G garyft New member Joined Apr 25, 2010 Messages 9 Reaction score 0 Points 0 Sep 28, 2012 #1 Just picked up this 92 Sierra, and before I dig into it can anyone tell me if it came stock with R12 or R134 refrigerant?
Just picked up this 92 Sierra, and before I dig into it can anyone tell me if it came stock with R12 or R134 refrigerant?
D dirtclod New member Joined Sep 6, 2010 Messages 161 Reaction score 0 Points 0 Sep 28, 2012 #2 Don't know but the service ports for 134 are larger and different than the r-12 systems. Check the ports on a newer vehicle. If they're the same as yours, you have 134. If no, you have 12.
Don't know but the service ports for 134 are larger and different than the r-12 systems. Check the ports on a newer vehicle. If they're the same as yours, you have 134. If no, you have 12.
P PilotWolf New member Joined Jul 11, 2012 Messages 2 Reaction score 0 Points 0 Location Lomita, CA Sep 29, 2012 #3 My '91 has R12 W.
G garyft New member Joined Apr 25, 2010 Messages 9 Reaction score 0 Points 0 Oct 1, 2012 #4 After getting under the hood, it looks like it's set up for R134.
