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  1. #1 Re: sludge in coolant 
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    dex + ethylene glycol will sludge.

    dex + air will sludge.

    If you maintain the system well you wont have any issues with dex.
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  2. #2 Re: sludge in coolant 
    Turbo is the way to go. BillBoost37's Avatar
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    Thanks Matt...

    I wouldn't have said it quite as well.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  3. #3 Re: sludge in coolant 
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    Read this. http://www.grandprixforums.net/dexco...ing-36656.html

    I've found that keeping it all kinds of full is a good band-aid for the coolant's health until you can actually fix the problem by installing new aluminum lower intake manifold gaskets. But your coolant will still get into your oil, regardless of what color it is. Change the gaskets, flush the coolant, refill with dex, sleep soundly knowing that you've got a permanently fixed, healthy car.
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  4. #4 Re: sludge in coolant 
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    Quote Originally Posted by SlowNA06 View Post
    Read this. http://www.grandprixforums.net/dexco...ing-36656.html

    I've found that keeping it all kinds of full is a good band-aid for the coolant's health until you can actually fix the problem by installing new aluminum lower intake manifold gaskets. But your coolant will still get into your oil, regardless of what color it is. Change the gaskets, flush the coolant, refill with dex, sleep soundly knowing that you've got a permanently fixed, healthy car.
    http://www.grandprixforums.net/pitti...rts-38940.html

    went from no coolant leak to having to do that repair.

    And thats your godly green stuff.
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  5. #5 Re: sludge in coolant 
    Turbo is the way to go. BillBoost37's Avatar
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    I've seen the gaskets in Series 1 motors as well as 2 and 3 motors look like hell. Some of those had green, some dex and some of the newer dex. All in all the plastic gaskets have issues and it seems to be more heat related than coolant related.

    Plus..if we are saying the coolant causes the aluminum to corrod, then wouldn't we be contradicting ourselves a little if we then suggested putting aluminum frame gaskets in the motor to correct the problem?

    Coolant system maintenance and the aluminum gaskets has seemed to solve the issue in all the vehicles I work on. As for the pitting, nice fix.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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