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Discussion Starter · #1 ·
This is my first time flushing the radiator on my own, and I could use a little guidance. I've searched around and know I need to disconnect one of the lower hoses to drain the coolant, but I'm not sure which hose I should use. I'd appreciate an assist, thanks.
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2011 thunder grey coupe a6 recaros.
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There’s only the one large hose there with the “t” fitting to drain the radiator. Other ones are the supercharger loop and power steering cooler
 

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2011 thunder grey coupe a6 recaros.
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You disconnect the larger hose right from bottom of radiator, unfortunately it’s the only way to drain the system
 

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Your pics are further back from the radiator. The biggest hose you see there is going to be connecting to the bottom of the radiator. Disconnect it from the radiator. Not at any connectors, it connects straight to the radiator at a point
 
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