Low Coolant level @ 20k? Help..
 

Hey Guys i tried to search for this issue but could not find what i was looking for. Short story is that i installed a CAI yesterday and i now that the sound tube and airbox was removed the engine bay is more cleaner and easier to see. I noticed that my coolant level is very low (I'm not sure how it was prior the install) .

From what i research the coolant level is low when engine is cold, but after the engine warms up the coolant level on the coolant container should go up.

I drove the car for about 30 mins, basically drove the car hard to really warm it up, but the coolant level is still very low, should i be concern? Maybe i should take it to the dealer?

Please advise. Thanks

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This is real common. Just put some coolant in there and make sure it's still there in a few days :thumbsup:

This was happening to me. I ended up bleeding the system and it been fine ever since.

i think its kind of weird that need to add coolant, only has 20k...

How much of coolant did you add?

I agree, just speaking from experience here. I've worked on ~40 of these cars with under 20k and many more over, a good majority being low on coolant. Even my own was low at under 10k.

Make sure you buy Subaru super coolant. Add an undiluted amount to bring it up a bit, until it reaches the high mark after being fully warmed. Don't dilute or mix other types of coolant. If not contaminated this stuff lasts up to 100000 miles.
The issue of low coolant is super common, might be badly burped after factory fill or possibly evaporation as there is a small hole in the coolant reservoir.
Dealer will add labor plus parts cost, waste of time and money.

If you keep the car long enough you might need to eventually add more. The jug isn't cheap, but will last many years.

Why not top it up and see how it goes? Give it another check before another 20k just to be on the safe side

Yep, a certain amount of water in the coolant mixture may evaporate over time. Always has been that way ...... most likely always will be that way.

I'd suggest you just add some distilled water to bring up the level.

No need to add the blue stuff (in NJ) ....... unless it gets further diluted.

After filling, check it after a few days, to see if the level stabilizes.

If it doesn't check for a leak.


humfrz

Thanks for all the responses guys, but I'm getting mixed answers/solutions (just like before i started this thread)

Is there a correct way to fix this?

1)Fill up coolant with OEM subaru coolant fluid

or

2) Use water and fill it up.

Thanks

Buy some Subaru blue coolant and top off as needed (when cold should be at half way mark, when warmed up FULLY should be full) hope this helps. Same thing with your oil it's gonna look really low when cold but warm up the car fully then shut off wait 5min then check levels they should rise/expand to normal levels if not you're low or something is wrong.

I top off a TINY bit every 2weeks or so when I see the level drop a bit. No issues here.

no need to spend $20+ on the OEM fluid when you can buy distilled water for like $2 and you won't even use the whole bottle. and if you don't fill it up with coolant, ONLY use distilled water. though, if you are going to bleed the whole system then that's when you buy the OEM coolant. no need to buy it just to fill in like 1 pint

there really isn't a "fix" for this since this isn't a real problem. just top it off and you're good to go. there's no need to over think it unless you are actually leaking coolant and have air in the system, which at that point you will notice your car over heating at the very least.

Thanks but i feel like if you need to add coolant every two weeks, then something most be really wrong.

I'm not really losing coolant it's just dissipating in the reservoir, boxer engines like to go through coolant it's just a normal thing, don't expect to go to the dealer and tell them to fix the problem that isn't there. When I say a tiny bit I'm talking millimeters in my reservoir after the car has been driven hard or fully warmed up from a long drive, if you don't see higher temps or drive very conservatively and are losing coolant then yes something is wrong. Just trying to save you the headache is all, all I'm really saying is you should be checking your fluids more often than you think, this car isn't a corolla or civic or anything and I promise you will find posts like this in all Subaru forums :).

Also to put it in perspective I've owned the car for 2 years and am on the same jug of coolant I bought the first time barely a dent so I doubt anything is wrong with my car but something MIGHT be with yours might want to look into it.