It is totally not normal to lose coolant over any time. Go to another dealer.

 

also check your oil to be sure it is not showing overfull which could indicate the coolant going into the oil usually caused by a leaking head gasket. Do you see any coolant spots under the car? Is your car overheating?

 

Everything looked normal other than the low coolant level. No coolant spots under the car. Will check engine oil from now on. Thanks!

 

Top it off and see if it gets any lower.
Did the dealer top it off when you took it in?

 

They only topped it off after I insisted since the level was at min line after 30min driving. They filled it up to the max line. Now after parking for a few hours, it already lowered to the min line.

 

As temperature drops, the level in the reversoir will drop. That is normal and not indicative a leak.

 

You mean the weather? It was warming up in the past few months while the level was going down...

 

make sure the engine is cold when youre checking the level. As the engine heats up pressure will build up in the cooling system and the level will go down slightly, it should go back up once the engine cools down again

 

It is the opposite. Hot engine, reservoir level up, cold engine, reservoir level down. Winter season,. reservoir level is even lower.

 

Since I topped my coolant off about a year ago, my coolant level hasn't moved, even in the lower temps.

 

It's normal for the level to drop a bit in a new car over the first year or two.
I write it off to rubber hoses stretching a bit.
Plus, there's evaporation.
A cup or so per year is normal.

 

Setting up Your Cooling System - Expansion vs Recovery Tanks

A coolant recovery tank has the ability to discharge and recharge coolant. An expansion tank is pressurized and holds a pocket of air for expansion.

blog.cantonracingproducts.com

 

brah, pressurize the reservoir and look at the level, its gonna go down

 

That is an “overflow” reservoir designed to capture coolant that has expanded from heat. In the “old days” that coolant was lost at the radiator cap. Today, running engines much hotter, and in a closed system, that overflow coolant is recovered when the engine cools. That is why most reservoirs have “check when cold” marked on them. Filling past the MAX level when cold will surely lead to overflow.

Reservoir is higher when hot, lower when cold.

OP may have had some air trapped in the engine coolant passages that could account for the losses. If there continue to be losses I might be concerned.

 

I really can't believe the people that talk about Turbo's, DCT's and such can't grasp basic fluid thermodynamics?
Amazing and has made my day, thank you!

 

I really can't believe the people that talk about Turbo's, DCT's and such can't grasp basic fluid thermodynamics?
Amazing and has made my day, thank you!

I really can't believe the people that talk about Turbo's, DCT's and such can't grasp basic fluid thermodynamics?
Amazing and has made my day, thank you!

You would have made a good Huey driver, my friend!!

 

A car that has no trace of leaks but still loses antifreeze, most likely has a bad head gasket or a cracked head itself. If the oil is not showing signs of antifreeze contamination, ( Milky frothy oil) then the antifreeze can be leaking into the exhaust side of the head and be burnt out the exhaust. Typically in that case you would see white smoke coming out the exhaust pipe, but not always depending on the amount of leakage. There are tests that the dealerships can do to check for this. I'm not trying to throw worst case scenario up to you but if you don't smell it and you find any leakage, well it's going somewhere!

 

All true but another symptom, that usually accompanies the failure points mentioned, is overheating. The OP has not experienced overheating or seen white smoke (steam) existing from the exhaust. So likely not a cracked head or head gasket.

 

Hello
İ have same Car with same engine 2.5 GDI 180 PS and i had this issue. As i live in Saudi Arabia the staff in the dealer told me it is normal to lose some coolant. İt contunied to lose coolant until 30k Miles. Then it become normal it was not losing coolant. Today i found that there was 2 leak holes in the radiator. İt leaked before but it stoped by itself this 2 holes. Please check your radiator. Because it is almost covered by bumper you can not see leak