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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24 views

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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Why would a mechanic crank heater to maximum

This is a curiosity question. I recently had the timing belt, tensioner and water pump replaced on my Honda Odyssey. When I picked up the van it was really hot inside but I didn't think much of it. ...
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Confirmation of coolant valve on a Ford Focus

I'm prepping a radiator coolant change on a 2014 Ford Focus, and would like to confirm if the valve with a 1/2" diameter pipe shown in the picture is the one that needs to be turned to release ...
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2004 Chevy Tahoe burning oil & coolant, smoking, and turning oil to jelly

I have a 2004 Chevy Tahoe with about 180k miles. Its really taken care of with regular maintenance. Recently after driving 30min on the highway, the next time I turn it on white smoke comes out the ...
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Two Questions Regarding Issues With my Subaru SVX Cooling System

I have a 1996 Subaru SVX with a leaking heater core and I wanted to know or confirm two things. First of all, I started the car and allowed it to idle up to warm and fluid levels were normal. I came ...
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Coolant flows straighr from rad to muffler?

Had my 2008 pathfinder towed last week it broke down and I thought it was a starting issue due to corroded post clamps, replaced those and it runs, but... now filling the rad the fluid runs straight ...
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Can salt water be used in place of antifreeze?

The key feature of antifreeze--as the name implies--is that it doesn't freeze. When I was a kid, my Dad used to use just plain water in the radiator of his 1967 Oldsmobile Cutlass during the summer. ...
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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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BMW 2007 530xi starts and dies after a few seconds

A few days ago I replaced my upper coolant hose due to a leak. After replacing the hose, I decided to pour distilled water in the coolant reservoir ( so that I don't just waste any coolant ) just to ...
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Coolant level fluctuates too much

I have a problem with the coolant level from my car (Renault 1.5 dCI engine). It fluctuates too much. I left home with the coolant level at the minimum mark. After approximately 10 minutes I stopped ...
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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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Can I add food coloring or color dye to the cooling system? (UV dye won't help my situation)

Context: My 2004 Dodge Neon's transmission cooler failed, causing the transmission fluid and antifreeze to intermix in both systems. I replaced the radiator, thoroughly flushed the cooling system, and ...
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Coolant and How much

I was wondering how much coolant my 2014 Chevy Spark LS needs. I have one gallon in my garage but is that enough.
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Can I add 50/50 to plain water

First don’t make fun of me! My car has plain water in it now and I just changed the thermostat. I can’t change the fluid on my own. Is it okay to top it off with 50/60 antifreeze even though the car ...
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Bizarre Lack of Heat From Heater Vents - 2010 BMW E91 318d

I have an issue I'm struggling to pin down with my 2010 318d 3 Series Touring: All air vents blow cold or at best, luke warm air into the passenger compartment, even on long journeys when the vehicle ...
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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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Can I use Prestone with already filled blue color coolant in Nissan Qashqai J11 Diesel 130ps in Germany

Update: I sent an email to Nissan Car delear from where I bought my car. I also called them and they redirected my number to the mechanic. He said that I could use any coolent but not red color ...
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2010 Subaru Forester xt coolant spilled and engine keeps overheating

I bought a Subaru Forester xt recent only had it for bout a couple of days car was running great till today I had put some power on the highway and went only one exit as I got to a light I notice my ...
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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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Can I get by without a coolant drain bolt washer in my 1997 accord

I just did a huge timing belt and seals job that included replacing the coolant in my 1997 accord with the f22b2 engine. The drain bot washer fell out, and I didn't notice it, so I put back the drain ...
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Anti-freeze to use on an old classic truck 1953 International

What type of anti-freeze should I use on my 1953 international pickup truck with a stock radiator?
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67 views

Coolant Leak/Bubbling/Whistling

New here! Will say right off the bat car knowledge isn't my strongest suit but i've been trying to tackle my latest problem. I've got a 2004 Ford Fusion. About a week ago when parking up i noticed a ...
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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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Buying the correct antifreeze type for my engine

I'm looking to flush and re-fill my cooling system, and I'm struggling to work out exactly what type of coolant I need to buy. My maintenance book says I need 'Ethylene glycol-based antifreeze with a ...
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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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06 Ford Focus Automatic chugging in hot weather, showing below minimum coolant. add water, or risk the drive?

