Smell antifreeze, no leaks, gurgleing behind drivers side dash.
I have a 2000 dodge dakota with a 3.9 v-6 the engine smells of antifreeze but i have no leaks, level seems to be the same. i changed the water pump and thermostat?. i also have this gurgleing sound from behind the drivers side of the dash. sometimes it goes away after the truck reaches operating temperature.i noticed the heater core hoses go in thru the drivers side. do i have issues with my heater core?
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Re: smell antifreeze, no leaks, gurgleing behind drivers...
Check and see if you have water on your floor boards. they make a little hole down buy the firewall on the engine side for water to come out if the heater core is bad. check and see if there is any water coming out of that hole. if there is you have a heater core problem. you might want to make sure that there is no air in the block after changing the stat. see if there is a bleeder nut but the stat housing.keep bleeding it out in tell there is no air.
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A car this new should have a warranty right? the only other place for anti-freeze to go is through a blown headgasket into your oil. Pull out your oil dipstick and make sure it is not milky in color. If not check behind the engine and see if any coolant lines going into the firewall are leaking. When inside the car do you smell steaming coolant(anti-freeze) or hear gurgling? The temp gauge that stays on is the overheat indicator?
1st make sure it's the heater core. Usually it's the passenger side that is wet. To confirm it's the heater core, 1. do you smell antifreeze? It has a sweet smell, and should be easy to notice it if leaking. 2. Do have a problem with the windows fogging up, and turning on the defroster doesn't help or makes it worse? If the core is leaking, the moisture from the leak will fog up the windows, and the defrost mode struggles to clear the glass, as moisture is blown up the vents onto the glass. If 1 and 2 don't exist, the water on the drivers side is most likely a leak from rain along the door gasket, or windshield, or firewall.
If its smoking that bad you should be able to tell if its oil or antifreeze by the smell, stand behind the car as its running, if its white and you smell a sweet smell its antifreeze if its blue and smells like a oil refinery its oil.
check the coolant level to see if it has dropped.Then look under the engine,for any leaks.Look for pools of coolant on top of the engine,or run down on the sides of the engine.Then look for radiator hoses,ans heater hoses that are leaking.If you are loosing antifreeze ,and you are sure the coolant is going somewhere,you may sill have a head,or head gasket,that are bad.If it has not been long before the head change,then the antifreeze may be still present in the exhaust,or on the engine,so you may have to wait a little longer for smell to disapate.Cleaning the engine can help.
Is it low in water?You have a heater control valve on that side . Your heater hoses connects to it to let hot water in the car when the heater is turned on. Check and make sure the passenger floor is dry. If it is wet you will need a heater core
If you can smell antifreeze from the inside of the car it is most likely the heater core. You can probably feel under the passenger side floor mat and it will probably be wet with coolant..
Replacement is a fairly large job because the dash has to be disassenbled. I would guess at between 300 and 500 dollars.
You should have a local mechanic take a look at it before you buy and get an estimate.
Let me know if this helps in your decision and please rate this solution.