A/C system capacities.
Limping across the line
Joined: Oct 2002
Posts: 5,299
Likes: 109
From: Peoria Az
Thread Starter
Racer
Joined: Apr 2006
Posts: 322
Likes: 0
From: Rockford MI
Thanks Guys, Mel, converting to 134. So if I understand correctly i need 80% of the 48 oz of R 12 required. Yes there is a sticker that talks about oil, but I just wanted to see what GM said for an oil quantity.
AZ, thanks for the link but it only goes back as far as 85.
AZ, thanks for the link but it only goes back as far as 85.
Burning Brakes
Joined: Nov 2004
Posts: 1,193
Likes: 176
From: Hillsborough NC
If you are converting to R134, do yourself a favor and change out the orifice nozzle as well.
The orifice nozzle is responsible for taking the liquid freon from the compressor and turning it into little droplets. The purpose of the droplets is to absorb the heat and vaporize in the evaporator on their way back to the compressor. The heat absorption boils the freon and turns it back into a gas, and cools the air.
Go to your local Ford dealer and get the 'blue orifice nozzle.' The screen is the correct size for R134
My system works very well after the conversion.
Also, you want to make sure every part is clean before putting the new oil and freon in it. mineral spirits should be used to clean the old oil out from the parts.
Good Luck.
The orifice nozzle is responsible for taking the liquid freon from the compressor and turning it into little droplets. The purpose of the droplets is to absorb the heat and vaporize in the evaporator on their way back to the compressor. The heat absorption boils the freon and turns it back into a gas, and cools the air.
Go to your local Ford dealer and get the 'blue orifice nozzle.' The screen is the correct size for R134
My system works very well after the conversion.
Also, you want to make sure every part is clean before putting the new oil and freon in it. mineral spirits should be used to clean the old oil out from the parts.
Good Luck.
Advanced
Joined: Dec 2013
Posts: 52
Likes: 2
From: Brunswick OH...IO!
If you are converting to R134, do yourself a favor and change out the orifice nozzle as well.
The orifice nozzle is responsible for taking the liquid freon from the compressor and turning it into little droplets. The purpose of the droplets is to absorb the heat and vaporize in the evaporator on their way back to the compressor. The heat absorption boils the freon and turns it back into a gas, and cools the air.
Go to your local Ford dealer and get the 'blue orifice nozzle.' The screen is the correct size for R134
My system works very well after the conversion.
Also, you want to make sure every part is clean before putting the new oil and freon in it. mineral spirits should be used to clean the old oil out from the parts.
Good Luck.
The orifice nozzle is responsible for taking the liquid freon from the compressor and turning it into little droplets. The purpose of the droplets is to absorb the heat and vaporize in the evaporator on their way back to the compressor. The heat absorption boils the freon and turns it back into a gas, and cools the air.
Go to your local Ford dealer and get the 'blue orifice nozzle.' The screen is the correct size for R134
My system works very well after the conversion.
Also, you want to make sure every part is clean before putting the new oil and freon in it. mineral spirits should be used to clean the old oil out from the parts.
Good Luck.
Burning Brakes
Joined: Nov 2004
Posts: 1,193
Likes: 176
From: Hillsborough NC
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