[DeTomaso] Flushing the AC Condenser and Heater Core

[Larry Stock]

There are fairly inexpensive alcohol based A/C flushing fluids that we use by the gallon. If you use Ester base oils in your a/c system, you don't really need to flush out the residual mineral oils out of your systems and those residual mineral oils will seal the old hoses for R-134 use. You can make it complicated and expensive trying to save $ with common PAG oil systems.
Larry Stock

On 12/9/20, 6:43 AM, "DeTomaso on behalf of John Taphorn" <detomaso-bounces at server.detomasolist.com on behalf of johnftaphorn at gmail.com> wrote:

       Mike

       I flush the units with lacquer thinner. I simply attach a rubber hose
       on one end and fill with thinner. Then, I use light pressure and blow
       it through the unit. I use a second hose on the other end to direct
       into a pail. Then I can repeat the procedure multiple times.

       JT

       On Wed, Dec 9, 2020 at 1:24 AM Mike & Elizabeth
       <[1]mbefthomas2 at gmail.com> wrote:

         A  A I've got both the AC condenser and the heater core out of the
         car for
         A  A the restoration and need to flush them before installing a new
         AC
         A  A system.A  The AC has never worked/been used in the 16+ years
         I've owned
         A  A the car.A  I'll also be setting the new system up for R134.A
         I'd like to
         A  A ask the collective for advice on the best way to flush the
         condenser
         A  A and the AC side of the heater core so they are clear of all old
         oils
         A  A and chemicals before installation.
         A  A Should I take them to an automotive AC shop?A  Not sure how
         they would
         A  A pressurize them without being installed as a system.
         A  A Thanks
         A  A Mike Thomas
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