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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Why do you people run distilled water on cooling system and flush it, is it neccesary?

I'm trying to change coolant on my car. I saw a video of my car where they drained the existing coolant, added and ran distilled water, drained it and then finally added coolant. Why are they doing ...
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3answers
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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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4answers
9k views

Clear water in coolant reservoir

Over the weekend I took my 2000 Toyota 4Runner to a local shop to get the oil changed. While there they told me I needed to flush the coolant, pulling clear water out of the coolant reservoir. They ...
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1answer
65k views

How does the coolant disappear?

If there is no leak? So how does the coolant level decreases as time passes? Does it get pressurized so it's level decreases? Or what happens? Since it keeps circulating to the engine and coming back ...
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22k views

What to do when antifreeze is in the oil casing

My son accidently poured some antifreeze into the place where the oil goes now the car runs with ticking when its idle
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2answers
74k views

Coolant boiling

When I start the engine it was showing me that the coolant level is low. I did buy a mixed antifreeze and put on top of the other. Like in 5 miles when I stopped I did hear a strange noise. I opened ...
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3answers
10k views

Disappearing coolant without a trace?

The thermostat on my 13 year old Rover 2.5 V6 got stuck shut about 3 months ago and to be honest I did drive the car whilst overheating albeit very carefully for about 6 miles. I had the thermostat ...
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3answers
954 views

Re-filling the coolant - Susuki Ritz (Splash)

I have a diesel (DDIS) version of the Suzuki Ritz/Splash. I would like to re-fill the engine coolant, as it has been topped-up for a long time now, and might be mostly water than actual coolant right ...
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1answer
204 views

17 outside and I just have water, no anti freeze, am I OK?

It's 17 degrees outside and I have no antifreeze in my car, will I be all right for just one night?
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3answers
17k views

Can exhaust smell like coolant without it being a blown head gasket?

2005 honda civic ex, my coolant smells like exhaust, and I have been magically losing coolant/overheating the past month. It seems slow though, because it lasted 3 weeks between the last coolant ...
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1answer
138 views

97 chevy lumina water in oil

Just got a cheap car and noticed the water in it was nasty looking and the oil was looking a bit old. Drove car and temperature rose but never went to red. After changing the thermostat and driving ...
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1answer
89 views

my cars coolant dries up atleast less than a half litre after i drive around 400 km. why?

In my car, coolant dries up fast and after i drive around 400 kms, again I have to feel up at least less than a half litre. Why it is? No leakage.
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Coolant disappears from coolant reservoir but no leak observed

I just replaced the water pump in my 2005 Ford Escape V6. I discovered that each time I fill the coolant reservoir with coolant and drive the car, by my next stop the coolant reservoir will be ...
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2answers
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Can I use an intercooler as a charge cooler radiator

I'm looking at creating an advanced charger cooler setup for my car, can I use an intercooler as a charge cooler radiator? Or do radiators need some special coating on the inside of them? It's a ...
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2answers
10k views

Having Trouble with my 2003 Ford Escape oil light and coolant light

I have a 2003 Ford Escape V6. I'd have to say a couple of months ago my oil light popped on (most of the time only when I hit the brakes), then it would kind of blink a lot until I was on the gas ...
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1answer
43 views

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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2answers
231 views

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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2answers
4k views

Would pressure testing indicate leaks from the coolant hoses?

If you do a pressure check, would bad coolant / radiator hoses cause the test to fail? I have had 2 mechanics trying to figure out why I am losing cooling fluid. Pressure test didn't turn out any ...
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1answer
9k views

How often to put water in coolant

Is it ok to put water in coolant? I live in a tropical country in Burma and i wonder if its ok to put water in a coolant? Also my coolant water fluid does drain every week. Is my coolant functioning ...
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1answer
188 views

Radiator gushes fluid but car doesn't overheat

We have a Holden 2004 exe. On short distances, the car runs fine. However, driving far we've noticed water gushing out from the right front side of the car where the reservoir is. The temperature ...
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2answers
3k views

Mazda 3 (2008) coolant leak, only when starting the engine

I have a 2008 Mazda 3. Since I got it (about 2 years ago) it is loosing coolant fluid constantly (and it is getting worst: now I fill in a liter of fluid a day). The mechanics in the garage can't find ...
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1answer
2k views

Is mixing two types of coolant in my Ford Fusion 2008 (Oreilly Universal and Motorcraft Gold) damaging to my coolant system?

Little bit of background, I just had the radiator pump replaced in my car. The coolant was flushed with Ford Morotcraft Gold. I added some Oreilly Universal and recently I discovered that it was green ...
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1answer
17k views

Engine smoking with normal temperature gauge

I had a fair bit of work done to my 1999 Subaru Legacy last week with the main fix/problem being a timing belt replacement. Additionally they replaced oil seals, 2 hose clamps, the radiator cap, the ...
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1answer
6k views

How to test for radiator leaks?

There is coolant leaking from my 2007 Tacoma's radiator SOMEWHERE because there is leakage dripping from the lower right corner. I saw it when I took the skid plate off to replace the serpentine belt....
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1answer
3k views

ISUZU CUBIC mixing oil in coolant

ISUZU CUBIC - CITIBUS ENGINE - 6hh1, 8300cc, 6 Cylinder, No Turbo I have this Isuzu with the above description. It is mixing oil and water coolant. I did not find water in the crankcase but found oil ...
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2answers
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2001 Ford F150 running hot

I changed my coolant hoses on my 2001 Ford F150 today. I let it idle for about 15 minutes and then took it for a test drive. It began to run hot during the test drive. What could cause this?
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Bad temperature gauge reading on '96 Ford F-150

On my 1996 F-150 with the 4.9 L (300 CID) inline 6, for some time now, the engine barely reaches the normal coolant temperature as read on the gauge. Historically, it would climb until it was in a ...
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1answer
255 views

Coolant flush procedure?

