Re: [AMC-list] 1969 AMX Air Conditioner

["Armand Eshleman" <aje1@xxxxxxxxxxxxxxx>]

my reply,

1. The plate is held in there with "minimal" amounts of metal intact. It's
meant to be an easy punch out at the
factory. That's why they brush sealer over it.
The issue really is doing it carefully enough not to damage the surrounding
firewall metal. Remove it from
the side that it's "punched" into, do so gently by pushing on it from the
punched in side until it yields in the rotation plane that's defined by the
remaining un-punched metal.

2. Find a good hot rod A/C shop or a local shop that can fabricate A/C
hoses. Some advice here might be to convert
the system from flare joints to "O" ring joints. the seal is much more
positive and less prone to leakage. R134A will more
than likely seep through the old hoses. R-12 might too. A 40 year old hose
is not conducive to reliable usage.

3. Convert to R134a, the Sanden compressor is much more efficient, less
power robbing and much less vibration.

4. Disassemble the unit as far down as you dare and clean all thoroughly
with water/dish detergent (Dawn dish soap) solution.
    Rinse with a something that will kill mold and mildew. The housing is
made out of fiberglass and polyester resin, so don't use
anything that attacks it. I painted the outside of the housing with
Rustoleum and let it cure for several months.

You will want to be very thorough with all the cleaning if there was any
sign of critter activity in donor car. Those pesky critters climb into every
nook and cranny and deposit smelly stuff there that will come back to life
on a hot day.

Search the internet for sites related to A/C for hot rods, there is a guy in
California who fabricates new condensers and evaporators for vehicles. Can't
remember the name right now. I'm sure he isn't the only one willing to do
A/C stuff........

Hope this helps.

Armand




> I am converting a 1969 AMX from non AC to an AC car with parts from a 1968
> Javelin out of a junkyard.  So far i have four questions/concerns
>
> 1.  How/which way does the plate in the fire wall knockout once you remove
> the two cap screws? (
> http://img.photobucket.com/albums/v436/volcomstone86321/AMX/IMG_0558.jpg &
> http://img.photobucket.com/albums/v436/volcomstone86321/AMX/IMG_0557.jpg)
>
> 2.  One of the Hoses has some chunks missing out of it (
> http://img.photobucket.com/albums/v436/volcomstone86321/AMX/IMG_0556.jpg)
> how would i go about getting the hoses replaced if (a) i want to stick
with
> the R-12 or (b) convert to R134a
>
> 3.  Do i need to convert to R134a to update to the more efficient sayden
> compressor
>
> 4.  At some point in time some one mentioned opening the under dash part
of
> the system and spraying some sort of mold/mildew killer so the air going
> through it would not smell stale or like mold/mildew... any ideas or
> suggestions on what to use or any precautions... looks like the housing is
> two pieces held together with clips.
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