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Re: I smell coolant
If you can smell it it must be in the cab andf the only way the coolant can leak in there is throuhg the heater matrix which is located under the dashboard, a way to find out is to check the floor for any excess moisture. if this is the case then it will def be that.
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i myself had this problem it cud be your thermostat malfunctioning a clogged heater core or a leak in the cooling system or even worse a bad head gasket . does your overflow tank blow out coolant? check your oil look for water if no check your coolant over flow tank does it smell like exhaust? if oil is good and overflow tank smells fine you have eliminated bad head gasket few right.so then you check thermostat make sure its not sticking open or closed .check heater core if you have heat thats good . so best case sinario its the water pump atleast was the case with mine in summer ran water in it but water evaporates quickly as expected but as winter approached i added antifreeze right then and there the water pump started to squeel and leak antifreeze out the weep hole located on the top of water pump i replaced water pump and have not had a problem since hope this helps good luck
Open radiator cap and slowly put coolant in top(with car off and cold), fill till the fluid comes to top and let set for a minuite and continue to to fill till full, then start car with cap off and run till guage comes up half way and then guage will come down quarter way and have hot air running on high and feel the temp of air till its hot and then check level in radiator , then put cap back on and fill the resivore to the line it shows.if it was real low then you have a leak somewhere or internal leaks , whitch needs further diagnosis.
You may want to check your manual. There is usually a light to tell you the coolant level in your reserve or overflow tank is low, and there is another light to tell you the system is overheating due to not enough coolant in the entire system. Nonetheless if either light remains on and you have refilled the overflow/reserve tank it is time to look for a leak. Leaks can be at hoses, in gaskets, and other locations. A puddle on the floor where the car is usually parked can help you locate a cracked hose or loose clamp, an antifreeze smell in your exhaust can help you locate a much worse problem.Often you may detect an antifreeze smell only after the car is warmed up which can be a leak which is running onto an exhaust pipe.
I would check for visible cracks and leaking at the overflow tank when the engine is cold, then when the engine is running and at operating temperature and not running and at operating temperature as well as during cool down. Also check the coolant overflow hose for leaks or obstructions inside the hose or if the hose is kinked. Check to make sure that the overflow tank cap is damage free and securely fastened.
CHECK YOUR oil and see if it is milky there have been some issues with heads cracking on these. another option is to have dye added to cooling system and drive a few days then have checked with a blacklight the dye will glow this can help spot a small leak
I had the same problem. My 2004 Ion had 85000 miles on it. It was a bad sensor. The whole coolant reservoir tank needs to be replaced to fix the problem. This was covered under the extended warranty that we had. If you are doing this repair yourself, a hose clamp tool is recommended for simplicity.