Help w/ coolant change steps
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This is a discussion on Help w/ coolant change steps within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I'm gonna change my coolant soon as part of my 60k service. But, I'm a little confused as to the ...

  1. #1
    DUB
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    Question Help w/ coolant change steps UPDATED W/ PIC

    I'm gonna change my coolant soon as part of my 60k service. But, I'm a little confused as to the proper process because my '03 has the 'three caps'; the reservoir near the turbo, the plastic reservoir AND a cap on the radiator itself.

    So, please tell me if I've got this right:

    1. Drain old coolant, replace drain plug. (duh)
    2. Fill radiator to the top.
    3. Fill turbo reservoir to the top.
    4. Fill plastic reservoir to the full line.
    5. Replace Caps
    6. Start car and turn on Defroster to High and Heat
    7. Hold RPM to 3000 for 10 minutes.
    8. Let engine cool.
    9. Top off turbo reservoir.
    10. Top off the plastic reservoir to the full line
    11. Replace caps
    12. Repeat steps 1-12 until no further coolant is added to either tanks.

    So at the beginning, Fill radiator -> Fill turbo reservoir -> fill plastic reservoir. After initially filling everything I don't have to open up the radiator cap again, just top off the turbo reservoir and the plastic reservoir to full line?

    Thanks.
    Last edited by DUB; 07-04-2008 at 07:23 PM.

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  3. #2
    DUB
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    So what is the deal here?

    This thread has been up for 20 days with 80 views.

    No one has anything to say.

    Not even "yes", "no", "search n00b" or "your an idiot, DUB".

    Nothing?

  4. #3
    Moderator   Sasquatch's Avatar
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    Use distilled water to dilute the coolant. Due to the mess and recycling of coolant, I have my dealer do this job. $74 + $16 for Subaru coolant (I provide the distilled water).
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  5. #4
    DUB
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    Another question for everyone to ignore!

    Alright, a response. Thanks. Now at least I know this thread is not invisible.

    Quote Originally Posted by 04.SPT.WRX View Post
    Use distilled water to dilute the coolant
    Check.

    Quote Originally Posted by 04.SPT.WRX View Post
    Due to the mess and recycling of coolant
    Yeah, about that mess. Upon taking off the splash guard and seeing the radiator drain I realized that it was going to make a huge mess. There is no way to catch the coolant before it hits that cross member and goes everywhere. So, the best way to do it seems to get a peice of hose and slip it over the radiotor outlet to direct the fluid into a receptacle.

    My next question: Which hole does the coolant come out? Big hole (1) I assume? What is small hole (2) for? Does anything come out the hole that the plug is screwed in to?


  6. #5
    Moderator   Sasquatch's Avatar
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    I would think hole #2 and the hose trick seems the way to go. Just give a little twist to see where it comes out of.

    I have done several coolant changes to other cars over the years and came to the conclusion it was worth it to have a professionally equipped garage do this job, even though it was well within my DIY ability.

    Please recycle the coolant.
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  7. #6
    DUB
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    Quote Originally Posted by 04.SPT.WRX View Post
    I would think hole #2
    I wonder what 1 is then?

    Quote Originally Posted by 04.SPT.WRX View Post
    Just give a little twist to see where it comes out of.
    Yeah, unless someone can help that has actually done it, I guess that is what I will have to do.

    Quote Originally Posted by 04.SPT.WRX View Post
    Please recycle the coolant.
    Of course, just drop it off at the local Household Hazardous Waste Facility for free.

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