R12 to R134 conversion

goodneighbour

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Ok, I`ve found a kit for the compressor, now what is involved in converting it over? I know a system flush and a oil change is needed but what else.Be nice to be cool in my stool next summer, it`s friggin hot in a triple black car in July:devil3:
 
"
Until 1995, most cars with air conditioning used R-12 Freon refrigerant that is said to have a negative side effect of damaging the ozone layer and is no longer produced in most countries. Now, the industry standard is R-134a, which is an efficient absorber and carrier of heat without the ozone layer damaging issues of R-12. Contrary to popular belief, most cars originally equipped with R-12 can be converted to 134a and still keep you just as cool.
Recommended steps to converting your Ford R12 air conditioning system to 134a.
1962 & Newer Systems

Minimum Requirements:
  • Change or restore the filter-drier.
  • Drain the compressor oil and recharge with 134a compatible oil. (PAG or Ester Oil)
  • Insure that the system is clean and free of contaminants (Depending on component condition, this may be a simple matter of blowing out with compressed air or liquid flushing with an air-conditioning flushing agent)
  • Replace or restore all rubber hoses with barrier hose.
  • Remove EPR valve from compressor’s suction port
  • Install thermostat.
  • Charge with 134a between 70-80% of the original R12 charge amount.
  • Replace any o-rings with 134a compatible.
HELPFUL HINTS
  • Ignore the sight-glass. A properly charged 134a system will likely show bubbles in the sight-glass.
  • Typical 134a charge rate will be approximately 70-80% of the factory R12 charge amount. "
from http://www.classicautoair.com/OEM-Air-Conditioning.html

not endorsing the company but it's a start

good luck
 
"
Until 1995, most cars with air conditioning used R-12 Freon refrigerant that is said to have a negative side effect of damaging the ozone layer and is no longer produced in most countries. Now, the industry standard is R-134a, which is an efficient absorber and carrier of heat without the ozone layer damaging issues of R-12. Contrary to popular belief, most cars originally equipped with R-12 can be converted to 134a and still keep you just as cool.
Recommended steps to converting your Ford R12 air conditioning system to 134a.
1962 & Newer Systems

Minimum Requirements:
  • Change or restore the filter-drier.
  • Drain the compressor oil and recharge with 134a compatible oil. (PAG or Ester Oil)
  • Insure that the system is clean and free of contaminants (Depending on component condition, this may be a simple matter of blowing out with compressed air or liquid flushing with an air-conditioning flushing agent)
  • Replace or restore all rubber hoses with barrier hose.
  • Remove EPR valve from compressor’s suction port
  • Install thermostat.
  • Charge with 134a between 70-80% of the original R12 charge amount.
  • Replace any o-rings with 134a compatible.
HELPFUL HINTS
  • Ignore the sight-glass. A properly charged 134a system will likely show bubbles in the sight-glass.
  • Typical 134a charge rate will be approximately 70-80% of the factory R12 charge amount. "
from http://www.classicautoair.com/OEM-Air-Conditioning.html

not endorsing the company but it's a start

good luck
Is it typically the same for a mopar as a CHOKE COUGH GAG Dorf!
 
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