Questions tagged [coolant]

An alcohol based fluid that is miscible in water and used to remove heat from the engine. Also see the [cooling-system] tag for related components such as the radiator and water-pump.

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Where is the engine temperature sensor located on a Mazda 323?

2003 Mazda 323 Astina, 1.8l, I am trying to figure where the engine temperature sensor is located in the car. How can I tell if it's faulty? I am only guessing it is because the car overheats, the ...
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Oil in coolent on my volkswagen Touareg

The coolant light came on so I took it to a mechanic he flushed it and put knew coolant some special g-12 coolant but the light came on again so I took a look at it and found oil in it . So I looked ...
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possibility of oil entry into coolant tank of figo

What are the possibilities of oil entering into coolant tank ? how to know it withoout seeing tank ? what need to be checked ? what precautions to be taken not reoccur the same trouble kishore
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Consequences of coolant phase change in radiator

Im a Freshman at my Institute in India. In the application form for the Institutes Formula Student Team, I came across these 2 questions, which I'm stumped by. Ive searched for the answers but cannot ...
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Coolant flush - didn't take specified amount of coolant

I did a coolant flush today on my 07 VW Rabbit. The car is supposed to hold 10 quarts of coolant, however both when flushing with distilled water and especially when adding coolant, the vehicle took ...
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Record -0° temp in Arkansas and my '10 Jeep Grand Cherokee is overheating plus heater stopped working

I had a good amount of 50/50 AF but when the temp dropped to record low of -0° my heater gradually went out over several days. I added a little concentrated AF and next day it overheated. Should I ...
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2004 Prius and faulty inverter coolant pump, code P0A93

I bought a 2004 Prius with 270k miles on it about 1.5 months ago. I’m a delivery driver, and drive about 200-300 miles per day. About 1 week after buying the Prius, the code P0A93 popped up for the ...
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Transmission fluid and coolant intermixed in transmission and cooling system. How thoroughly do I need to flush them? Recommended flush technique?

So my 2004 Dodge Neon's transmission cooler failed. (Neons are notorious for this.) This caused transmission fluid and coolant to mix together, both in the automatic transmission and in the cooling ...
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Radiator not fully draining on Kia Sorento

I have a 2012 Kia Sorento SX AWD (that's the 3.5l V6). I am following the instructions in the service manual for replacing the engine coolant, but when I unscrew the radiator drain plug I only get ...
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Mini Cooper S 2010 Coolant leak

my Mini Cooper S Clubman 2010 had a leak from the water pump area. I couldn’t tell where exactly from. I took it to my mechanic and when he saw the leak he thought it was the water pump or thermostat. ...
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2005 Jeep Grand Cherokee Oil/Cooling issues

My son has a 2005 Jeep Grand Cherokee Limited 4.7L he bought several months ago. The other day he was driving and came to a stop and the engine died, and he couldn't get it started back. After ...
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Coolant temps moving fast

My coolant temp goes up quick and keeps going up and down. And ac smells like vinegar. What can I do. On a 2017 Dodge Charger rt
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Why is my coolant brown and overfilled?

I have a 2011 Subaru Impreza, and lately the engine overheat light has been turning on. I stopped driving it. I took a look at the coolant reservoir today. It's full almost right to the top and it's ...
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Coolant in the oil

I was topping off my oil and I accidentally splashed maybe an ounce of coolant instead, is this a huge deal or is a splash okay?
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2002 Honda Civic coolant coming out of coolant reservoir after shut engine off

The car does not overheat and is fine when it is on. Once the car is shut off, sometimes (50/50) coolant will escape from the reservoir cap, it is hot, it looks clean. What could this be? We just ...
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What Coolant Hose should I buy?

1999 Range Rover 4.6 HSE (P38): I have a leak in a coolant hose from the reservoir to the throttle body heating plate. Can I use any heater hose with some hose clamps, or does it need to be the exact ...
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How to properly interpret coolant levels in the reservoir of my van?

