Quote:
Originally Posted by davidlee
OK. So I replaced the push button control unit and the seems to have fixed that problem. my heater still doesnt know what vent and floor controls are but at least it only turns on when I ask it to. I guess if i could only pick one outlet it would be defrost so im not sitting too bad, also the heater still only wants to blow out hot air no matter where the adjuster dial is set. Granted i just installed the new control unit, maybe the old one was completely fried and it just needs a little electric currant running through it again, and it might start working again. My heater fan speed switch is also broke and I cant figure out how to get it out to replace it
The Members of this forum are Great, thanks for all the tips and advise
Every bit of info I gain is greatly appreciated
Thank you again
David Lee Portland OR
87 300D
87 190E 2.3
84 230E Euro
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If you are getting defrost vents, you have a vacuum leak somewhere. The vacuum comes from the manifold, and up to a green (?) one-way valve attached to a vacuum tank. This valve often goes bad. It's close to your fuse center.