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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Overheating engine after hard run?
I came across this paragraph in my car manual which states the following:
"If the engine has been driven hard for a long period, the engine could overheat when it is switched off. Risk of engine ...
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Why is there a MIN and MAX marking on a car coolant bottle?
I've always thought the minimum and maximum mark on the coolant bottle were quite pointless as it doesn't seem to make much of a difference to the function of the vehicle if I overfill a little bit or ...
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Coolant Reservoir keeps breaking Skoda Rapid
My car is Skoda Rapid 1.6 litre petrol engine, 2013 model.
It has ran about 140000 Kilometres.
Recently Smoke started coming out of my coolant reservoir and it was leaking not from the cap but from ...
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Astra hatchback is boiling while driven short distance it boiling hot. Have taken out the thermostat but still no solution
Opel Astra water thank is boiling while driven short distance...taking lot of water in it...Have removed thermostat but still no solution...what might be a problem pls help
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Mechanic detected low coolant level in car, says no leaks, could some of it have evaporated slowly over time?
I'm looking to buy a second-hand VW Polo 1.2 TSI, 2015, and with 31K miles on the clock (I'm based in the UK). Car has clean history, never written off and has passed all its MOTs without any ...
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Car running hot but not overheating
09 3.5L v6 chevy malibu running hot. Radiator is new. Pressure test came back fine, so no leaks. Disappearing coolant that's never visible on the ground. My temp hand will rise just about to H in a ...
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Is it safe to add OEM Renault green coolant to yellow coolant already present?
I want to fill up the coolant of my Renault Clio III because it's at the minimum level. I've bought a bottle of official Renault GLACEOL RX type D coolant. This new one has a greenish/yellow color but ...
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Low coolant sensor light doesn't turn on
My '04 Chevy Silverado recently had a coolant leak, and I never received a warning light or dashboard message. I tried unplugging the sensor and still nothing showed up. I tried plugging into a new ...
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Replace radiator hoses with radiator when rust is present in coolant?
The radiator on a 20+ year old Jeep XJ recently bust. The fluid that came out was a rust colour, likely indicating that the radiator was at least partially filled with water instead of coolant (...
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14 Dodge Dart overheated
My son’s car ran hot a month ago and he said it lost power. Car was towed in radiator hose had came off they replaced that oil still looked good. The next day it ran hot again this time they replaced ...
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Adding Pure Antifreeze to Coolant Tank
My car has a slow coolant leak from the radiator so I've been topping up with distilled water until I can afford to have it fixed.
Colder weather is here, so I bought an antifreeze test to make sure ...
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I have a '93 Pontiac firebird with a 5.7 i believe I have a coolant block in my engine. How can I fix itblock [closed]
I have already replaced thermostat, fan motor, and water pump, flushed out radiator
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Safety of coolant question
I have a pretty nasty coolant leak in my car. I have to fill my radiator about twice a day. Anyways— because of the frequency that I have to fill my radiator I keep a bottle of coolant in my car. ...
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2003 acrua mdx. Coolant leak between ac bracket and engine block dripping on corner of oil pan
This 2003 acrua mdx leaks coolant from the alternator and ac compressors bracket mounts and leaks between block down on the corner of the oil pan is there a freeze plug hole it could be leaking ...
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What's going on with the "temperature" part of this pressure gauge?
Ok, I think I finally understand the pressure bit of this gauge that came with this set of poorly documented hoses I got off Amazon. From 0 to 350, it's actually measuring pounds per square inch (PSI)....
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Smoke coming from hood. Car turned off . wrong coolant was added..Why wont car turn on or what could be the issue
2011 Toyota Camry got an oil change and friend added coolant (dont think it was the right one). For a couple days when i would drive car would make loud noise. Drove it for couple days when one day ...
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Coolant boiling but no overheating
Car has been fine, I just drove 3 hrs and when I got to my destination my coolant was boiling. what do I do? No overheating ever just had ac fixed an coolant filled. I have to drive another 2hrs ...
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Honda Civic: engine temperature changing quickly
Vehicle: Honda Civic 2004 1.4L
Issue: According to thermometer, engine temperature changes from normal (about half) to maximum within seconds, and back to normal equally quickly. For example, it might ...
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Coolant issue citroen c4
How do I drain the old coolant, which is mostly water, in my citroen c4 as I need to add 100% coolant due to overheating problems
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Coolant level rises strangely!
Please read the full story before posting any comments or answers.
Recently, I noticed some strange behavior in my car. Normally, when you check coolant level when cold then you drive your car and re-...
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Coolant tank drains too fast of Boxer 435
I have Peugeot Boxer van (435 onnicar) and its radiator coolant drains too fast(in one day, it's already empty). I.e. In the morning, if I fill up with water and at half of the day it's almost drain. ...
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I put Adblu in radiator coolant tank in Peugeot Boxer 435 Onnicar
My coolant tank was empty and there was a plastic cane in the cockpit/dashboard, so I thought, it was water and I put some in the coolant tank. I am pretty sure it was less than 500ml.
Driver is using ...
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Truck is overheating only while idling
My Problem
2011 Chevrolet Truck Silverado 1500 WT 2WD 4.3L FI OHV 6cyl is overheating while idling.
It takes about 2-3 mins, so drive thrus and multiple red lights back to back are the main culprits.
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Coolant loss on VW, no visible leaks, no combustion leak detected
My 2006 VW Passat 2.0T is losing coolant in the past few months. I have added 2qt distilled water for a 7.6qt system. Less than 1000 miles driven.
No visible leaks.
No combustion leak detected (...
