80q coolant flush/refill worry

Kneale Brownson knotnook at traverse.com
Wed Sep 1 20:46:45 EDT 2004


I have learned to mix up a 50/50 brew before adding it to a system, Megan.
You never get it all out.  I just keep the left overs on hand for topping up.

At 08:07 PM 9/1/2004 -0400, Megan Bigelow wrote:
>So I decided to flush and fill the coolant tonight on the ole 80q. I 
>drained/flushed it without incident, and then here's where I went 
>wrong. The bentley and the Audi coolant bottle called for a 50/50 mix, 
>and bentley said the cooling system's capacity for that was 3.5L of 
>each water and coolant. Not realizing that there is still water from 
>the flush stuck in parts of the system, I measured out 3.5L of water, 
>added it, and then tried to (unsucccessfully) add the approx. 3.5L of 
>unmixed coolant that was in the new bottle of Audi coolant.
>
>Oops. There was 1.5L of straight coolant still left in the bottle. 
>D'oh! And, upon letting the car idle until the fan kicks on, the 
>coolant light flashes, and it's definitely not low. So I think it is 
>overheating.
>
>I guess this is more of an "I'm stupid" post than a question, but I 
>just wanted to run it by the list's collective knowledge that what I 
>need to do is drain and refill properly before draining and flushing 
>the whole system again and buying more coolant at the dealership 
>tomorrow.
>
>Curses,
>
>Megan
>
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