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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21 views

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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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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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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Mitsubishi L300 2001 heater not working

The heaters of my Mitsubishi van aren't working properly by blowing only cold air. After doing my research online I found some posts talking about the thermostat and coolant (air blocks). The first ...
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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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Coolant flush and water in radiator below freezing 30-32 degrees F

My question is the water and coolant flush going to screw up my radiator when the temprature drops below water freezing tempratures
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can too much antifreeze cause a p1281 code

2002 Jeep Liberty I added coolant to top off reservoir now I have a p 1281 code . Do I need to drain coolants and start over
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Radiator Hose was unattached!

so I have a 2015 Infiniti QX70 that I took in for its routine oil change (Infiniti dealership). Before they completed the job, they recommended I replace the top radiator hose, bottom hose, and some ...
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Boiling coolant and car is smoking

I have a 1999 civic EX and today while going to work I was stuck in traffic for a long time due to a snowstorm. After a while my car started smoking crazy. The smoke was coming out from under the hood ...
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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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Rusty coloured coolant?

I am working on a 1988 Accord (CA) that has been sitting for some time. There was a problem with the cooling system - air pockets and bad water pump bearing - so I replaced the pump and drained the ...
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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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How long can I run radiator flush in my car?

My cooling system is quite nasty and needs a flush. I followed instructions on radiator flush, which said to run the car no more than an hour. However few tutorial videos online suggest running ...
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2013 Chevy Cruze leaks coolant

I discovered, upon random inspection, that my Chevy's coolant reservoir was empty. It has just made 100 000km. There was no leak I could detect. The car is rarely used as I stopped working. I topped ...
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Blown head gasket? Oil cooler? Something worse?

Recently I came to noitice that my car lost almost everything of the coolant from it's expansion tank (not all the coolant from the system, just the tank) in a short period of time. The expansion-...
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Which type of coolant is most suited for a Volvo XC90?

I have a 2006 Volvo XC90 that is low on coolant, and I want to change it. Since the coolant is low anyway, I will flush it, but I'm wondering what type of coolant to get. The manual, of course, ...
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Coolant level drop in new Bajaj Dominar 2019 UG

In Bajaj Dominar 2019 UG, the coolant level was a little below midline between min and max when it was purchased but after running around 200 Kms, I noticed that it's at Min level now. Though it ...
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Switching engine coolant with similar properties oil

I was wondering why specific coolants or distilled water is used as a heat transfer liquid for engine cooling instead of just using a separate oil circuit with some type of oil as a heat transfer ...
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Water-to-air intercooler - isolated or shared coolant?

I have a 2016 Ford Transit. But answers that apply generally will be fine too. It has a turbo and a water intercooler. I did a coolant flush, but I'm wondering if they did it right. One shop said ...
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Engine randomly over heated and emptied all coolant

So I just picked up an 03 Audi A4 1.8 T Quattro and was driving it around a bit trying to get used to manual. I had been driving it for the better half of two days, took it up to my mechanic buddy ...
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Mazda 323 astina 2003 model

What is the correct coolant level when the engine is cold. There is a full and low gauge on the coolant reservoir.
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Does a 2004 Ford Fiesta need bleeding for coolant change?

i need to change a cracked expansion tank and so will drain the coolant and replace it as i think that the previous owner was topping it up with neat water for awile. Does the coolant system need to ...
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Jeep Patriot 2009 Model smoke from under hood when in traffic **PLEASE HELP -ADVICE***

I brought this jeep form a dealership about 6 months ago. When we got it there was nothing wrong it? Took it in for its first service and they advised everything is fine and replaced a few light bulbs....
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What is the chemical difference between various brands of coolant additives (SCAs) for the cooling system?

In the manual of my vehicle, CAT recommends using their SCA over others. Is this just marketing or do different brands create different SCAs that affect longevity/chemical interaction/etc?
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coolant query bmw

i know this can be a pretty generic question and would apply to all cars but I'm no mechanic so here it goes. i have a bmw 318 2007. I have recently topped the coolant up correctly so the float rises ...
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Coolant cycling too high and low after (motorcycle) accident

A number of months ago, I hit a deer while riding a 2018 Triumph Street Triple R (motorcycle). Since then, the motorcycle frequently drops a significant amount of coolant out the coolant waste tube, ...
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What are the consequences of driving my car with low coolant for five minutes without reaching the limit on the temperature gauge?

Background information: I was driving a 2008 Jeep Wrangler 3.8 L. Before I noticed the gauge, I first noticed the A/C on cold stopped working. Then the temperature gauge needle hovered a little over ...
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Oil in Coolant, Renault Megáne MK3 1.6

Yesterday while topping up my screen wash I noticed that I have oil in my coolant tank so I took the car to a mechanic that has said it doesn’t seem to be the head gasket as it’s not showing signs to ...
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Over heating Dodge Avenger

So, my radiator hose exploded off , got the new one on and now it’s overheating on idle I put water in it until it’s fixed because I don’t want to spend a lot of money on coolant when it couldn’t be ...
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Coolant 2004 Honda Civic

Can I put coolant in the same place that I put water in my car or does it have to go in the coolant reservoir?
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Oil on top layer of coolant Reservoir

So recently when I got an oil change, they checked my other fluids and notified me that there is oil in my coolant... again. Last year, I noticed oil in the coolant and took it to a mechanic, they ...
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Can I use a lower ratio of coolant to water in a hot climate? (N. Texas)

I'm looking at a fluid flush for my 2010 Nissan Altima. I want to ask if there are concerns or benefits to using a lower coolant ratio. I travel to Kansas for the holidays, where it's quite a bit ...

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