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2004 Honda Civic OverHeating (Lots of Details and Pics to Help Diagnose)
I have a 2004 Honda Civic thats new to me and just started overheating. I first noticed a month or two after I bought it...I was idling in park for 45min or so when I noticed steam coming from the ...
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Added coolant repair to my car
I added coolant repair to my car. how long do i have to wait to add coolant into the tank? I’ve waited 20 mins after i poured the coolant repair in and the engine has cooled.
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Dominar 400 2022 engine coolant level is little over max
I bought a new Dominar 400 2022. When I went for the first service, I observed that my coolant level was almost touching min. So I asked the service engineer to top that up. When he topped up, he put ...
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Truck will not reach operating temperature
My 2005 GMC SIERRA 1500 runs at about 180/190 degrees, and won't heat up beyond that. The thermostat and coolant temp sensor have been replaced, and I've been trying to burp the system with hit and ...
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Accidentally mixed orange and green antifreeze
My car has a slow coolant leak that mechanic hasn't been able to identify that takes about a year before there's an issue. It was running low and it was Christmas eve so I couldn't get Dexcool (I ...
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Coolant leak visible from bottom two corners of radiator
My Mercedes 1998 ML350 is leaking coolant from beneath the radiator; at the bottom two corners of it. I am not a mechanic nor do I know much about cars but I did do some stuff on engines. A hose ...
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What will happen to a Nissan if it was refilled with antifreeze meant for an Audi?
My friend had to replace the radiator in her Nissan Rogue and bought "blue" antifreeze as specified by her mechanic. After the job was done and she'd been driving for a few days, she went ...
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What are these pipes next to the carburettors?
As you can see in the pictures below circled in red there are pipes that are right next to the carburetors on this Abarth Tipo 240 v12 engine and Ferrari Lampredi inline 4 dohc engines (on the Ferrari ...
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How to distinguish the engine cooling flow and turbocharger air flow to/from radiator/intercooler?
I can't distinguish between the flow of engine cooling (coolant) with the flow of turbocharger air to/from the radiator (intercooler?). I have no foundational knowledge of automotive/automobile, ...
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No power steering and coolant explosion
2008 Subaru WRX (Turbo)
I was pulling in to my parking spot and lost power steering looked at gauges and coolant temp was hot then white smoke/vapour from under the hood. Turn car off, pop hood and ...
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Can I help a failing water pump by removing the rad cap?
I'm on a trip and my water pump is starting to leak. The rad and overflow are a sealed system. If I left the pressure cap off the overflow will that help the water pump - less pressure? The temp on my ...
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Coolant bubbling on 82 K1500 6.2 diesel
Vehicle is a 1982 GMC K1500 6.2 diesel. It's got a 1987 6.2 diesel engine in it swapped by some previous owner (there were many). The truck has sat for a while since I didn't really have time to work ...
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Coolant refill technique
EDIT:-
Make: Honda
Model: Civic
Year: 2007 (European version but shares many of the same systems as US version)
Gen: mk8
Fuel: petrol
I've just drained my coolant so now I have air in the system ...
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Thermostat located in lower radiator hose, not upper
All the diagrams and videos online show the thermostat located where the engine meets the upper radiator hose. This makes sense because coolant flows from the engine to the radiator via the upper ...
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Fan blade spinning very fast during acceleration
2008 Ford Ranger with the 3.0 Two months ago I replaced the fan clutch and the coolant temp sensor to address this issue. It did help a little, especially when the car was idling in the driveway, ...
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Overflow tank very active at end of drive
2012 Sonata Hybrid
Car overheated. Shop said it had a blown head gasket. So I took the head off and had it machined flat. Put it back on with new gasket and new bolts etc.
Car runs well. Temp gauge ...
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Why my car Over consume coolant .no any visible leak
I have added almost 4 liters of coolant today in my car.but over heating,boiling coolant and indicating low oil pressure alarm on the dashbod.what should be a problem
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why is my 2006 Mazda MPV loosing coolant? but no leaks underneath
This minivan is constantly loosing coolant, but I don't see it going anywhere. Meaning I don't see any evidence of dripping or pooling underneath. Does it just evaporate? The rate of loss is, I may ...
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Manual rotation of water pump before starting the engine. Is it necessary?
Today, I came across this article while surfing through Gates website:
https://www.gatestechzone.com/en/news/2017-06-water-pump-replacement
It mentions some points about installing a new water pump. ...
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What could cause bubbling/boiling in my surge tank?
I drive a chevy cruiz, and my coolant is bubbling/boiling like. There is no leaks, nor overflows, my coolant doesn't drain, and my vehicle doesn't overheat either. According to my temp gauge. Heck, my ...
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Bubbling (not boiling) coolant
I have changed my car's thermostat (a month ago), and after driving for 30 minutes, the coolant starts bubbling (it doesn't seem to be boiling) because the temperature is in the norm (95 degrees ...
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Adding a ground strap from radiator to chassis
Does adding a ground strap from radiator to chassis reduce coolant voltage to almost zero?
I have seen most cars have between 0.1 to 0.2 Volt of coolant voltage. I want to test it by adding a strap to ...
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Driving 2 hours without thermostat
Is it harmful to drive 2 hours without thermostat?
I want to remove my thermostat just for ease of changing my coolant. I rinse my cooling system with distilled water 4 times. I fill up the whole ...
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If a diesel truck has been run dry of coolant and has then been refilled and then overheats and now has a blown head gasket when was the damage done
Only problem is with head gasket. No leaking hoses and truck was serviced two weeks prior.
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Engine took a long time to warm up after putting chemical coolant flush in coolant reservoir
I have a 2006 Kia Rio 1.6L. Yesterday I put in chemical flush in the coolant reservoir since I’m flushing the system out on the weekend. I drove it once yesterday and the temperature increased as ...
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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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