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| # | Post Title | Result Info | Date | User | Forum |
| Answer to: Coolant flush dark | 20Relevance | 6 years ago | reddevil1321 | Submit Your Question HERE | |
| @knucle-draggerno that is not normal. your coolant should come out clean after 3-5 times drain and fill. scotty has a really good coolant flush video, where he only uses water and removes the thermostat and drives the vehicle for a day, next day, it comes out clean. if you have youre coolant really dirty, the only way is to keep cleaning it with water. here is the video. also use 50/50 coolant. i used full concentrated 1 time and my whole engine got corroded in 2 days, i had to get rid of that car unfortunately. and use only original for coolant, oem check with your dealer, dont add tap water, add coolant if you need to pour more. | |||||
| 2015 Mazda 3 Coolant Change | 20Relevance | 6 years ago | Shane1962 | Submit Your Question HERE | |
| I have a 2015 Mazda 3 manual transmission. I saw Scotty Kilmer say I should change my coolant every 7 years or 150,000 miles. I bought coolant says its made for Asian cars HOAT its pink in color. I drained the coolant in the radiator and refilled it with the 50:50 premixed Asian coolant but it is a different color than what was already in the radiator. Not sure if the old stuff was OAT or HOAT coolant. I know a drain does not remove all the old coolant. Will my car be alright? | |||||
| Poured wrong coolant into newly-purchased car | 28Relevance | 5 years ago | Shopping4aCar | Submit Your Question HERE | |
| Hi Scotty et al., I followed you guys' advice by purchasing the 2017 Acura against the 2018 VW Passat last month. I just learned from reading my car service manual & from one of your videos that there is a specific coolant for Asian cars. When I inspected the fluids (oil & coolant), I found out that the coolant reservoir is below the minimum. I still had my old jug of coolant from my previous car. Not knowing that there is a specific coolant for Asian vehicles, I added the old coolant that's not only probably at least 10 years old but also not specific for my 2017 Acura ILX. My question is, should I drain & flush the coolant and replace it with the right coolant? Will the coolant still dissipate engine heat even if it is very old? Thanks in advance. My current mileage is 7,158 mi. When I purchased the car last month, it was at 6,528 mi. Rolly | |||||
| Answer to: Coolant in car | 28Relevance | 5 years ago | MountainManJoe | Submit Your Question HERE | |
| Hi, i was woundering about cars coolant and can i fill it myself? Absolutely. It's very easy And is it that the coolant comes in green and redish color only? coolant comes in a whole rainbow of colors. It's just dye that's added for easy identification. And is it so that if the car has that redish looking coolant color then u add more of that redish color coolant? Exactly. Hopefully, what you have is the same as what your manufacturer recommends. (owner's manual) Green and red color coolant could not be mixed together right? Only that same color coolant? You should not mix coolant types. (silicate or IAT, OAT, and HOAT). The color should give you a pretty good hint. (why they made it the same color as rust is beyond me) | |||||
| 2009 W204 C-class Coolant | 28Relevance | 6 years ago | Penn King | Submit Your Question HERE | |
| Hey Scotty, I hope all is well. I have an 09 Mercedes W204 C300 AWD that I received as a gift from a relative. It might need some coolant as the light did come on once but went away and hasn't returned since. It already had green coolant in it from when I received it (I think its that "all makes and models" coolant but I'm no sure), but I was told that Mercedes coolant is usually blue. In addition, I'm noticing what looks like some "dirt" in the coolant tank, but I think that might have come from the coolant cap (I'm hoping this is not signifying potential engine deterioration). I don't know how long the green coolant has been in the car but the car seems to have been running relatively fine on the green coolant, and I've driven it on a few long trips. I haven't found a green European car coolant yet (if such a thing even exists). What's your theory on this? Thanks | |||||
| Answer to: Honda Accord 2015 ex-L (dealership 74k miles) | 27Relevance | 6 years ago | OldRangerNut | Submit Your Question HERE | |
| It's not recommended to mix different types of coolants. The following comes from your owners manual, page 505. NOTICEIf temperatures consistently below −22°F (−30°C) are expected, the coolant mixture should be changed to a higher concentration. Consult a dealer for more information.If Honda antifreeze/coolant is not available, you may use another major brand non-silicate coolant as a temporary replacement. Check that it is a high quality coolant recommended for aluminum engines.Continued use of any non-Honda coolant can result in corrosion, causing the cooling system to malfunction or fail. Have the cooling system flushed and refilled with Honda antifreeze/coolant as soon as possible.Do not add rust inhibitors or other additives to your vehicle's cooling system. They may not be compatible with the coolant or with the engine components. Pretty vague, isn't it. Here's a link for the Honda OEM coolant. | |||||
