30lb can 134a question

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  #1  
Old 05-26-07, 10:43 AM
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30lb can 134a question

Purchased a 30lb can of 134a to service my vehicles. I've been using the 12oz cans for the last 3 years but this was so much more economical.

My question...
Is there anything different in using the 30lb can than the 12oz can?
 
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Old 05-26-07, 12:36 PM
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There's no difference, but, why are you using so much 134a? You must have leaks in the system if you are using a 30lb bottle??
 
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Old 09-14-07, 12:21 PM
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Have 7 vehicles at home and 30lb from Sams way cheaper than by the can.
 
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Old 09-14-07, 02:19 PM
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A system with no leaks or defects should not require any 134a.
 
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Old 09-14-07, 03:44 PM
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Originally Posted by HotinOKC View Post
A system with no leaks or defects should not require any 134a.
I understand but when you have this many used vehicles to keep up and have three of your four kids left in college it's the path of least financial resistance to add a bit of coolant each year to the vehicles that require it.
 
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Old 09-14-07, 03:49 PM
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Gotcha, just as long as we are on the same page....
 
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Old 09-14-07, 04:19 PM
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$90 bucks a tank is what the shop gets them for.

I'm not sure how the small cans work, but you are gonna want to sit the tank upside down when you fill the system in the car.
 
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Old 09-15-07, 05:00 AM
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Didn't you have to have a license to purchase 134? If you have license you know how to use freon gauges. If you don't then read up. Liquid charging can ruin a comp. It's way cheaper than by the can but if your friends find out, it will go quick.
 
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Old 09-15-07, 07:50 AM
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You dont need a license to buy 134a. It's available in all autostores.
 
  #10  
Old 09-15-07, 08:42 AM
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Originally Posted by Mr. Dummas View Post
$90 bucks a tank is what the shop gets them for.

I'm not sure how the small cans work, but you are gonna want to sit the tank upside down when you fill the system in the car.
Should I shake the can a bit before charging or does that matter?
 
  #11  
Old 09-15-07, 10:51 AM
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no you dont need to shake it and you should be carefull when charging in a liquid or when using the tank upside down
and only crack the low side valve open enough to make a 5-10 psi pressure increase, cranking the valve open more while the system is running could liquid lock the compressor and damage it.
 
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Old 09-15-07, 03:18 PM
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Originally Posted by Mr. Dummas View Post
$90 bucks a tank is what the shop gets them for.
Was something like $77 - $78 plus tax at Sams if I remember right. Much cheaper than by the can.
 
  #13  
Old 09-16-07, 12:24 PM
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Sweet. If I ever need to buy a tank, I'll head to Sam's. Thanks for adding that Scrollmaster .
 
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