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Old 09-11-2013, 08:23 AM   #1
SKimpy007
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Condenser Hole A/C

Okay so first time doing some a/c work. I got a tiny hole in my condenser about 4 weeks ago so just got around to it and purchased another one.


Here is what I know since skimming through the forum.

The system takes 18 Oz R134A and 4.5 Oz of PAG 46



Here's what I don't know.



Where do I put the PAG/oil?

Which way is the best to pull the condenser out? Top or Bottom? I read someone said bottom but didn't give any description.

Is 4 weeks working on 5 too long and need to clean the system or something? I know moisture is the problem when a system is opened. So what other parts do I need?

Also saw some one talking about R152A and said it work amazing minus the whole fire part. Is it better? Should I use it?

I know the leak is the condenser so do I really need a pressure test?


Thanks!!!


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Old 09-11-2013, 01:07 PM   #2
Smokey1r
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Far as replacing the condenser, id use common sense in diss assembling as Ive never removed one from a focus before.

After you have replaced the condenser you need to vacuum the system down to 29.5 or 30 in.HG or as close to absolute vacuum as possible to evaporate as much moisture in the system as possible from it being compromised to atmospheric pressure. After commencing a leak down test for an hour (leaving the gauges attached, valves shut off to the vacuum pump and the pump off) there should be none or next to no loss in vacuum, if this is the case proceed with charging the system with the pag oil in the same manner as you would charge the R134A to the specified amounts. and enjoy cold AC once again!
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Old 09-12-2013, 01:52 PM   #3
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A 2009 Focus uses 0.51 kg (18 oz or 1.12 lb) of R134A refrigerant and 121 ml (4.1 fl oz) of PAG oil.

The condenser is removed out the bottom of the car. If you have an automatic the trans lines might get in the way and might need to be moved/ removed. Then the lower radiator support bracket will need to be removed and just the radiator supported with a jack or something.

Anytime the system is opened, you run the risk of debris entering the system as well as moisture. Both of which will wreak havoc on the A/C system. I would highly recommend that after you install the new condenser with new o-rings, that you take it to a reputable shop where they can vacuum, test for leaks, and then recharge your car with refrigerant.
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Old 09-12-2013, 01:54 PM   #4
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The 4.1 FL oz is the oil for the entire system. When replacing only the condenser, you add 60 ml (2 fl oz) added to the amount collected during refrigerant recovery only.
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Old 09-16-2013, 08:34 AM   #5
SKimpy007
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Thanks guys!!
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Old 09-28-2013, 07:09 PM   #6
gtferrari
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There is usally some inline filters on the car. I havnt done a focus yet but if there is it would a great time to replace them
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