| Answer to: Lotus Excel | 20Relevance | 5 years ago | MountainManJoe | Submit Your Question HERE | |
| please use the search box to see if your question has already been answered | |||||
| Answer to: 96 ford ranger | 20Relevance | 5 years ago | Chuck Tobias | Submit Your Question HERE | |
| The only time you want to use straight coolant is if you're using one of the special waterless formulations like evans. If you've filled your cooling system with 100% regular antifreeze, drain 1/2 of it out and fill back up with distilled water. | |||||
| Answer to: Subaru 2008 impreza automatic after a short drive my coolant is gone after a few hours my coolant is gone empty i have to put coolant to get from a to b what is the issue ? | 20Relevance | 2 years ago | Shanelabbe03 | Submit Your Question HERE | |
| Well if your leaking coolant figure out where it’s leaking coolant, but considering it’s a Subaru, it’s probably getting coolant pushed into the cylinders from either a cracked block or a bad head gasket(s) | |||||
| Answer to: Should i top off coolant or do a flush? | 17Relevance | 1 year ago | Chuck Tobias | Submit Your Question HERE | |
| Since the coolant has already been in there for 8 years I would go ahead and change it with Toyota OEM coolant. (10 years is a bit optimistic.) You should be able to find Toyota coolant at sources other than your local dealer for a lower price. You don't want to mix coolants with differing chemistry. The color is just a dye that's added and you cannot depend on it to identify the coolant type. However if your coolant reservoir is almost empty that implies that you have a leak somewhere. You might want to pressure test your cooling system or use some UV dye to check on that. | |||||
| Vehicle runs hot | 27Relevance | 2 years ago | ataylor1279 | Submit Your Question HERE | |
| Hi Scotty, I would most certainly appreciate your professional opinion on a big issue I’m having with my truck. Back in March of this year my vehicle ran hot and discovered that it was something going on with my coolant and to take it in to it looked at. I was due for an oil change so I took it to the dealership. Told them what was going on so we did the oil change and coolant flush. Immediately after doing those services they noticed my oil level was not staying to where they filled it and said that when they drained my coolant it did have oil in it. So they said leave it here so we can get it looked at and figure out what’s going on. They decided that it was the oil cooler that needed to be replaced and they did. I pick up the vehicle and notice just a couple days later that something is going on with the coolant. I take it back and get told it’s fine and they just add more coolant. About a month goes by and still same issue, I take it back and get advised to leave it there as it would not be safe to drive with something still mixing with the coolant. Get the call from the dealership a couple days later saying i need a new engine. The new engine gets put in in June, I pick the car up June 28th and AGAIN have to take it back for the SAME THING…. After this visit of them keeping the car for about a week I get told it’s just “residual” going through the system and just drive it another 1,000 miles and come back to get the system flushed out. I knew that doesn’t sound right so we went back and forth through text messaging. They decided to do another flush and said my car will be ready after the weekend. I JUST picked my car up again this Tuesday July 16th and was told again to drive the car for over 1,000 miles and come back for another flush. As I get off work the next day, drive my vehicle 3-5 minutes from my job, car runs hot again and dash tells me coolant temperature too high. I IMMEDIATELY head right back to the dealership. I’m at my wits end with them not properly fixing whatever the issue is that is causing something to be mixing with my coolant. I also want to add I had to take my car into Midas to get my battery checked out because I had been having problems with my car starting and they were the ones who did my battery 10 months ago. While they’re looking into the battery issue my car runs hot. So I give them the run down of what’s been going on with the car for the last couple of months and the work that has been done. They check out the coolant and immediately they were in disbelief of how incompetent the dealership was being. The two mechanics