I'm going to change the coolant on a '96 B-Body with an LT1 engine. It's got expired Dex-Cool in it (past the rated 5 year life). I want to get all the old coolant out in case it has turned to the ...
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1answer
86 views

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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1answer
1k views

Can you have coolant in the resevoir tank while the radiator is low on coolant?

Suppose my coolant reservoir has gone low and but is still showing a little coolant. I was under the impression that the rest of the system is still full (even when leaking) since if the radiator was ...
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2answers
5k views

Left car running, coolant gone, engine overheated

Car: Hyundai Sonata Hybrid Yesterday, before going into work I forgot to shut my car off. That was at 9am. Around 1pm, I received and email that my car was running so I went out to shut it off. Once ...
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1answer
266 views

Is it possible to splice in a 2nd temperature gauge?

This is a 2006 Mazda6 6 cylinder. I want to install my Autometer temp gauge. Can I tie it into an existing wire or do I need to put in a second sensor? How do I tie it in?
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1answer
1k views

Should I open the radiator cap in extreme cold

I have a 1.6L petrol Peugeot 307 (2001) that normally is driven in the south of Sweden where temperatures are typically greater than -10 degrees Celsius, but am now in the north where temperatures can ...
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2answers
67k views

Will a radiator suck fluid out of the overflow tank if I didn't fill the radiator completely?

I recently changed the engine coolant in my 2006 Prius. The system is the type which has the radiator cap on the radiator and a separate overflow tank. The whole system yielded about 1.5 gallons of ...
2
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1answer
51 views

coolant in oil of 2008 Pontiac G-6

What do I need to do if coolant was accidentally put in where the oil goes of a 2008 Pontiac G-6? I haven't tried anything as of yet. I'm afraid to start the car. I didn't know if I needed to flush ...
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2answers
113 views

No coolant in Radiator

I had my water pump changed about a month ago. This morning, I started my Jeep to let it warm up and when I went to leave it was blowing cold air. I turned off the heat and turned it to cold and then ...
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4answers
2k views

Why is my 1996 Impala running hot & the coolant in reservoir tank is boiling hot?

My car keeps running hot after about 15 mins. The coolant in the reservoir tank gets boiling hot. I flushed the cooling system until clear water came out bottom radiator hose. I changed the water ...
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1answer
124 views

My coolant has oil in it could this be the coil?

I have oil in my coolant. I don't have coolant in the oil. I got told it will want flushing out and a new coil. I have a Vauxhall Astra 2006 1.6 engine
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2answers
1k views

My 2004 PT Cruiser is overheating

I have tried everything got a new radiator, thermostat, put blocked seal permanent head gasket fix. So I started my car and let it run for 15 minutes, after that I see no antifreeze in the reservoir.....
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1answer
6k views

how much coolant required in chevrolet spark

Which coolant I can use in my Chevrolet spark and how much coolant and water required
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1answer
1k views

Temperature of coolant before and after radiator [closed]

I am doing an analysis project on radiators so I need to know the input temperature. At what average temperature does the coolant enter radiator (not thermostat opening temperature) during normal ...
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1answer
3k views

2008 Toyota Corolla - Overheated while idling, coolant full or very slightly low

My car decided to overheat yesterday. It was noticed while we were waiting to pick someone up from the airport. We shut the car off until they arrived. (15 minutes or so) We then drove home with the ...
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1answer
531 views

Coolant overflows into overflow when accelerating, but completely empties when car cools

My VW Polo's coolant overflows out of the expansion tank. It's like there is too much pressure, causing the coolant to boil out of the tank, yet the temperature is normal. The fan always kicks in, ...
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1answer
2k views

Oil in coolant none in oil

I have a 2003 F150 with a 5.4 engine. It started running rough and I noticed oil in my coolant. I checked the dipstick and it is clean. I was just a little low so I added oil. When I removed the oil ...
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1answer
3k views

2004 Ford Escape Reserve Coolant mixed with oil

I have been using my 2004 ford escape 4x4 v6 for nearly 7 years now since my dad gave it to me. I am not a very technical guy when it comes to car maintenance but I see to it that it is always tuned-...
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1answer
4k views

1998 Chevy Lumina won’t start, crank, or click

I have a 1998 Chevrolet Lumina and recently I have had intermittent starting issues. My brother and I bought a new starter and put it in and it still wouldn’t start. After replacing the starter we’ve ...
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1answer
966 views

What happens when under-filled coolant overheats?

I have a bmw k1200s motorcycle. You suppose to fill in the coolant using vacuum. I usually fill it in at home, drive to a dealer and let them deal with the vacuum stuff. it didn't work out this time. ...
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1answer
10k views

Engine Coolant Temperature sensor goes bad whenever the outside temperature is hot

This is on a 1998 Chevy Cavalier, automatic transaxle, 2.2L. This sensor went bad last July and I replaced it then. When it goes bad, the check engine light comes on and then the temperature gauge ...
2
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1answer
111 views

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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1answer
224 views

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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