I'll throw a guess out there... you have a slight vacuum or diaphragm leak
in the system that becomes a significant leak when cold (contraction of the
rubber) and becomes a negligible leak when warm (expansion of the rubber).

Cya,
Robert

----- Original Message -----
From: "Anthony Egeln" <regnsuzanne@YAHOO.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Wednesday, November 01, 2006 7:48 AM
Subject: Re: Cruise control diagnosis progress - ambient temp?

>I don't know if this will be helpful or not....but did it work when the
>weather was warmer?  I have the stock cruise control in my '89 Syncro GL,
>and whenever it gets cold it doesn't work (which means here in northeast
>Florida anytime it gets below 60 F....ok, ok, all you people in the great
>white north can stop laughing now!).  In fact, I never knew it worked until
>I moved to Florida, because it didn't work at all in the north.  Works like
>a champ here (above 60F).
>  What could it be about cooler temperatures that makes it inop?
> Anthony
> '89 Syncro GL (Hidalgo)
>
>
> Jim Felder <felder@KNOLOGY.NET> wrote: Bellows good.
> Pedal switches good.
>
> Removed vacuum pump and put 12V to it. It runs noisily, but doesn't
> seem to pull any discernible vacuum.
>
> Should it pull enough to hear a smack when a finger is removed from
> the vacuum side? Mine is too weak for that.
>
> Jim
>
>
>
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