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Check the oz size of your can. The cans I remember using were 12 oz, but the amount of refrigerant is always in pounds. I think it's highly retarded (actually they make more money this way) that refrigerant for autos isn't made in 16 oz cans. Be sure you've done your division correctly. If you put only 2 cans in, you'll be 8 oz low by my math.

The absolute best way to do it is to put a set of gauges on it- you should be able to rent these at parts stores. 30-40 psi on the low side with the compressor running is optimal if memory serves me correctly. I always look it up first, but the optimal charge should be listed in your shop manual.
 
Finally found out where my will port is. In the passenger fender well. Sucks to get to....if you take off the wheel and peal back the wheel well it's easy to get to but I just turned the tire to the left and pealed the wheel well back a bit. A pain but I can get the r134 hose on it. I am heading to the parts store. How many cans should I get? Think it's 14oz a can. Also do I need to buy some oil or do all cans have some oil in it already? Maybe I should throw in a can of that stop leak stuff. FYI the system is bone empty. 06 ZX4 2.3l
Finally how many do you added?
 
The General AC thread was not available for him to read in 2009 when this particular thread was started. Here's a link for you, and it's also near the top of the Ford Focus Technical chat thread page.

General AC Troubleshooting and Repair
 
So, if you are replace the entire condenser with a new unit (assuming the system has been completely discharged), you will need to:
1. Install new condenser
2. Completely evacuate system
3. Fill with OEM amount of oil (I heard 30ml)
4. Recharge with r134-a.

Correct? I ask because I will be doing this next weekend.
 
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