![]() ![]() I drained my radiator today and as I was refilling it from the jug I noticed that there was some kind of salt collecting inside near the mouth of the bottle. The remainder was stored in the original jug in a room temperature closet since then. I have some Zerex Asian Coolant that was opened about 8 years ago (and a quart of it was used). I then poured more coolant from the jug thru a strainer and saw more of this substance. cups of the Zerex coolant I noticed white flaky material in the bottom of the cup. Watch out for that Zerex Asian Formula Coolant.Īfter pouring in a few 32 oz. I noticed that if you refill pouring straight out of the jug, you may not notice this foreign material in the coolant. ![]() to about half the total I spent on the 2 gals., so I may just chalk it up to a bad batch and move on. to get a sample kit from them and they want me to pay the return shipping which will amt. I opened an issue with Valvoline that night - got a response the next day and paraphrasing was told there should be no matter visible to the naked eye in their coolant. Local dealer was still open so I grabbed sufficient SLLC, flushed as best I could with a hose and refilled with SLLC. ![]() I normally just pour from the coolant jug, but got anal as I wanted to know exactly how much went back in during this first change/refill. of Zerex Asian Formula - red label - to use as a replacement. A little different story than the other Zerex coolant threads.Ī couple of weeks ago I changed the factory fill coolant in my '15 Tacoma 4.0L - it too uses Toyota's SLLC. This is an old thread, but I do not like starting redundant ones, so I'll post what I have to say here. I didn't do in depth analysis on this but wanted to post my observations and pics for others to use as a reference when looking at the same issue. I will be doing a second drain and fill next weekend, and then do one drain and fill every year as preventative maintenance to keep the coolant fresh. I used Toyota SLLC and did my first drain and fill (1 gallon). I'm sure the Zerex Asian would work fine but with the price difference being only $6.00/gallon there was no reason for me to cut that corner. I would not mind using the Zerex Asian if i was doing the total flush but I did not want to mix the two and leave it like that long term. I bought both but ended up returning the Zerex Asian. Toyota Red and SLLC were said to be compatible and backwards compatible with Pink being the new and improved version. I found many people who said using Zerex Asian was ok, however most of them stated they were doing a full flush of all the antifreeze and not just doing a drain and fill or topping off their existing Toyota Coolant (Red or Pink). Both have the the same temperature ratings. The main ingredients are similar but there are definite differences in the two compositions. I just wanted to post some pictures, prices, and the ingredients of both to give further resources to those looking at their options.Ģ) Ingredients: Ethylene Glycol (107-21-1), Water (), Diethylene Glycol (111-46-6), Sodium Benzoate (532-32-1), Corrosion Inhibitors, Defoamers, Dye, and Bittering Agent.ģ) Engineered by Valvoline for Asian Vehicles (Nissan, Honda, Toyota, Hundai, Mitsubishi)Ģ) Ingredients:Water (), Ethylene Glycol (107-21-1), Diethylene Glycol (111-46-6), Sebacic Acid (111-20-6), Potassium Hydroxide ().ĥ) Price: $19.00/gallon (At local Toyota Dealer) One that typically came up was the Zerex Asian sold at NAPA. I read up on a lot of forums concerning the use of alternate coolants instead of using Toyota SLLC. I just wanted to refresh the coolant already in my system. I plan on doing 2 or three drain in fills over the course of the next three weeks. I did not want to do a complete flush, just a drain and fill of the radiator. I needed to do a drain and fill on my 04.
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