123 experts,
SWMBO has made it abundantly clear that the ACC on the 85 300CD is
unacceptable. In hot weather the AC works fine but the monovalve control is
so indifferent that it initializes and hangs in full heat way too long
especially for someone who is constantly getting in and out of the car on
errands in hot temps. The problem *must* be fixed...or else...[shudders].
Direct measures are called for. The monovalve insert is fine. The foam tube
is fine. A valve to manually shut off the coolant line would work but it
seems that better ways are possible. We know that the monovalve stays open
if no current is applied. I would like to wire a relay to feed 12V DC current
to the monovalve to force it closed. So class, here is your homework
assignment: What is the most convenient source of fuzed, low amperage 12V
switched power to use through a relay? Bonus points are based on simplicity
and effectiveness. Extra credit is awarded if a shunt in the ACC is
identified that would accomplish the same purpose. Clever and innovative
applications of magnets on the monovalve are also acceptable. Good luck
class. The fate of a coupe is in your hands.
Thanks,
Bruce
82 300CD 334kmi 'His'
85 300CD 240kmi 'Hers'
75 240D 202kmi 'Donner'
77 240D 204kmi 'Blitzen'
73 220D 'It'
---------------------------------
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Is having everything that takes a ride in the trunk come out smelling like
fuel just something that we dieselers have to put up with, or is there
something amiss with my fuel system?
Brian
83 240D
