euro T44 climate control, conversion?

[Kneale Brownson]

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At 12:04 AM 09/01/2002 -0700, auditude at cox.net wrote:


>On a positive note, I'm starting to get my mind around the climate control
>issue.  Looking at the archives,
>the programmer  has some basic failure modes that
>can be individually fixed instead of just getting a whole new one.
>
>It seem programmer-wise, I'm looking at a dirty or worn brushes (little
>wires) on the motor, stripped gear
>on the motor, broken cable end (I don't think so in my case), or sticking
>or otherwise faulty solenoids.
>Additionally, I could have a broken heat flap spring.
>
>I've already got the dash apart and the programmer exposed.  I should get
>some more info tomorrow.  One
>thing I don't understand yet is the heater valve opening at the wrong time
>(like bi-level with it set to 70, 100
>outside).  I guess this is controlled by one of the solenoids, so the
>motor isn't part of that (intermittent)
>failure.
>
>I'll be checking the control head for codes too.  Maybe I have problems
>with both devices.


The heater valve is held closed by a vacuum, so if you're getting unwanted
heat on occasion, it's because of a loss of vacuum, isn't it?
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