Dots in coolant(open radiator cap)
 

Attachment 129943 has anyone had this yet in there Frs

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It's buildup from you letting the system go dry.

-alex

Apparently they like drinking the coolant also from time to time. Mofokin aliens:mad0260:

give those aliens coolant... aliens love coolant

Mavs got it right, you should probably flush the coolant and replace with OEM or go the evans waterless coolant route.

So it's normal? So I should just regularly check to make sure the coolant levels are good and the aliens will go away lol

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In my experience the dots are from

• Low coolant (check it more often!)
• Mixing different colants
• water that is contaminated (such as rich in minerals)
• Coolant that is a bit worn down or picked up debris from radiator

I would do a coolant flush (aka radiator flush) and every time I would add water, id make sure it was distilled.

Do you drive your car often? Maybe it's just settled debris.

Have you watched South Park regularly ? And season 19 totally ruled !
Season 19 Episode 4 'You're Not Yelping'. And for those of you in a hurry, it's last two minutes of that show...'The Yelper's Special'.

When a restaurant server gets complaints about the food, must take it back to the kitchen, there's no telling what he/she will do with the food once in the kitchen, before it goes back to the customer.

Possibly a factory worker did the same to your cooling system.

It may just be buildup at the top of the water neck. Just make sure that 1) your radiator cap is working properly (spring is not stuck), and 2) your overflow tank is not dry.

Minor buildup is not an issue, but over time it will slowly reduce the efficiency of your cooling system.

And as others have said, whatever you do don't just fill it with tap water.

-alex

You should check coolant fairly regularly as aliens come in the night to drink coolant. If you see one sipping your coolant shoot on site

Check it every other week. Check radiator cap and also reservoir.

Don't forget to pressure check tires monthly, oil weekly (imo) and just do a simple walk around your car.

Have the same, wiped it out, will flush at 60k miles which should be about 4-5 years of ownerships, nice to know it was from the time my reservoir was dry.

The over flow tank was left dry by the dealer I took it too! Fml I trusted them

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Thank you everyone for your replies.
-frank

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your welcome even though mine were not helpful at all lol!

Our cars evaporate coolant quite quickly after long stints hot weather, I bought a gallon jug of this:
[ame="http://www.amazon.com/Genuine-Toyota-Fluid-00272-GTBC1-Coolant/dp/B00AKYP114"]Amazon.com: Genuine Toyota Fluid 00272-GTBC1 Blue Super Long Life Coolant - 1 Gallon: Automotive[/ame]

Filled it up once at the end of the summer, and haven't lost any during the winter. Also people have noticed the evaporation rate drop considerably with mishimoto hoses.

Subaru version is the same but almost $15 cheaper:
[ame="http://www.amazon.com/Genuine-Subaru-SOA868V9270-Super-Coolant/dp/B007NLOZAU/ref=sr_1_1?s=automotive&ie=UTF8&qid=1453861960&sr= 1-1&keywords=subaru+blue+super+coolant"]Amazon.com: Genuine Subaru SOA868V9270 Super Coolant: Automotive[/ame]




More info:
http://parts.cioccasubaru.com/p/Suba...wd=&origin=pla

In almost two years of ownership I've added exactly one quart of distilled water to my coolant system and about half that much to my battery. I honestly don't recommend accepting any coolant loss. Slow coolant loss means failure to maintain system pressure.