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nice and cold!!

squeege on Fri June 10, 2011 9:08 AM User is offline

Year: 1988
Make: chevy
Model: suburban
Engine Size: 350 5.7
Refrigerant Type: 134a
Ambient Temp: 71
Pressure Low: 30
Country of Origin: United States

I have a dual air system and I've replaced the condenser with a parallel type, added electric fans as pushers, replaced dryer, adjusted the expansion valve, put in

orange orifice tube, new compressor, pulled a vacuum -30 for 2 hours and charged till i got 45 on low and 300 high on 90+F. I must have developed a small leak

somewhere because this spring the system was low. So I went to walmart and got a can of ezchill and filled it till the low side read 45 on 90F(just used the gauge

that came with the can). As I don't have my a/c equipment with me. I know that's not the right thing to do but it's working so far It's actually cooling better than it

was before! The compressor seems to run a little quieter than before also. I know as soon as i have access to my equipment i'll have to find the leak. But I just

thought that I would let ya know that I think by putting in the orange orifice tube that was what helped my situation because before that I could not get the temps to

down no matter what I tried. I even tried a self-adjusting orifice tube it did not work!















35 at vent. In the past I was having trouble getting the low side to go below 50 on a 90+ day. So I put the smallest(orange) orifice tube that I could find and I got it to

go to 45 on the low side on a 90+ day. Of course the high side also increased to around 300. I don't have my gauges with me so I don't know what the high side is

reading. All I have is the low side gauge that came with the can of refrigerant w/oil. All I do know is that the compressor is running nice and is not growling when it was

running at 300 when i had my gauges in the past.

TRB on Fri June 10, 2011 9:23 PM User is offlineView users profile

Great.

Death can saves compressor. In all the years I've been on this forum. That was a first.

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