[AT] OT - Chevy Autotrac transmission question

charlie hill chill8 at cox.net
Mon Dec 5 05:25:34 PST 2005


Depends on the year.  Most GM transmission functions from 95 up are 
electronic.  Before 88 would be vacuum.  Between 88 and 95 might be either 
depending on make and model.

Charlie
----- Original Message ----- 
From: "Rick Cook" <cookrick at istar.ca>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Sunday, December 04, 2005 7:33 PM
Subject: RE: [AT] OT - Chevy Autotrac transmission question


>I may be wrong, but don't most of those "switches" require some kind of
> vaccum to activate on the transmission end?
>
> -----Original Message-----
> From: at-bounces at lists.antique-tractor.com
> [mailto:at-bounces at lists.antique-tractor.com]On Behalf Of
> badams at tractors.bloomington.in.us
> Sent: Sunday, December 04, 2005 2:06 PM
> To: Steve W.
> Subject: Re: [AT] OT - Chevy Autotrac transmission question
>
>
> Thanks guys, It sounds like I should avoid this one but I've never shied
> from a mechanical challenge.
>  The lights did come on when I pressed the buttons so it may be
> some sort of failure to latch or a indicator problem.
>  I think I heard things happen near the transfer case on occasion.
> Should I be able to hear the elecric clutches with the ignition on and the
> engine off?  Would I hear them pick-up and drop-out?
>
> Thanks again,
> Brice
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