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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Do I need to use Genuine Honda Coolant?

I have a 2003 Honda Accord. Do I need to use Genuine Honda All Season Antifreeze/Coolant Type 2? The manual says the above is a premix of 50/50 antifreeze and water. It also said that I can ...
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Does it matter what kind of coolant you use in your SUV?

This is more of a question can you use green coolant in a 2006 Chevy Equinox because I did. When I went for an oil change they said I was using the wrong color coolant. I should be using orange ...
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Poured small amount of oil into coolant reservoir

I poured a very small amount of old oil into the coolant reservoir. I have a mechanic that's 15 minutes from my house. Should I drive it there to flush it out - or have it towed there? (I don't have ...
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what happens if I drive without coolant? [duplicate]

My car is a Honda fit 2009 and the coolant is low, should I just buy coolant? or is it something more serious?
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The coolant is boiling when I shut off engine

I have a 2000 Chrysler 300m. A few days ago out of the blue my car cut off on its own and I was unable to start it for a few hours. I left it sit in the grocery store parking lot. Went back 3 hours ...
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Water instead of engine coolant? [duplicate]

Currently own a Vauxall Corsa (diesel), that is seemingly leaking engine coolant. Having bought over 3 bottles of coolant this week, and having to fill it up constantly, I will be taking it into a ...
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453 views

2008 Pontiac G5 Coolant is starting to run hot when driving. Slowly climbs to 225-230

Just wanting to know what a possible diagnosis could be on why it is starting to overheat?
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If coolant evaporates, does the anti-freeze portion evaporate as well?

If it does evaporate, then how much in comparison to the water? If it does not evaporate, can I be safe to assume I only need to add water when replenishing lost coolant? Edit #1 I just want to ...
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Should I do combustion gas test in radiator or reservoir neck?

I bought this cooling system combustion leak tester. I have a few questions regarding its usage: While the instructions say take off the radiator cap and insert tester, it appears that at least some ...
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1answer
80 views

Is there such thing as flushing coolant to often?

If I were to go with a coolant flush every 15 to 20 thousand miles is this considered a little too excessive? It’s a ford fiesta mk 6 the service interval by the manufacturer is recommended at 100 ...
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What type of coolant should I use on a Dacia Logan Laureate diesel (2016)?

What type of coolant can I use on a 2016 Dacia Logan Laureate diesel? It is a little low so want to top up and see if it lessens again. Its not in the owners manual.
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Possible causes of burning antifreeze after head gasket replacement?

I just replaced the head gasket on a 2000 Volvo S80 2.9l that was driven overheated until the engine stopped (stalled or seized, I wasn't there). Engine overheated because a radiator hose slipped off. ...
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Boiling Antifreeze

I have a 1998 Pontiac Grand Prix and I have noticed that when I drive it for about 15 to 20 minutes and then park it and turn it off my antifreeze is bubbling. My thermostat does not say it is ...
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Oil in my coolant & no longer in my oil pan?

I have a 96 mustang GT with a 4.6 ltr V8, the car has not been severely overheated, but did overheat once a few months prior to this issue when the heater hose fitting popped out of the Carbon Fiber (...
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Engine Temperature from OBD data

Engine Coolant temperature is obtained from OBD. But there is no PID to get engine temperature. Obviously, they are related, rather proportional I guess. But can there be a case where my engine is ...
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Engine's Normal Operating Temperature

I read in the Motor Oil University article on Bob the Oil Guy's websites that: The automotive designers usually call for their engines to run at 212°F ( 100°C ) oil and water temperature with an ...
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145 views

Is coolant testing necessary on modern vehicles?

