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  1. #1 Re: Overheating issue 
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    I dont know if getting a flush will fix the problem. You should get a flush anyways to get the orange GM dexcool out of the system. Have them refill it with the standard green coolant. GM Dexcool is known for leaving large amounts of sludge at the bottom of the radiator.
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  2. #2 Re: Overheating issue 
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    Quote Originally Posted by 99regalgs View Post
    I dont know if getting a flush will fix the problem. You should get a flush anyways to get the orange GM dexcool out of the system. Have them refill it with the standard green coolant. GM Dexcool is known for leaving large amounts of sludge at the bottom of the radiator.

    Thanks. Do you have any suggestions about the overheating?
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  3. #3 Re: Overheating issue 
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    can someone please help me. I really can't drive the car until i get this figured out.
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  4. #4 Re: Overheating issue 
    Turbo is the way to go. BillBoost37's Avatar
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    Have you maintained the coolant and had it changed out at the 5yr or 150K miles as expected?

    Is there sludge on your radiator cap?
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  5. #5 Re: Overheating issue 
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    Quote Originally Posted by BillBoost37 View Post
    Have you maintained the coolant and had it changed out at the 5yr or 150K miles as expected?

    Is there sludge on your radiator cap?
    I haven't changed the coolant since i have owned the car. It only has 127k., but changing the thermostat i noticed the coolant was a rust color. Would this casue it to overheat? This is the 3rd or 4th thermostat I have changed since owning the car. I am not to sure on certain areas of the engine and really don't want to screw soemthing up. We can't afford for one of our cars being out of commission.
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  6. #6 Re: Overheating issue 
    Turbo is the way to go. BillBoost37's Avatar
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    was there any sludge on teh thermostat? Rusty color isn't necessarily horrible.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  7. #7 Re: Overheating issue 
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    Quote Originally Posted by BillBoost37 View Post
    was there any sludge on teh thermostat? Rusty color isn't necessarily horrible.
    Not thick. After i parked this morning at work I noticed the smell of antifreeze. I havent driven the car since changing the tstat.
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