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Old 01-24-2005, 07:42 PM   #1
03UTREX
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Default Coolant Question

I'm curious about my how often it is required to change my coolant. This last August, I had my coolant system drained, cleaned, Samco hoses installed, CR t-stat installed, and it seems like I'm losing coolant at an astronomical rate now. By November, by coolant in the reservior was extremely low. So I filled it with distilled water and the proper concentration of coolant. Now only a few months later, it is extremely low again. Does it just burn off? Am I losing it somewhere, way too fast?
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Old 01-24-2005, 08:08 PM   #2
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There's a forum for this type of question......
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Old 01-24-2005, 08:27 PM   #3
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Haha, I apologize. There's 50+ forums, so the 2.0L Turbo forum caught my eye first. Care to take a stab at my question oh holy moderator?
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Old 01-24-2005, 08:30 PM   #4
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http://www.subaru.com/owners/care/schedules/middle.jsp has your schedules. Did you use Subaru cooling system conditioner last time? If not, you are required to. As to the resevior, are you talking about the translucent plastic overflow tank or the coolant tank by the turbo? Some coolant loss is normal as is the UP and DOWN level of the plastic overflow tank as the system will drain/fill it as needed.
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Old 01-24-2005, 09:29 PM   #5
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I appreciate the response. I didn't not use Subaru's cooling system conditioner last time, the shop flushed my system and added 50/50 prestone and water, as well as water wetter. After a quick look at the URL you provided, I see that generally the coolant system is flushed every 30 months or so. This has me worried!

FYI I am speaking about coolant in the overflow tank, not the reservoir near the turbo. I understand that this level fluctuates (I don't understand why this is the case though) but I still am concerned.
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Old 01-24-2005, 10:56 PM   #6
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As long as the overflow tank isn't bone dry, you really have no cause for worry. Coolant disappears as you drive. Micro losses in the head gasket possibly, micro losses from the none sealed overflow tank possibly, rouge engine block air pockets being filled possibly, micro losses from your craptastic stock radiator......all those loses can add up sometimes. Keep an eye on the level and be easy. Buy some of the conditioner and add it ASAP as your cooling system warranty will be in the hurt locker if something goes wrong and you don't have any.
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Old 01-28-2005, 03:47 AM   #7
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my coolant level is low and i dont want to go to the dealer to change it.... i looked and couldnt find anything on the type of coolant needed and how to change it myself..i know it isnt hard.. so yea what type do i need and how much water to coolant should i use?
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Old 01-28-2005, 10:20 AM   #8
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Quote:
Originally Posted by WRXdriver04
my coolant level is low and i dont want to go to the dealer to change it.... i looked and couldnt find anything on the type of coolant needed and how to change it myself..i know it isnt hard.. so yea what type do i need and how much water to coolant should i use?
http://forums.nasioc.com/forums/show...hreadid=504002
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Old 01-28-2005, 03:41 PM   #9
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thank you.. do you think subaru dealers use the PG type?
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Old 01-28-2005, 04:33 PM   #10
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Subaru dealers use Subaru coolant, which is EG.
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Old 01-29-2005, 10:33 PM   #11
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I just filled mine today from the "reserve tank" is what the Prestone calls it. But do you ALSO fill up the radiator, too?
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Old 01-29-2005, 11:46 PM   #12
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You can check the radiator, but generally if you car isn't overheating, your radiator is 100% full.
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Old 01-29-2005, 11:51 PM   #13
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I have found that with the engine cold, the coolant overflow tank will read on the low mark. Fill it up to the high mark, and after a week of driving it will settle back down to the low mark when cold.
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