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Old 10-09-2012, 06:15 PM   #1
DavidEnroughty
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Default Need to change engine coolant....suggestions on brand?

Hey guys, 06 Subbie WRX Wagon and I need to replace the engine coolant.

Does the brand matter? I don't want to put a brand in it that may compromise the radiator....

Also, should I bother putting in the genuine Subaru cooling system conditioner? I've heard mixed stories about using that stuff...

Thanks guys!
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Old 10-09-2012, 06:26 PM   #2
Big-E
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Subaru Genuine Coolant, either pure coolant that you mix 50/50 with demineralized (or steam, or deionized) water (not tap water); Subaru Genuine Coolant pre-mix; Zerex® Asian Vehicle Antifreeze / Coolant.

You must also use a bottle of Subaru coolant additive.

I've been using the Zerex® Asian Vehicle Antifreeze / Coolant, which is a pre-mix, with a bottle of the Subaru additive.
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Old 10-09-2012, 08:19 PM   #3
DavidEnroughty
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Can these coolant's only be purchased from a Subaru dealership?
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Old 10-09-2012, 08:39 PM   #4
25rsti
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No. I'm pretty sure FredBeansParts sells them and maybe other vendors here.
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Old 10-09-2012, 10:12 PM   #5
Dr. Ninja
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just get the Subaru stuff at the dealer. You're supposed to use the conditioner, so you'll be making a trip there anyway. You only do it once every 30k (or 75k if you have 08+), might as well do it by the book.

I just put a new radiator in my car today and the coolant was only $22 at the dealer for the concentrated stuff. Not bad.
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Old 10-09-2012, 11:43 PM   #6
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It's easier to just go to your dealer, build a good relationship with the parts guy. They stock coolant and conditioner all the time so you don't have to wait for shipping.
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Old 10-11-2012, 11:02 AM   #7
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Quote:
Originally Posted by 25rsti View Post
No. I'm pretty sure FredBeansParts sells them and maybe other vendors here.
Hahaha... what do you think FredBeans IS...


You can try Amazon too, but I think you'll hook up with FredBeans there as well..

(I know for a fact you can get quarts of Subaru Extra-S on Amazon, through FB)
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Old 10-11-2012, 01:46 PM   #8
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Subaru additive = dealer
Zerex antifreeze = aftermarket (NAPA; CarQuest; Auto Zone; Advance Auto; etc.)
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Old 10-11-2012, 05:36 PM   #9
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Didn't someone from Virginia Beach write a post titled Cooling System FAQ that answers this?
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Old 10-11-2012, 05:48 PM   #10
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I was going to reply and say something of the nature of "oh you mean the coolant faq that's 6.5 years old?" But i saw the smiley face at the end of your reply which made me think 2 things:

1. Check the edit date of the post (doh recently edited) and
2. someone has replaced our unabomber with a more user friendly one. So who are you, you phoney?
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Old 10-11-2012, 08:50 PM   #11
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Thanks for the help guys, got it changed and got some kinda sand type stuff from the bottom of my reservoir...not sure what it was but it's gone now. Preciate it everybody
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Old 10-11-2012, 09:59 PM   #12
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Quote:
Originally Posted by DavidEnroughty View Post
Thanks for the help guys, got it changed and got some kinda sand type stuff from the bottom of my reservoir...not sure what it was but it's gone now. Preciate it everybody
Same thing as I always find.
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Old 10-11-2012, 10:00 PM   #13
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Quote:
Originally Posted by Unabomber View Post
Didn't someone from Virginia Beach write a post titled Cooling System FAQ that answers this?
cmon Ron, you know nobody listens to Virginians
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Old 10-15-2012, 01:24 AM   #14
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I would use genuine Subaru coolant from the dealership, 2 options as follows:
1. 1 gallon long life coolant + 1 gallon distilled water. Total cost around $25.
2. 2 gallons super blue coolant. Total cost around $40.

I used the long life coolant because the intervals (every 2.5 years or 30k) don't change whether you use either one on our cars and it's cheaper. The 2008 sti and 09+ cars benefit from the super blue coolant which intervals for the first 11 years or 137k and 6 years or 75k there on after.
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Old 11-03-2012, 04:43 AM   #15
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I used Beck Arnley Extended Life Blue when I put in a new radiator. I paid $18 a gallon from BAP. You can also get it from O'Rielly. Beck Arnley says its OE spec. I think they may be an OEM. They make four different coolants for Japanese makes. Two are the red and pink for Toyota spec and the other two are the green and blue Subaru spec. They also make US and European spec anti-freeze. I'd give the link with more info, but not sure if it's permitted.

I was skeptical of the Subaru cooling system conditioner, but not any more. My radiator upper tank developed a five inch long crack and was squirting out a stream the size of the wire in a large paper clip. I put in a bottle of the conditioner while topping off my coolant and the stream stopped within a few miles. I still had seepage because the side of the tank flexed under pressure and would break the seal but coolant didn't squirt out any more.

After replacing the radiator I took it apart. I found no sign of sediment, clogging in the core or any build up at all except at the crack. I'm a believer.

BTW, I measured coolant capacity of the block while I was doing several pure water flushes. With the radiator out I clamped the radiator hoses closed and one gallon of water filled the block.

On another note. Beck Arnley recommends against any kind of cooling system flush agent. They say it will contaminate the coolant. And they don't make flush agents.
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Old 11-03-2012, 08:40 AM   #16
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Quote:
Originally Posted by Unabomber View Post
Didn't someone from Virginia Beach write a post titled Cooling System FAQ that answers this?
Yes they did and it is amazing how people never search.
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Old 03-27-2013, 10:17 AM   #17
Luis Franco
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Reviving this thread from the dead, was low on collant so im gonna top it off with distilled water but, i want to stock some coolant

Heres the deal, local Subaru Dealership (Monterrey, Mexico) does not use for some reason OEM coolant, so, what other brands (aftermarket or OEM) could be compared or substitute the OEM coolant?
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Old 03-27-2013, 12:26 PM   #18
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Quote:
Originally Posted by Luis Franco View Post
Reviving this thread from the dead, was low on collant so im gonna top it off with distilled water but, i want to stock some coolant

Heres the deal, local Subaru Dealership (Monterrey, Mexico) does not use for some reason OEM coolant, so, what other brands (aftermarket or OEM) could be compared or substitute the OEM coolant?
Peak Global is a good substitute. Regadless of other brands you might look into, do not use anything with dex-cool in it, it will sludge.
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Old 03-28-2013, 02:05 AM   #19
CalvinT
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Honda, Acura, Suzuki, Hyundai, Infiniti, Isuzu, Kia, Mazda, Mitsubishi and Nissan use the same spec green anti-freeze that Subaru uses. Try those dealers for their OEM anti-freeze. You will have to dilute it 50/50.

You can also use their blue antifreeze. Just make sure it's OEM.

http://www.beckarnley.com/beckarnley_fluids.swf
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Old 04-08-2013, 11:19 AM   #20
MLind28
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Default yup

seems like most things i've read mentioned the subaru coolant from the dealership ...but dont just take my word for it...im using my 3 replies so i can start my own troubleshooting
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