Quite honestly I believe I have a good servo. I am no stranger to similar
mechanisms and this thing seems to be working fine now. Like I say it is
cooling but the fan just won't stay on full time. Could be the servo and I
will have to play with it a little more but ... From what I understand the
"new" servo is a new body with the same guts so unless your body is cracked
what are you really gaining? I know there is basic troubleshooting available
on the site but too bad we did not have some detailed troubleshooting as
this system is really not that difficult from what I can see.
Robin Giesbrecht
>From: "William Herbert" <Willbarc@xxxxxxx>
>Reply-To: mailing-list@xxxxxxxxxxxxxxxx
>To: "Imperial" <mailing-list@xxxxxxxxxxxxxxxx>
>Subject: Re: IML: auto temp II
>Date: Wed, 4 Jun 2003 09:42:12 -0400
>
>Do yourself a favor and save the headache of messing with that thing. It's
>a crappy situation alltogether with these units. I have parts from three of
>these things....and not a one of them is any good. If you really wanna get
>the unit working....first get the good servo. I have never bothered to get
>one..but I cope. Still have heat ... Just ask yourself how bad you want
>the thing to work. Then spend the money accordingly. If you bypass the
>servo..you will have heat.(if the vaccum circuits are good) Luckily in HI
>DEF....I have a blower. The car gets really really toasty. I know one
>thing, these cars should have all had rear heat/def. I don't ...wishing I
>did. Maybe I will put it in someday. (maybe)
>
>Will
>
>----- Original Message -----
>From: Robin Giesbrecht
>Sent: Wednesday, June 04, 2003 1:47 AM
>To: mailing-list@xxxxxxxxxxxxxxxx
>Subject: IML: auto temp II
>
>Ongoing saga of auto temp II in a 72 Imperial. It worked fine when I bought
>it about a year ago. But then the body cracked. Found another on a Mercedes
>at the junkyard. Could not believe it. So slapped that one on. Well it did
>not leak and since it was winter warm air was fine. I then disassembled the
>original and discovered it is not that complicated at all. The inners of
>the
>original were in like new condition. Then I pulled the one from the
>Mercedes
>apart as it would not give me any cold air. Well the insides of this one
>were a complete disaster.Corrosion everywhere. Got moisture inside it
>somewhere along the way. OK. Swap innards from original over to the
>Mercedes
>body. Great. Now it makes cold air but will not blow except for a short
>blast after I switch it from Hi Def. Also when the switch is selected to Lo
>auto or Hi Auto there is a definite vacuum hiss coming from the selector
>unit. I had this out also but not much you can do with it. Anyone have a
>spare or know of a junker that could donate one? I think that might be my
>problem. Any other ideas? I know a new aluminum servo would be nice but
>money is tight right now.
>
>Robin Giesbrecht
>
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