Quick refrigerant question.

"Rainbow" (rainbeaux) 06/24/2016 at 09:34 • Filed to: None

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So, I’m seeing that cars made before 1994 use R-12, and those made during/after use R-134a. But is that the model year, or the actual year of production? My car is a ‘94 model built in late ‘93.

MasterMario - Keeper of the V8s > Rainbow 06/24/2016 at 09:40

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It will depend on the manufacturer too I think. My dad said his ‘92 GMC Van took R134a, but my ‘93 F150 takes R12. I don’t know how accurate that is, but I was just talking about this yesterday with my dad since the A/C on my truck doesn’t work (and hasn’t since I bought it)

crowmolly > Rainbow 06/24/2016 at 09:40

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Do you have an underhood sticker? Should be something on the radiator cover or maybe on the compressor?

McMike > Rainbow 06/24/2016 at 09:41

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You can usually tell by the fittings. R12 and R134a fittings are different.

MasterMario - Keeper of the V8s > crowmolly 06/24/2016 at 09:41

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Or on the accumulator, that’s where it was listed on my F150.

Edit: wrong term

Ash78, voting early and often > crowmolly 06/24/2016 at 09:43

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Yeah, I want to say the stickers are a regulatory thing and are pretty conspicuously labeled. Mine is on top of the strut mount.

EL_ULY > Rainbow 06/24/2016 at 09:43

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some didn’t change til 1996. They make retrofit kits (service port adapters) and sell them at any auto part store. Either way, check you label located in your engine bay to see what it has and how much it takes

Some cars will need to change components to accept R134a (dryer, orifice tube, etc.) Check interwebz

Steve is equipped with Electronic Fool Injection > Rainbow 06/24/2016 at 09:44

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look for one of these:

Rainbow > crowmolly 06/24/2016 at 09:47

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I probably do... I’ll have to go look for that!

Aaron M - MasoFiST > Rainbow 06/24/2016 at 09:49

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Some vehicles also changed early, you can see some late 80s, early 90s vehicles that advertised “ozone safe AC” or something similar.

Future next gen S2000 owner > EL_ULY 06/24/2016 at 12:04

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orifice tube

*chuckles*

EL_ULY > Future next gen S2000 owner 06/24/2016 at 12:28

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lol