![]() ![]() So far we've had no problems at all using G-05.Īt home I switched our Toyota Camry, Hyundai Elantra, and Chevy Malibu over to G-05 at the 3 year mark. We had run DexCool for four years, but ran into some problems with gasket failures on the Hondas which seemed to be coolant-related, and also found that cast iron block engines that ran low on coolant quickly rusted up. I work with a mixed fleet of cars, including GM, Toyota, Ford, Hyundai, and Honda, and we've chosen G-05 as the "one size fits all" replacement coolant. It handles low coolant levels a bit better than DexCool, doesn't soften plastics, and is reasonably tolerant of hard water. In Europe in the aftermarket BASF sells G-48 as its current replacement for G-05. It is currently used in Mercedes, Chrysler, and Ford vehicles. It is a very low silicate HOAT and contains amines for protection against cavitation erosion in diesels. G-05 was originally developed for use in Mercedes. I doubt you will find much difference in the bearing and seals based on coolant type used. Any part store can open the box and let you take a peak. I would also suggest that you take a look at a water pump from say a company useing Toyota Longlife or Ultra Long Life then look at one useing Dex-Cool and one useing G-05. I doubt all those vechiles had their water pumps redesigned and validated for use with the new coolant. Chrysler went to G-05 after they got bought out buy DB. So I find it odd that so many people would worry about silicates when little stink has been raised buy the green stuff we all grew up on! In fact Ford went to G-05 after it had issues with Dex-Cool. In fact the only coolant that has universaly taken a bad rap for being destructive is Dex-Cool. On top of the above how would anyone ever know if it was truly the silicates that damaged the seal? I mean if the vechile is already high milage you would never be able to say with 100% certainity that the coolant was why the pump failed as they are normal wear and tear type device that sooner or later does wear out. Now bear in mind my family has owned Toyota's since 1979 so that is a long time to go with no water pump failures! In fact the only engine that seems to have a more routine water pump failure issue is onthe 1.8L's used on the Carolla. I can only imagine how many Toyota's that have had rad.,thermostat, heater core or been repaired due to accident that have some unknown bulk coolant in them. Most people that decide to go with non-Toyota coolant end up useing G-05 to avoid GM's Dex-Cool chemistry and still have good availability. The Origanal Toyota Red, Then Dex Cool and now G-05. Right now that 1995 Tacoma is around 200,000 miles and has three coolant in it. Zerex G05 Antifreeze/Coolant is proven to maximize engine life in newer Ford, Chrysler and Mercedes-Benz cars, light trucks and heavy-duty vehicles. Not a one of them has ever had a water pump fail not even the ones that have been with us for 300,000 miles or more. Zerex G05 from Valvoline is the 1 selling OEM-approved coolant brand. I know that all the Toyota's we have owned expect one my current 2003 Camry have never used Toyota coolant longterm. ![]()
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