A/C Leaking out low service port
Thread Starter
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New Member
Joined: Jul 2018
Posts: 61
From: BC, Canada
A/C Leaking out low service port
Bought my blazer with 185k on it, a/c never worked. Summers comjng up so I just tried to charge it, and aside from the compressor kicking on and eating up the pressure and then dying, it wants to leak all the a/c pressure out of the low pressure service port. As soon as I pull the hose off it leaks.
Is this a common issue? Indicitive of anything? If I leave the hose attachment and a/c recharge can on it works fine. Would leave it all hooked up but the can would probably explode w all that heat.
Is this a common issue? Indicitive of anything? If I leave the hose attachment and a/c recharge can on it works fine. Would leave it all hooked up but the can would probably explode w all that heat.
Thread Starter
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New Member
Joined: Jul 2018
Posts: 61
From: BC, Canada
What would the consequences be if I didn’t?
BF Veteran
Joined: Jan 2007
Posts: 4,631
From: Florida
Junior Member
Joined: Oct 2008
Posts: 325
From: Pasco,WA
Air gets trapped at the top of the condenser coil causing the head pressure to climb, which lowers the cooling capacity. Moisture will mix with the oil and eventually start forming acid which will damage a lot of internal parts (especially that expensive compressor).
Super Member
Joined: Sep 2013
Posts: 1,150
From: wyoming
Nobody is going to agree with me But ---- If you had any pressure at all left in the system and if you didn't loly gag around changing the valve out you should be fine ---- The leftover vapors will actually still work its way out and slow any air contamination --- There is more air in a home fill kit's hose than you let get in changing the valve ---- changing out major parts as compressors or having the system wide open is when problems begin without a vacuum pull ....
BF Veteran
Joined: Jul 2013
Posts: 2,422
From: Northeastern Nevada, USA
Nobody is going to agree with me But ---- If you had any pressure at all left in the system and if you didn't loly gag around changing the valve out you should be fine ---- The leftover vapors will actually still work its way out and slow any air contamination --- There is more air in a home fill kit's hose than you let get in changing the valve ---- changing out major parts as compressors or having the system wide open is when problems begin without a vacuum pull ....
