We have all fought this problem - it can get so bad that the throttle plates
won't move and you are in danger of breaking the accelerator cable!
I use the spray type carburetor cleaner, just soak the area and slowly peel
the stuff out of the way. You have to repeat this every few months, unless
you drive the car frequently.
This is another of the mistakes made in the early production cars (wrong
potting compound). The Huntsville folks were used to building stuff that
was going to have to last maybe a few months at most, so they forgot about
the potting compound tendency to revert to thick syrup over time (hastened
by heat).
( I worked on some of the same type of electronics for spacecraft as they
were used to, although not at Chrysler.)
Dick Benjamin
----- Original Message -----
From: Wlad Alexander <wladalexander@xxxxxxxxxxx>
To: imperial club <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Wednesday, June 26, 2002 8:17 AM
Subject: IML: 82 Imperial leaking EFI modules
Please excuse my ignorance regarding the names of the modules etc. It seems
that the gooey stuff that is in the two electronic control modules inside
the EFI of my 82 Imperial has been leaking onto the support plate and
possibly into the throttle mechanism. What is the best way to clean this
stuff off the plate and stop (reduce) this leakage until the car is stored
for the winter at which time the modules can be sent for re-potting?
Also, there seems to have been some backfiring as the inside components are
blackened with soot. Any suggestions are greatly appreciated.
Wlad Alexander, Toronto
82 Imperial with all the bits still on.
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