How to know if your aircon is already R134?

**Kanut** · January 5th, 2006 11:43 PM

Originally Posted by RedHotBlood

parang emission test din ang mangyayari dyan, sa una lang mahigpit pag nagtagal, money-making test procedure na naman.

absolutely right.the emission testing was supposed to reduce smoke belchers out on the streets.it turned out to be a money well for certain nutheads

**1997** · January 6th, 2006 09:48 AM

totoo yan... Had my emission test hindi man lang kinabit yung device sa tambutso ko... Result and bayad na lang... Kakilala kasi nung taga LTO... Although I bet hindi ako babagsak sa emission kasi I mentain my car Properly...

**RAC Tech** · April 12th, 2008 03:54 PM

1996 model up dito sa philippines kahit anong brand R-134a na siya, Pero my nabibili pang R-12 sa market, my mga shop R-12 ang ikinakarga para malaki ang kita, By 2010 sabi ng DTI totally di na makakapasok sa Philippines ang Refrigerant R-12, para masunod ang itinatakda ng Clean Air-Act.....mabuhay...

**mbeige** · April 12th, 2008 04:36 PM

Actually, R134a was mandatory in 1994 so you can see cars that have R12 for 1993 and older models, while 1995 and above usually already had R134a as standard. I have seen this myself since my wife's former 1993 Sentra had R12 while our 1995 Corolla had R134a.

R134a is a smaller molecule so if you want to have it converted, have all seals and O-rings replaced so that the smaller molecules will not escape as easily as R12. R12 has larger molecules so with the normal seals and O-rings it won't readily escape through leaks. Also, since R134a is a less dense substance, a higher pressure is required to run the AC system in a converted vehicle (usually cars 1993 and below) so you might expect a bit more fuel consumed through this. If the R134a is standard on the vehicle then you don't have to change fuel consumption figures to compensate for it.

**daimaoh** · May 1st, 2008 01:03 PM

i own a 97 nissan sentra lec. r12 pa rin sya.

sabi sakin ang kailangan for conversion is flush the freon & oil, change the drier, then load up with r134 coolant.

malaking tanong nga kung paano made-determine ng lto kung r12 or r134. ok lang siguro kung yung mga compliant lusot na. pano yung r12 na converted to r134?