Re: 164 A/C Mystery

["Daegrigg (Don)" <daegrigg@xxxxxxxxxxx>]

Ed,

Richard may be on to something re. the pressures.  Not doubting your
mechanic's guages, but I did not get cold air until about 40 psi low side
when I charged my S.  I know this is on the high side of the manual spec but
if your clutch is engaging and pressures are OK, you should have a cold
line.

Re. the steppers, the stepper for mixing hot/cold air is located on the
passenger side near the pop-out panel with tire pressure info. If your
stepper is not working, you can manually move the  the door to the "all
cold" (toward engine compartment, I think) through the access door.

----- Original Message -----
From: Richard Bies <bies@domain.elided>
To: <alfa-digest@domain.elided>
Cc: <parise3307@domain.elided>
Sent: Tuesday, August 19, 2003 12:02 AM
Subject: Re: 164 A/C Mystery


> What are the steppers doing?
>
> If the air-stream is directed through the always-hot heater core, no cool.
>
> {Try it with the engine cold?}
>
> (However, the running pressure numbers sound flaky to me -- I think the
> pressures should vary quite a bit, and should go high enough to cause the
> fan to run periodically.  It seems to me that either the appropriate line
> should get cold [the r/d and the condensor should also get hot] -- or the
> pressure should rise enough to shut-down the compressor....if the system
> is actually charged and operating....)
>
> r.m.bies
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