Re: Elevating RPMS Culprit found?

["Allyn" <amalventano1@home.com>]

when the temp adjust is left of the center 'notch', it uses the compressor more and more as you go
to the left. once left of the notch the idle is bumped up to compensate for the compressor. right of
the notch and there is no compressor use, so idle kicks back down.
with ignition on and fan in low (and one of the 'blue' climate control functions selected), moving
temp control to left of center notch should turn on rad fan (low speed) + compressor clutch
(assuming freon is in there) + increase idle (not noticed if compressor works) + click should be
heard from a relay in the fuse panel (umm, load something, i forget the name).
note: rad fan may go high speed based on a/c system pressures.
al

Allyn Malventano, ET1(SS), USN
87 rocco 16v (rieger gto - green - 'der rocco' - restoration in progress)
87 jetta 8v wolfsburg 2dr (260k, still tight :)

----- Original Message -----
From: "Brad Sayer" <vwrocco85@hotmail.com>
To: <green536@hotmail.com>; <tberk@mindspring.com>; <acnpersaud@hotmail.com>
Cc: <scirocco-l@scirocco.org>
Sent: Tuesday, June 19, 2001 9:18 AM
Subject: Re: Elevating RPMS Culprit found?


> The heater is attached?  I thought it was the selection lever (to choose AC)
> and then the fan switch when on defrost?  Perhaps I could be wrong...its
> happened once or twice!
>
> Brad
>
> 87 16V
>
>
> >From: "Chris DeLong" <green536@hotmail.com>
> >To: tberk@mindspring.com, acnpersaud@hotmail.com
> >CC: scirocco-l@scirocco.org
> >Subject: Re: Elevating RPMS Culprit found?
> >Date: Tue, 19 Jun 2001 06:13:42 -0000
> >
> >
> >
> >OK well since nobody has mentioned it..... Your heater control is
> >electically connected to the AC relay which in turn makes the idle high and
> >the radiator fan come on. I removed the AC on my wifes Jetta when I put the
> >new engine in and bypassed the relay so that it would work on speed #4
> >without bumping the idle or turning the rad fan on. Sorry, I dont remember
> >which terminals I jumpered for this but it should be pretty simple if you
> >look at your Bentley.
> >
> >
> >>Andre Persaud wrote:
> >> >
> >> > Thanks for all the replies
> >> >
> >> > Here's what I noticed today. BTW no ac with no charge.
> >> > Driving around no high rpms. Highway again and then local the rpms came
> >>up.
> >> > AC fan on at this time,. When I turned the fan off the rpms came down.
> >> > Turned the fan on, pushed slider to heater, rpm came down. Turned
> >>everything
> >> > off, rpms came down to about 1000.
> >> > Likely no charge in ac, otherwise everything as before. Can this be a
> >>reason
> >> > for this?
> >> > Thanks
> >> > Andre
> >> >
> >> > Saw Allyn's shtick about the Autozone recharge so I went and bought
> >>one.
> >> > Will tell of my experience soon.
> >> >
> >>
> >>Hey- the Autozone thing was a different kind of coolant than what you
> >>have i the car now (if still stock).
> >>
> >>btw- What you relate is standard for the A/C equipped cars; they idle
> >>higher to offset the drag on HP of the compressor engaged.
> >>
> >>TBerk
> >>
> >>--
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> >>
> >
> >
> >Chris DeLong
> >ICQ#45030867
> >Seattle, WA USA
> >'80 16V 'Rocco ragtop
> >'91 GLi 2.0 16V
> >'77 Rabbit 16V
> >'80 'Vert (parting out!)
> >'61 17 Window type II
> >'91 Vanagon
> >'77 Rabbit (for sale Cheap!)
> >
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