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Losing coolant and water noise in dash of 2005 equinox

Overheats when coolant low and air in system

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  • Cars & Trucks Master
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Sounds like the heater core is leaking. Overheating an engine can warp a cylinder head and blow a head gasket. This is a costly repair. Have a mechanic replace the heater core.

Posted on May 10, 2017

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2006 Equinox. Losing water. Over heats. Is this a thermostat or water pump problem??


Depends on where the coolant is going.
If it is an external leak it could be a leaking water pump. If there are no external leaks and you are loosing coolant, it could be a blown head gasket. Especially if the engine has already overheated once.
A sticking thermostat would cause the engine to overheat and then loose coolant from the overflow tank. But not until it overheats.

Oct 06, 2015 | Cars & Trucks

1 Answer

Why does it sound like water running through my dash board when I start my 2006 Chevy Equinox?


all cars do that when , the engine coolant is low
the heater core is full of AF coolant
if it makes noise , its got air there. (bad)
so with car dead cold.

take off the radiator cap, oops the coolant is low.
do the service on the car and this will not happen.
do not trust the side expansion tank, and for sure never let it run dry of this will happen.

Oct 24, 2014 | Cars & Trucks

1 Answer

Over heat after replace themsta 2 months


If the t/stat fails in the closed position an overheat will result. I have had a brand new one fail a week after I put it it. Rare but does happen. Have you checked the rad hose, is it warm, hot, or cold during the overheat condition? Is the coolant actually flowing through the system? When its cold (after sitting overnight) remove the rad cap, look at the fluid level...normal? If so start the car and let it run with the cap off..feel the rad hose soon as it starts to get hot look in the rad (be careful if your system has a vapor lock it may spit the air out, best to have a face shield on just in case!)..is the coolant flowing? It should start flowing at some point. If not the t/stat is stuck closed or the water pump is broken/seized.

Aug 01, 2014 | 2005 Chevrolet Equinox LT

1 Answer

Code 3 insignia low coolant


Add coolant. Find the leak and repair it. You won't have heat when the coolant is low.

Feb 18, 2012 | Cars & Trucks

1 Answer

When the van is started i hear a gurgling noise like water running across the front of dash. At time after the van is driven and hot you can smell coolant smell under hood.


You have a coolant leak somewhere on your motor. Your coolant is low and you are hearing the air pocket being pushed through the system.

Jan 08, 2011 | 2005 Dodge Caravan

1 Answer

Car overheats as soon as i start driving


A thrmostat that does not open and close would cause these very symptoms. Since it does not allow coolant to flow through the system, it will make the engine overheat. Since it won't allow the "heated" coolant to pass by your fan, the heat will continually blow cold air.

Stop driving the car immediately, becuase the next step will be some blown gaskets - especially head gasket.
Other possible reasons can be as follows:-- It could be just low on coolant.
if it is then add coolant...
with low coolant the water pump can not move enough coolant to supply hot coolant to the heating system . also if its low the motor will over heat fast..... If the system is full then you may have other problems.. such as
1) bad thermostat
2) bad radiator cap ( not holding pressure so it will leak coolant)
3) blown head gasket .
4) bad heater core (leaking coolant out.. check the floor board under the dash on the passenger side.)
5) bad hose or clamp.
Thanks. Keep updated for any more query. You can rate this solution and show your appreciation.

Aug 12, 2010 | 1996 Pontiac Sunfire

2 Answers

My 2005 Equinox is overheating. We have replaced the thermostat and the water pump and it is still overheating. It will run fine and will be blowing heat and then all of a sudden it will blow cold air and...


[check fans possible bad sensor or fan motor ]<<< most likely problem/or radiator and reservoir may need to be flushed the 05 was known for having radiator hose problems the hoses in some would deteriorate causing a smell and overheating problems --the other 05 problem was head gasket which can cause the overheat problem but u would have other symptoms rough idle ,steam from tailpipe,oil level high and looking like chocolate milk the 05 problems usually caused the problems early in ownership within 10,000 miles and recheck stat and pump new doesnt mean free from defects

Jan 25, 2010 | 2005 Chevrolet Equinox

1 Answer

2005 Kia Sorento gurgling noise behind dash


Check the water coolant level because some of the hot water goes into the heater radiator behind the dash. Seems you have air in the system.

Mar 30, 2009 | 2005 Kia Sorento

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