how much 134a to charge a ac system after replacing a hose? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 6 Old 09-02-2004, 11:04 PM Thread Starter
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Question how much 134a to charge a ac system after replacing a hose?

i want to try and recharge my ac system with 134 because i replaced a broken hose and want to try and do it my self before bringing it somewhere first?hom much oil and charge shoukd i get?i know i should vacuum the system first but i figured i through 15$ at it fist and see if it works? thanks phil


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post #2 of 6 Old 09-02-2004, 11:48 PM
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It will work like crap unless you do a vacuum evacuation. Will be barely cold at all.

It is easy to get too much oil in the system. You need to drain everything and start over, or get a couple cans of the recharge that has like 2 oz oil per can. That should be enough added to what you already have in the compressor already.

probably best to replace the receiver/dryer right now.

Autozone rents vacuum pumps for free, just have to pay a big deposit.

Got your own gauges or no?

DO A SEARCH - both here on the corral and on Google.

You need to know as much about this as you can before tackilng this job. You can really screw crap up if you do it wrong!!

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post #3 of 6 Old 09-06-2004, 12:57 AM
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Question

Is it OK to use 134 in an old Fox?

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post #4 of 6 Old 09-06-2004, 05:32 PM
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Depends on your definition of okay.
You can't just throw some in and expect it to work correctly.

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post #5 of 6 Old 09-06-2004, 10:43 PM
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Quote:
Originally Posted by Puter
Depends on your definition of okay.
You can't just throw some in and expect it to work correctly.
They sell a kit at Autozone that states it is compatable with ALL automotive A/C systems. Comes with 3 cans of R134 and new style fittings to replace your old R12 fittings. The R134 has oil and o-ring conditioner in it. Anyone used this kit?

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post #6 of 6 Old 09-06-2004, 11:22 PM
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I used that kit when I changed my evaporator, perfect. Ice cold air.

Good luck!
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