8/23/2023 0 Comments Napa hoat coolantOther users of G-05 have yellow or even blue dye. Chrysler’s G-05 contains orange dye to distinguish it from a yellow dye antifreeze previously used. The US and Japan are on the same page in 2013.Īlso from the link above: "The dye color of antifreeze has nothing to do with antifreeze formula or performance. ![]() It was confusing for a while, but since most of the industry went to OAT you can't go far wrong with any name brand off-the-shelf coolant. Ultimately it isn't the color but the composition that matters. It uses phosphates to replace the silicates. Prestone Regular or 50/50 is a silicate free OAT antifreeze. Evidence shows it reduces water pump life in certain Japanese import cars. So any OAT antifreeze will work in a Honda, but don't use silicate antifreeze in any Japanese coolant system, Honda or otherwise. In OAT antifreeze the silicate has been replaced with phosphates.ĭomestic cars today all use OAT now, with Chrysler the last to switch. There are silicate antifreezes, used in most domestic cars until recent years, and OAT antifreezes, used in Japanese cars because of their domestic market testing. The internet is already full of opinions and hearsay about this stuff, most of which are contradictory. Please provide reliable references for any claim you make. Who should I believe? Will it really result in corrosion if used more than temporarily? This patented formula provides a high degree of performance durability and carefully balanced protection against temperature extremes and rust corrosion of all cooling system metals, including aluminum. Prestone® Extended Life Antifreeze/Coolant is compatible with ANY antifreeze/ coolant – regardless of color – for use in ALL makes and models of cars and light duty trucks. On the other hand, Prestone claims their green coolant is harmless: €¢ debris (particles) floating in the coolant.įurther inspection by the technician may find corrosion in the system.My car's manual says to use the blue Honda coolant: €¢ accelerated corrosion within the engine and cooling systems. For heavy duty truck and extreme duty cycleĪpplications refer to the Service Information or Owner's Manual for proper maintenanceĬAUTION: Vehicle Damage may occur if dissimilar coolants are mixed!Ĭoolants of different technologies are not compatible nor interchangeable (OAT, HOAT or Service interval of 10 years or 150,000 miles. This new coolant is an Organic Additive Technology (OAT) ( Vehicles and beyond, for all engine applications except the ones listed in the note above. has released a new engine coolant for the 2013 model year NOTE: This bulletins applies to all vehicle listed above for every engine applicationĮXCEPT the 2013 MK equipped with the 2.2L Diesel engine (sales code ENE)Īnd the JC vehicle equipped with the 2.0L Diesel engine (sales code EBT).Ĭhrysler Corporation LLC. We've had this discussion prior, it ended in a locked thread my warning is valid.Īttention! Release Of New Engine Coolant Organic Additive Technology (OAT)Ģ013 (DP) Ram Truck (4500 / 5500 Chassis Cab) During the PBI prior to delivery of the vehicles, even topping off the coolant overflow tank with a small amount OAT when a vehicle called for HOAT, or vice versa causes problems. Even if you flush the cooling system, if there is a little of the HOAT remaining it will cause problems, in fact Chrysler has issued TSB's warning their techs about this. G-05 is HOAT they will not mix w/o causing a problem. Mixing G-05 with OAT is a formula for disaster. The OPs cooling system calls for OAT coolant. I am 99.44% sure it is fully compatible with the original pink coolant. ![]() Zerex G-05 by Valvoline is a HOAT that I use in my Mopar built VW Routan.
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