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A/C Works, then Doesn't...?

Burls117

Burls117

New member
I have a 98 Grand Prix GT (L36) and the air wasn't cold at the beginning of summer. So i tried a can of super sealant and R-134a(2 cans)...The air was super cold for like 2 weeks. But now the passenger side is blowing pretty cold and the driver side is just luke-warm. My girl friends Grand Prix did the same, but she has climate control, so i figured it was an issue with that. But now mines doing it and I don't know why it's inconsistent; and not staying as cold. How do you know if it's a leak in the compressor or lines, or something else?
 


To be honest, your best bet is to take it to a shop and have them look at it for you. You need gauges and other stuff to properly diagnose what is happening.
 
Thanks...Any way to tell where there is a leak; if it's in the compressor or the line? Because today it wasn't cold at all :(
 
You can get a leak dye for the 134a. But if you take it to a real shop they should have an electronic leak detector that they can sniff around with, and gauges to see what it is doing.
 


The only stuff that i would trust would be nu-calgon stuff, but its more for residential than automotive.
 
AjL227 said:
Buy a set of R134 hot/cold side gauges, and study up on A/C systems for the DIY fix.
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It can be but you need a vaccum pump and the disconect fittings for the automotive type fittings and all that other garbage. Refrigerant is about $35.00/lb so you won't be saving much in the long run.
 
whiney said:
It can be but you need a vaccum pump and the disconect fittings for the automotive type fittings and all that other garbage. Refrigerant is about $35.00/lb so you won't be saving much in the long run.
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Untill you start filling other peoples cars.
 


01GTP said:
never put that sealer **** into the system. All it does is ruin everything.
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It plugged my orifice tube. That was fun to change....my arms are tore up. :th_nervous:

ALWAYS take AC work to a shop! A vac and fill was 60 bucks after I changed my 4 dollar orifice tube.
 
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