My father in law continually reminds me to check my antifreeze when it starts getting cold. I get the squeeze tester out and it always shows everything is fine. We drive cars that are always less than ...
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F-150, heater will blow hot, then cold

F-150, heater will blow hot, then cold and then heat gauge will rise to extreme high, will boil over then gauge will drop to normal. Just had it flushed and no change. After driving for about 10-15 ...
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27k views

Difference between water pump and water outlet housing

I recently took my car into the shop because I was leaking coolant. (I thought it was tranny fluid. See my other question from a while ago to see how bad I suck at fixing cars :) I ended up putting ...
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2014 Hyundai Elantra - Spilling water sound

In my 2014 Hyundai Elantra, I can hear what sounds like water spilling out by the drivers side dash. I pulled in the driveway, sat for a moment, and heard it. I had the defroster on the first time ...
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Drove a car for 5 minutes with half of its coolant missing, have I killed it?

I did a fairly stupid thing and drove my car with half of the coolant removed from it. I finished changing the timing belt on my 1998 Toyota Corolla (1.3 4E-FE engine), and I started it a month ago ...
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1995 Pontiac Grand Am Over-Heating and Cold air from heater, why?

My grand am is over heating while idling, blowing cold air out from heater and bubbling in coolant resevoir. Replaced thermostat and water pump and bled the valves to get air out and still same thing. ...
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1answer
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White smoke coming from hood in cold weather at a stop light? [2003 Ford Taurus SE, Vulcan Engine]

As winter approaches, I have been noticing that on some occasions in which it is relatively cold outside (20-30 degrees) ,and also early morning or night time when the temperature is low, that my car ...
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Second burst ancillary hose on Z20LET engine

This morning was the second time the same ancillary coolant hose burst in my car. It's a 2005 model Opel/Vauxhall Astra turbo coupe (engine is Z20LET). Prior to this, I have had many problems with ...
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107 views

Is there a way to know if you were driving your vehicle without any coolant for days or if it was just low?

I'm freaking out right now. The heat went out in our van over the weekend and we just thought it was the temperature gauge. Had to wait until husband's day off, today, to take it in and found out it ...
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2002 Pontiac Sunfire Leaking coolant from front center

while driving yesterday a light come on for the low fluid and the temp gauge started to rise fast. I pulled in to a parking lot and saw my coolant was leaking all over the place. I refilled it and ...
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Ford Ka '98 coolant boiling

Vehicle: Ford Ka 1998 1.3L - Endura Engine What's happens: start engine wait a few minutes (10-ish) coolant starts pouring out from where two hoses like this one interconnect (I'm assuming it's a ...
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1answer
126 views

Corolla not mixing coolant with heater core?

I did a radiator and coolant flush on my 04 corolla about two months ago. I flushed 6 times with distilled water. About 3 liters each time. And I tried getting it to full heat with heater and blowers ...
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1answer
175 views

1999 s10 radiator?, running, coolant system problems

Ok, we'll start from the beginning. I saw smoke coming out from under the hood so I opened the hood. There was coolant passing out a very small pen hole in the top right corner of my radiator. I ...
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Coolant type for 1977 Diesel

I have a marine 1977 Perkins T6.354 6 cyl, 6 liter turbo diesel. There are different types of coolant available and I've done significant research into this question and have not found a clear answer....
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Engine coolant gets to very low levels, but doesn't completely empty

2008 Toyota Tundra with a 5.7L V engine I noticed last month that my coolant reservoir was well below the 'low' mark. I filled her up, only to find out last week that it was back to the same spot (...
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Timing chain cover gasket

I posted a few weeks ago about cooolant leaking from the timing chain cover of my 2002 Corolla: Corolla - Coolant leaking from timing chain cover I went ahead and started to do job: removing the ...
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391 views

'05 Peugeot 307: Oil in the Coolant

I have a 2005 Peugeot 307 hatchback. Back in May, the head gasket blew so I had it replaced. When the head gasket blew, oil was leaking out and the coolant became very gungy. This gunge was cleared ...
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Honda Civic 2002 Coolant sprinkles back from Rad cap

I am having issues with this car, so I am reaching out to masses out there who could share some of their wisdom to help me understand the actual issue with this car. It has 262K miles on it. Issue ...
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1answer
620 views

My Toyota dealer replaced my water pump and failed to replace my coolant

I noticed my radiator was dry after three weeks of driving my car after i got it back from the dealer, they replaced my water pump. I just discovered this tonight after my check engine light came on. ...
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Why did GM change the pressure rating of their coolant tank cap for existing vehicles?