I just slapped a new radator into my Ford van (1998 5.4 v8 triton 2 valve). But somethin unexpected is happenin now. You see... I swears I remember before this radator replacement operation, when the ...
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My Solara 2005 showing hot steam coming under hood

I have been smelling something strange over a week and now catch it https://youtu.be/0tv9vBT_oKU It is shooting hot steam and I believe one time I saw a little bit red fire coming out from the right ...
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Unexpected explosion of coolant after new radiator install

I just slapped a new radiator into my 5.4 1998 ford van. I followed the step by steps. Once the new one was in there I was to understand that you just refill the reservoir, then turn on the van and ...
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Coolant vs. air fuel ratio or O2 sensor

If there's a trace of coolant getting into the cylinder combustion chamber what would the effect be on the AFR or O2 sensors fitted to the exhaust pipe? I'm guessing zirconium sensors would read rich ...
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Power loss after driving over 15km (engine hot)

I have a 2010 Opel corsa D driven under 50k km. The car was parked outside for 5 weeks as I was in vacation (outside temperature -4deg to +6deg). As I came back I found a strange problem every time I ...
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Coolant Reservoir: Why doesn't air pressure escape through the overflow hose?

Background: I am in the process of troubleshooting an overheating/coolant problem with my 2005 Chevy Malibu. For what it's worth, I suspect there is air in the coolant lines which is delaying/...
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Coolant empty on Honda Accord with no signs of leakage

I am buying a used Honda Accord 2004 and yesterday I brought it to the garage and the mechanic said that everything is good except that the coolant is empty. Yet according to the owners, the engine ...
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Engine coolant help

Hey I had water on expansion tank as ran out for coolant I have add pre mixed coolant and it sunk to the bottom and is separated from the water that was already existing in the expansion tank is ...
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Coolant level fluctuation

2011 Nissan Xtrail, 2L diesel, 160.000 km. I noticed that while driving, coolant level drops below minimum mark. If i let the engine cool down, level rises to the same mark, almost to max. What ...
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Possible coolant leak?

Over the course of the last 6000km on my FZ8 motorcycle I have noticed a small coolant level drop. I estimated the volume has dropped about 100cc. My motorcycle engine has reached 18.000km ...
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1998 Honda Civic LX coolant spillage after running AC

I ran my car yesterday for about 4 hours and there were no issues. Upon going out to my car this morning, I notice a leak of some sort coming from underneath my car. So I touched it and sniffed, sure ...
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97 Mazda protege coolant boiling over

Why does my coolant reservoir boil over after I shut off the engine? Temp gauge doesn't move while I'm driving. I just replaced the radiator cap. It's better now, but still boils over. I see one fan ...
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Can antifreeze damage exterior paint?

For some background, I was driving my 2010 Mustang behind a pickup truck and all of a sudden there was a TON of smoke and liquid on my windshield/hood. I was lucky to not crash. My best guess is his ...
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Mechanics left the cap off my radiator. Can this cause proven damaged to my engine?

I had a service done on my car I drove my car home (40 min drive) and noticed the heating wasn't working. I checked under the bonnet the next day and there was no liquid in the radiator reservoir and ...
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Burning Rubber Smell

I have a 2015 Chevy Trax. Recently I have noticed that when the car is idling it smells like burning rubber and will only happen after about 10 mins of driving. Living in northern Ontario I warm my ...
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Mixing same color coolant from different brands

My toyota car has toyota pink color long life coolant. And I have topup it with Seiken Hyper long life coolant (pink) since I couldnt find the toyota one. Will it be ok? Both coolant has Ethyl glycol ...
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What makes this coolant brownish looking?

When removing the radiaor cap I beleive the coolant should be a clear colour, in my case a clear pink colour. However looking under the radiator cap, as you can see in the picture, I can see a kind ...
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Prestone yellow bottle coolant vs old green coolant

98 civic ex has always had “green” coolant. Now not sure if that’s original used stuff or what. However I noticed you can’t really find regular old green coolant that uses silicates and had to be ...
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Motor Oil in Coolant Reserve [duplicate]

2004 Mercedes E500 - Yes, I am sure of it. In a moment of stupidity, I added about 8oz of motor oil to the coolant reserve. I have heard nothing will happen and I've also heard it can mess up the ...
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What causes a low coolent temp light to come on a 2012 Honda civic [closed]

My 2012 Honda civic with 19,000 miles has a blue temp light on dash and it seems to be running fine?

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