RV Network TRVN Classifieds Campground Reviews Photo Gallery TRVN StoreĪppliances Batteries Boondocking/Dry Camping Chassis Clubs & Forums Electrical Electronics Engines Exterior Maintenance Generators Heating & Air Conditioning Interior Maintenance Misc Items Operating Tips Plumbing Red Bay Safety & Health Storage Supplier Contacts Tires and Wheel Rims Towing Transmissions Weighing RV Tech Library - Diesel Engine Coolants Tiffin RV Network Home
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