GM has changed the part number for the radiator surge tank cap on vehicles that came from the factory with Dex-Cool. The new cap is 18 PSI (RC87 - part number 25713160), the old one for many vehicles ...
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367 views

How to remove coolant hose from T piece

I noticed that on an Opel astra F some of the radiator hoses were connected to a T piece using a kind of hose clamp that's unfamiliar to me: There's no screw/spring or other hardware on the bottom. ...
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Could taking coolant through the intake filter realistically cause permanent inability to start?

Diagnosing failure to start on a 2001 Honda Prelude SH, still in brainstorming phase. Leaving out list of other thoughts because this question is specifically about this possibility, rather than ...
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accidentally placed oil in the coolant reservoir in a BMW 325i. How do I fix it and what is the cost?

I accidentally added oil to my coolant reservoir. I have a BMW 325i. The oil light came on and I figured my oil may be low. When the oil was added the oil light warning went off. However, the ...
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Effects of anti-freeze concentration on engine temperature

I am curious as to how useful the engine temperature sensor actually is. It tells you the coolants temperature obviously, but I have read that the engine actually operates hotter than the coolant. For ...
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2003 Jeep Wrangler - Coolant Leak

Had a pretty bad coolant leak recently, and I was pretty sure it was the Water Pump, so I replaced the following: GMB Water Pump + gasket + RTV Hayden Fan Clutch Stant Thermostat + gasket Lower hose ...
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1answer
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Can improper coolant concentration increase coolant temperature?

Car: Audi S5 4.2L Lately I've noticed my radiator fans (both of them) running like a jet engine quite frequently (but not always, the speed varies). My coolant temp. reads around 110C via OBDII after ...
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STEAM coming from under the hood?

This is my car ->(1990 Honda Accord EX Sedan 4 door 5 speed manual) Ok this is the first time I have ever seen a leak from my car. I bought it in Primo condition & I only use it for errands ...
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What is Honda Coolant?

My 2000 Honda Civic 1.6 Aerodeck is getting a little low on coolant, and so needs a top-up. The question is - what do I put in? The manual rather unhelpfully says "use Honda coolant", but doesn't ...
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Does a warped engine block affect compression test?

Check other questions, and did not see an answer. Backstory: Driving around, discovered pin hole in radiator. Chose to drive home, since I was at my exit, and I lived right there. Blew head gasket. ...
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Pink residue and overflow around the coolant reservoir

I am considering buying a used Toyota Camry. From my general (amateur) inspection all looks ok but the only thing I noticed was what looks like some residue or possibly liquid overflow around the ...
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Got water in oil while flushing radiator. What should I do now?

I was flushing my radiator and I got water in my oil. What do I need to do?
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1answer
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Coolant pressure issue

I am in need of some assistance. I am having a coolant pressure on my 1.8 16v clio. (Renault), coolant, cooling-system, overheating (car maintenance) In that when left to idle and engine gets up to ...
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No radiator fluid in resevoir

Obviously you shouldn't drive with no coolant, because in most cases obviously your car will overheat, blow a head gasket and all that fun stuff. I drive a 4cyl 2.5L Ford Ranger. One time I realized ...
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Mercedes OM636: Can I Resolder Wire to Coolant Temperature Sensor?

The wire contact connected to the Coolant Temperature Sensor of my Mercedes OM636 (Boat engine same as Mercedes 170D, 180D) was corroded and got accidentally snapped off. Can I just solder this back ...

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