I have a 2006 Ford Focus Automatic which is chugging in hot weather and seems to lose some power. I'm hoping, but I am in no way mechanically minded(!), that because it is showing below minimum ...
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54 views

Can I remove freeze plugs and put hose into water pump forcing some debris out or block? Or?

1953 Plymouth Cambridge Flat head 6 engine. Nothing fancy or modifications done. All orginal. Got car running/driveable but it sat outside for about 15 years under a tree before I bought it.
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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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Losing coolant daily, but not overheating

I drive a BMW Z4 2003 with 93k miles and I noticed for the first time the other day the coolant fill up light go on when I was driving. I checked the coolant level and it was bone dry. so I filled it ...
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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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Is this shop trying to take me? [closed]

hi hello greetings and salutations, oh... and HOWDY, yawl. Just acquired me a used and mysterious 1998 5.4 v8 ford van. I didn't know much about it other than it was runnin ok, I guess. Took her to ...
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Hows come upper radiator hose is so hot? [closed]

I'm bubba. I got a 5.4 v8 ford van from 1998. I just replaced a cracked radiator on it. But now, I swear my upper radiator hose is hotter than it outta be. My odb-ii computer scanner says the ...
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What if I added a little tap water to the engine coolant?

I had my engine coolant level at "below LOW" and I was sure there is a leak. So I added 0,5l of tap water (full capacity of coolant is 5l) to check for the leak. It turned out it is not a coolant leak ...
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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 confusion - What type of coolant to put in this thang?

Just slapped a new radiator in my trusty steed -- a ford e150 1998 with a 5.4 in it. I drained the old radiator slop out like your'e supposed to... but half the old stuff is still sittin in the ...
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162 views

Does antifreeze color matter?

I have a 2013 Kia Rio with an antifreeze that I don't know the formulation or brand, only that it is light green coloured, and wanted to change it. Do I need to buy a light green color too or can I ...
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White Smoke and Engine Coolant Light

I’ve just been in traffic for around an hour and my engine coolant light came on. As I couldn’t pull over anywhere there’s no way I could turn off my engine for a good amount of time(nightmare). The ...
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Empty radiator, engine temperature fluctuating

Hi and thank you in advance, I have a 2005 honda civic ex, everything stock. My engine temperature gauge has been fluctuating, mostly in city, on highway it stays in the middle range. Here is what I ...
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I've got oil in the coolant, but no coolant in the oil - Renault Twingo RS

I just checked the fluids of my Twingo RS and made de discovery that there is oil in the coolant. So naturally i thought headgasket. But there is no coolant in the oil, no smoke out of the exhaust, no ...
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Polo 6 1.4 overheating at low speed and idle

Polo 6 1.4 2012 model overheat at idle or slow speed. When i drive in traffic it overheats. If I drive fast, it immediately starts to cool down again. I took it to the mechanics, they diagnosed and ...
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1976 Leyland Mini engine block coolant is blocked

Was doing routine radiator flush after engine overheated while on longer trip. Hasn't overheated on around town trips. Radiator coolant was clear green with no lumps or other material coming from ...
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How does water in the radiator not boil?

I have been wondering why exactly is it that water in the cooling system of a car does not boil. The boiling point of water is 212 F, and normal engine operating temperatures can get up to 250 F. ...
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Measuring coolant flow in a radiator

My question goes like this: suppose that I suspect that there is a clog in my cooling system that lets water through, but not enough to sufficiently cool the car. It seems to me like the best way ...
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How can I fix a mixed coolant problem?

My husband noticed out coolant level was low and added in green on top of orange. He didn't know the coolants shouldn't mix. Now I'm worried that our car is ruined because of this. I know they can do ...

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