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reply to The Pig

Re: Why Do 2 A/C Vents Throw Warmer Air Inside?

You're both right and wrong.

It IS a tube.

The tbe happens to carry vacuum tho.....
Very common occurance on the grand pricks.
It's usually due to newbie mechanics thinking that all door/duct functions are electric motor controlled.
Nope, GM still has it's head in the sand and still uses vacuum.