EF Products, Inc. - Auto A/C Products & Sealing Solutions

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	AC Basics (17)
	Flush (2)
	Retrofit (14)
	Sealers (13)
	Sub-Zero Synthetic (5)
	Diagrams / Specs (4)
	Smart Charge (3)

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AC Basics	[ All FAQ In This Category ]
How do I locate my low side service port to perform service work?
How do I use an R134a charging hose to add R134a refrigerant to my system?
How do I know if my compressor is working?
What if my compressor clutch is not engaging but the pulley is spinning freely?
What about so called drop in refrigerant that I see advertised on the market?
Can I add R134a directly to my R12 system?
Which type of refrigerant and in which AC systems does Super Seal work with?
What is Sub-Zero Synthetic A/C Booster?
How do I know if my compressor is cycled on?
Picture showing low side service port for 1994 Camaro.
Picture showing Low-Side service port of 2002 Jeep Cherokee
Picture showing Low-Side Service Port of 1999 Honda CRV.
Picture showing the Low-Side Service Port on a 2003 Mazda Protege.
Picture showing the Low-Side Service Port on a 1999 Mercury Sable.
Picture showing Low-Side Service Port on a 2004 Toyota Land Cruiser.
My A/C is blowing cold but not as cold as I would like it. Will adding additional refrigerant make the air colder?
What kind of batteries should I use for the Smart Charge?
Flush	[ All FAQ In This Category ]
When should I flush my system?
What is a POE based flush?
Retrofit	[ All FAQ In This Category ]
When should I retrofit from R12 to R134a?
What is the difference between an "open system retrofit" and "closed system retrofit"?
What are the steps for an R12 to R134a Retrofit?
I heard that the R134a molucule is smaller then the R12 molecule. Will my hoses leak?
Will the higher pressures of the R134a harm my R12 system?
What happens to the mineral oil in an R12 system when R134a is added?
Does the origianl mineral oil need to be removed when doing an R12 to R134a retrofit?
Why does the Quest retrofit kit use PAG oil instead of Ester oil?
What is the difference between the #320, #321, and #323 retrofit kits?
How long has the Quest retrofit kit been available?
Wil the Quest retrofit kit work on my vehicle?
Should I flush the AC system before completing an R12 to R134a retrofit?
The recharge hose provided with the kit is plastic. Is it reusable?
The fittings in the retrofit kit are aluminum. Would steel be better?
Sealers	[ All FAQ In This Category ]
How does Super Seal Work?
How do I install Super Seal?
How do I know Super Seal works?
What size hole will Super Seal repair?
What if I have more then one hole in my AC system?
How long will the Super Seal repiar last?
What happens to the Super Seal if all the refrigerant leaks out and air enters my AC system?
Will Super Seal clog any component of my AC system?
Will moisture in my receiver/drier cause the Super Seal to activate?
Will Super Seal contaminate or damage AC recycling equipment if my refrigerant is recovered later?
Has the chemical technology is Super Seal ever been used before?
Has anyone ever used the sealant technology in AC systems before?
Which type of refrigerant and in which system does Super Seal work with?
Sub-Zero Synthetic	[ All FAQ In This Category ]
How does Sub-Zero Synthetic A/C Booster work?
What type of results can I expect by using Sub-Zero Synthetic A/C Booster?
How much Sub-Zero Synthetic A/C Booster do I need for my vehicle?
What products are available that have Sub-Zero Synthetic A/C Booster?
Can I use Sub-Zero Synthetic in my R12 system?
Diagrams / Specs	[ All FAQ In This Category ]
Typical Automotive A/C System.
Chart of R134a oil specs. by vehicle make.
R-134a System Pressure Chart
I get two pressure readings while checking my low-side pressure, which one should I use.
Smart Charge	[ All FAQ In This Category ]
How will I know when I should stop charging my system?
What happens when the battery charge is so low the Smart Charge cannot continue to provide accurate readings?
If I do not use the enite can of refrigerant can I leave it in the unit.