![]() ![]() This leakage increased dramatically until a substantial portion of the coolant had been lost. In actual tests, the silicated coolant caused early leakage. Silicates bond to the surface of the water pump seal and act as an abrasive, causing considerable seal erosion and coolant leakage. Extensive research and testing by both Honda R&D and CCI, the manufacturer of the Honda coolant, have proven that the abrasive silicates and/or borates found in most domestic coolants can cause these problems: Some antifreeze, although labeled as safe for aluminum parts, may not be compatible with Acura cooling system components. To meet these needs, Honda engineers have developed a superior, high-quality coolant that has several advantages over the competition. Also, the continual improvements in engine and vehicle design have challenged coolant suppliers to design products that perform well in a more demanding environment. Increasingly severe operating conditions and the advent of lower maintenance requirements have resulted in significant changes in the variety and the concentration of additives used in engine coolant. ![]() Genuine Honda Coolant is the Only Way to Go. While you might not expect the source to be exactly unbiased, it does provide technical information and justification for differences in their formula. Honda has sent the information attached below to its dealers. Recently, several people have questioned whether the coolant (anti-freeze) sold by Honda and Acura dealers is different from the popular mass-market brands. I'd rather not give my money to those bastards if I don't have to. can anybody make sense of it?īTW, for those suggesting "just buy the honda antifreeze", doing it myself, it would cost $10/car with prestone and $40/car with honda antifreeze. Also, anytime you open a cooling system for service, you MUST purge the air out when you’re done to ensure proper cooling system operation.I had already bought prestone to do coolant change on my cars, then I saw this. That said, opening up the system that way might not be a good idea. A side note, I often see those ‘T’ fittings that you put into the system leak. Outside of that, flushing should not be necessary. All that’s required is a drain and refill about every 30K or so. If the system doesn’t have any sediment or debris in it, I would leave it alone. This is really for my own piece of mind, plus I already have a gallon of genuine Honda coolant. I’ve only owned the car for about six months, whereas I’ve no idea if this service been done before. ![]() The current argument provide on another tech site is that tap water from the garden hose can leave corrosive sediments…your thoughts are greatly appreciated. The question is whether it’s okay to use a garden hose to flush out the cooling system, or if it would be best to use distilled water instead. I’m the proud owner of a 94 Civic VX with 234,000 miles on the odometer and I would like to do complete flush and fill. My question relates to the posted topic of flushing and filling a Honda Civic. You provided me with a $1.20 solution for a $350.00 plus problem. Hello Eric:įirst of all, I would like to say,”Thank you”, for the tip you provided on Youtube for fixing a stripped out oil pain.
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