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View Full Version : Air Conditioning on/off 190E





Mark Wilson
06-19-2006, 08:51 AM
Air works great when cruising, but when it gets in a bind...going uphill, the outside vents and defrost vents blow hot air. The Center always stays cold. When you level off the outside goes back to cold?

turborat
07-01-2006, 09:52 AM
I would guess the car has a vacuum problem. As the engine loads, the engine vaccum is reduced. Usually there are resevoirs in the car to save up vaccum during these conditions. There may also be one-way valves, etc in the vaccum lines.

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