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Cars > chevygirl_78’s Garage > Blog > HELP!!!


chevygirl_78’s Profile Photo


F –29
Saint Marys, Georgia
United States


chevygirl_78’s Blog Posts 1 – 5 of 26

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By chevygirl_78

ok so i need some help to figure this out. Up here at the shop we have a 2006 E350 box truck that has an obvious vacuum leak on the ac system. While you are sitting at idle the ac blows out of the vents, but while driving the ac blows out the defrost. All the colored vacuum lines from the controls to the actuators are in good condition and all connected...All other vacuum lines appear to be in good shape and connected, and all the actuators and blend doors are working like they should be. Please help me figure this out if you can.

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CorvairJim’s Profile Photo
Aug 5, 2011 at 12:06 am
I think your problem is the blue, oval-shaped thing on the grille!

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Cars > chevygirl_78’s Garage > Blog > HELP!!!

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