Question about 1999 Volvo V70

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When i turn on my heat it smells like coolant

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The lines to the heater core may be leaking, or the heater core may be blocked, or split. try flushing the coolant system. If that magic fix the head gasket stuff was used, eh.. It may need flushed several times or replaced. I wish you good luck with your volvo, and hope it lasts forever! (owner of a 740 with very high miles!)

Posted on Oct 17, 2013

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Smells like something is burning when turning on fan mostly when turning on heat. Also makes a gurgling noise. Can hear it and smell from interior of van


Check you coolant level(gurgling sound). A sweet smell is most likely a leaking heater core. Burning oil is valve cover gaskets.

Sep 03, 2016 | Cars & Trucks

1 Answer

My temp is normal new tstat not noticed any coolant leaking anywhere. But I get a smell of antifreeze as soon as you turn heat on also heat doesn't get hot all the time any help?


If you smell coolant inside when you turn the heat its, because your heat condenser is leaking. You won't notice it because the drain port is outside at passenger side. You must have a very slow leak for now but eventually, it will get bigger then you will notice it.

Nov 15, 2013 | Cars & Trucks

1 Answer

Get coolant smell when heat is on


heater core may be busted or coolant is leaking under hood

Oct 10, 2012 | 2001 Hyundai Elantra

1 Answer

While driving my 95 explorer i noticed the heater wasnt getting hot its luke warm and when i turn on the defroster i start to smell anti freeze and all of the windows fog up


no heat is probably low coolant or bad thermostat,although you have fog and smell ! the heating and cooling systems are closed systems the only way the windows fog is the coolant is hot and steams inside the car due to some leak inside the heater core box. as well as the smell being present. Now it is possible that a little leak has occured where the coolant supply or return line connects to the heater core and is running into the car which is running onto the core and creating steam and smell. hopefully it is a easy clamp tighten fix for you.

Jan 13, 2011 | 1995 Ford Explorer

1 Answer

Front heater not heating properly have added coolant also can smell coolant at times rear heater was not working but now it began to heat


It stopped heating because it was low on coolant and the hot coolant flowing through the heater core is what gives you heat. As for the smell 9 times out of 10 if you are smelling the sweet smell of anti-freeze in the vehicle it is the heater core. see if the passenger floorboard is wet or damp. If it is , the heater core has failed.

Dec 04, 2009 | 2004 Kia Sedona

1 Answer

Coolant smell inside cab when you turn on car/heat


Likely you are in the beginning stage of a heater core leak. at this point, you may be able to temporarily solve the problem by using a good system sealer (I'm partial to the kind that comes as a silver powder) Since we don't actually know the condition of the core, temporary may mean a week or several years, but replacement is expensive and time consuming so I'd definitely give it a try.

Oct 26, 2009 | 1999 GMC Sierra

2 Answers

Strange smell when heat is on heat works fine just strange smell also have to add coolant about every three months


sounds like you got a heater core leak,the heater core is what the coolant flows thru into your heater box in your dash to allow you to have heat,sounds like the core is leaking,by the smell and the low coolant i would say it is leaking, youll need to replace it before it blows out, you dont need 2 gallon of 200 degree coolant flowing into your car,,,

Oct 07, 2009 | 2000 Jeep Grand Cherokee

1 Answer

Heat gauge shows hot , have to add antifreeze although no leak


Very common fault is head gaskets.  causing coolant consumption and bubbles in radiator.  Run vehicle, have a friend accelerate once or twice hard, while you smell exhaust for sweet smell of burning coolant.

Dec 18, 2008 | 1997 Ford Taurus

1 Answer

Smell coolant when heater is turn on...


the heater core inside the dash is leaking, it may get worse and coolant will start to drip on the floor out of the heating outlet

Dec 17, 2008 | 2000 Chevrolet Blazer

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