Mechanics

WHERE DO I ADD THE 134A REFRIGERANT.

1996 Cadillac El Dorado • 226,000 miles

I read the "How to Re-charge an Air Conditioner System" The picture and explanation says to hook to high and low pressure ports. Where are the high and low pressure ports and where do I hook the can of coolent up? Do you have a diagram to show these ports?
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U777free
March 27, 2012.




I strongly advise you not to attempt this. The refrigerant is pressurized and very dangerous. You can also do a lot of damage to the system if not done correctly.

Wrenchtech
Mar 27, 2012.


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