at Midas believe it is transmission fluid mixing in with the coolant. So he put's my car up on the lift to check out the the transmission fluid and it was pretty much empty and what he did get out was nasty and dirty, dark brown. And I explained to him how the car had been driving funny and he said it’s because you don’t have any transmission fluid. They were totally flabbergasted. They said you take this car back to them first thing in the morning. And I did. They now have my car to figure this out again, SMH!! The mechanic at Midas said that is most likely the transmission oil cooler that needs to be replaced. At this point I just want them to correctly diagnose what the problem is and fix it. I’ve been having the same issue since March and they still have not fixed what the actual cause is. I’m sorry for the extra long story but I had to make sure I get everything I can in here so you can give your opinion on what I need to do and what is it that they are not properly doing. | |||||
| Answer to: Coolant in all 4 cylinders from cracked coolant hoses | 26Relevance | 2 years ago | Justin Shepherd | Submit Your Question HERE | |
| You seriously blew the head gasket if you have coolant in the combustion chambers. If there's enough coolant intrusion into the combustion chambers, the car won't start -water and ethylene glycol don't combust. You may have warped the heads. | |||||
| Answer to: 2010 Mazda 3 Coolant change only half of coolant changed | 26Relevance | 6 years ago | Figmund Sreud | Submit Your Question HERE | |
| Most likely, what you two did is OK, … and everything will be just fine. That said, in general terms, … and I mean general, the best one can do is to have a good quality, long life, coolant in cooling system that is 50% concentrate and 50% distilled water - by volume. Mazda coolant is recommended by Mazda, of course, but good quality long life coolant by a major brand formulated for “Asian” vehicle is OK. (I’m assuming here that you used Mazda 50/50 premix!) Now, a general comment: It is recommended that one just use a 50/50 premixed coolant to fill a cooling system, … but remember, when one changes coolant - as you did, you use tap water to flush it out clean, first, … than you drain it all out! Problem, however, is that cooling system actually can not be drained completely - as you found out, and so there is a significant amount of tap water in there - trapped! And, now, if you just pour 50/50 mix to the radiator, you will end up diluting that 50/50 premixed coolant to something less than 50% antifreeze. Will that result in significant dilution? It’s tough to tell, … and so, I will just tell you what I do instead to assure a 50/50 concentration: I find out what is a total capacity of my cooling system, … than I divide that by 2. Next I pour that 1/2 of volume of full concentrate into the radiator, … than I top up the rest with distilled water. Mission accomplished, … sort of. Than, I warm up the car, … check level, … top up expansion tank with distilled/concentrate if needed. Done, … car overheat, corrosion protected, … coolant freezing protected down to ~ -35 deg. C. F.S. | |||||
| Should i top off coolant or do a flush? | 17Relevance | 1 year ago | Framecube | Submit Your Question HERE | |
| I have a 2017 toyota rav4 with 56,582. I noticed the coolant reservoir is almost empty and wondered if i should just top it off or do a flush? The manual says to replace the first time at 100k miles or 120 months. Also which coolant should I use? Do I need to get the toyota dealership coolant or can I use the Prestone platinum red fluid that says its good for toyotas which i already have and use that to top it off? I do not know if mixing different brands of coolant but it have the same type/color is okay to do. I would also like to know if coolant being that low normal? I haven't seen any signs of leaks. | |||||
| Answer to: Overheating and coolant leak | 25Relevance | 1 year ago | Chuck Tobias | Submit Your Question HERE | |
| If that upper oil pan has coolant passages in it then that would be where the coolant is most likely coming from. If it does not have coolant passages then the only way coolant would get to that area would be by mixing with the oil somehow. This could be due to head gasket, cracked head or block, or failed oil cooler if cooled by the engine coolant. (The latter is a common failure in BMWs, don't know if it applies to modern VWs. The only VWs I've worked on personally are the old air-cooled variety.) Another area where coolant can get into the oil would be failure of an internal water pump, but looking at that part for your car at rockauto.com it appears to be an external type driven by the fan belt. You can find a repair manual for your car in the link below. I could not find those details with a quick look but maybe you'll spot some detail(s) that I missed: | |||||