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Old 05-29-2003, 11:18 AM
Honus Honus is offline
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Join Date: Feb 2002
Posts: 2,292
Originally posted by LarryBible
The thermal sample input grill is on the top of the dash on the '85 300D, so redirecting the vents would have no effect.

BTW. Have you checked the air sample hose behind the glove box? Remove the glove box and there is a hose that runs from the temp sensor at the center top of the dash to the right. This was a foam hose originally and deteriorates. You may see no trace that there was ever a hose there. If it is gone, go to Home Depot and get a length of foam pipe insulation. Cut to length and slip it over the two connections.

If the hose is missing, replacing it will most likely make your problems go away.

Good luck,
I will have to get behind the dash this weekend and check that out. I also noticed yesterday that it took a long time for the engine to shut off after I removed the key. The door locks were also slower than usual, so I think I have a vacuum issue somewhere. I don't know whether that might affect the climate control system.

Even if I get the climate control working, I think I will convert to manual control. I just think that, in a car, manual control is superior to automatic, even if the automatic system is working properly.
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