[V8] AC Failure

[dsaad at icehouse.net]

Well - I'll bite -

I am 98.763% sure that this part can be replaced on the car without losing
freon. It is not that big a deal but may require a special tool or two.

Dave


Quoting "Coleman, David" <David.Coleman at blackrock.com>:

> I've posted twice recently about the same issue with no feedback.  I can
> engage the clutch by applying pressure to the clutch while it's running w/
> the AC on (yes, the fan's a-running and the belts a-spinning, so I'm pretty
> careful).
>
> I've examined the manual, but it doesn't cover the possiblity of servicing
> while on the car (and saving the R12).
>
> Do the codes go away when you manually engage the clutch?
>
> -DaveC.
>
> > Turns out the relay wasn't the fix.  (Which is good because it is an
> > expensive part!)  The culprit seems to be the clutch on the AC
> > compressor; it tries to engage, but starts slipping.  I cut
> > my losses @
> > $165 and still need to order a clutch and install it myself.
> >
> > Any BTDT experience with replacing this puppy?  I am assuming
> > that I can
> > leave the compressor in place and just R&R the clutch, right?
> >
> > I am curious as to why I am still getting these codes:
> > '09 - Coolant temp sensor G62 open circuit
> > '16 - High pressure sensor - short circuit
> >
> > Thanks in advance,
> >
> > - Jeremy
> >
> > -----Original Message-----
> > From: v8-bounces+jward=mti-interactive.com at audifans.com
> > [mailto:v8-bounces+jward=mti-interactive.com at audifans.com] On
> > Behalf Of
> > Jeremy Ward
> > Sent: Thursday, June 24, 2004 9:20 AM
> > To: Scott Baumann / Progressive Technology Solutions; v8 at audifans.com
> > Subject: RE: [V8] AC Failure
> >
> > Funny you should mention AC...  Mine has been down for a while and I
> > took it into the shop yesterday for a recharge; mine seemed to be
> > trying, but just couldn't do it.
> >
> > They ended up replacing 'the filter' (?) and said it was full of metal
> > shavings.  Said it didn't take much R12, but they are waiting on a new
> > AC clutch relay to arrive this morning (I am currently
> > sitting at a $300
> > bill...)
> >
> > You might check out Chris Miller's site:
> > http://members.aol.com/c1j1miller/climate.html
> >
> > You can pull codes from the climate control unit ('90-'91 only) to see
> > if there are any errors.  Hold down the Outside Temp and the
> > Off button.
> > Mine was scrolling between 09 and 16 and the relay was clicking on and
> > off.  Lets hope the new relay fixes it and my bill stays at $300.
> >
> > Hope the link helps,
> >
> > - Jeremy
> >
> > -----Original Message-----
> > From: v8-bounces at audifans.com
> > [mailto:v8-bounces at audifans.com] On Behalf
> > Of Scott Baumann / Progressive Technology Solutions
> > Sent: Thursday, June 24, 2004 8:58 AM
> > To: v8 at audifans.com
> > Subject: [V8] AC Failure
> >
> > Hello to all.  After some 80K miles of hard travel in the
> > past 1.5 years
> > with the old V8, she finally has come up with a failure (beyond normal
> > maintenance, that is!) that needs to be addressed.  I parked
> > her in her
> > stall for the night (run hard & put away wet?) with a fully functional
> > AC system, as cold as I could ever ask it to be.
> >     The next morning, my wife took a trip into the Twin
> > Cities and back
> > - pretty warm out - about 85 Deg F or so - and she came home
> > & remarked
> > that the AC was not working.  Strange.  Took her out for a spin to see
> > for myself.  Sure enough - the compressor is not willing to kick in.
> > The downside on this system is that, when the kompressor is
> > kaput, there
> > is no real fresh air source to the cabin that does not see a temp rise
> > from theh engine/climate control system.  Makes for a warm drive!
> >     I have done some limited research in the archives (all 6 months
> > worth), without much success.  One thing I will try is to splice the
> > relay conn's to see if the compressor kicks on (I believe
> > that bypasses
> > the high/low press and high temp cutout switches).  If the compressor
> > does indeed kick into service, I suspect that means that either I have
> > experienced a bizarre leakage of R12, or one of the various
> > switches is
> > shot.
> >     Any BTDT's on trouble-shooting the V8 AC systems??
> >
> > Thanks
> >
> > Scott Baumann
> >
> >
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