Quest Minivan SE V6-3.3L (VG33E) (1999)
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Do not introduce compressed air to any refrigerant container or refrigerant component, because contamination will occur.
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R-134a in the presence of oxygen and under pressure may form a combustible mixture. Therefore, never introduce compressed air into any R-134a
container, cylinder, A/C component, recover/recycle equipment, or other service equipment. This includes "empty" containers.
Refrigerant Terminology
Please use the correct name or names when specifying refrigerants. The guidelines are listed below:
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Freon --> is a registered trademark of DuPont, and should only be used if referring to DuPont R-12.
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DuPont's trade name for R-134a (automotive use) is Suva-->Trans A/C.
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When referring to refrigerants, the terms Freon-->and Suva--> should not be used as a general reference. The proper terms are R-12 and R-134a
Comments regarding refrigerants:
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R-12 and R-134a are not compatible with each other and should never be mixed, even in the smallest amounts.
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R-134a for automotive use has a special tank fitting size (1/2" - 16 ACME) which is compatible with automotive service equipment
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When purchasing R-134a, be certain that the fitting size on the tank is 1/2" - 16 ACME. This thread size is easy to recognize by the square thread, as
shown.
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Although R-134a has no ozone depletion potential (ODP), it does have a slight global warming potential (GWP). Due to this slight GWP, as well as
its high cost, venting of R-134a into the air is not recommended.
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Recovery/recycling of R-134a will be required by U.S. Federal Law, Clean Air Act Amendments of 1990.