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R12 Topping Off



 
 
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  #37  
Old June 3rd 04, 08:18 AM
Spiderman
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Around $20/can... I figure if it lasts the season then that aint too bad!

"Scott M" > wrote in message
...
>
> "Spiderman" > wrote in message
> ...
> > I have a 1989 Chevy S10 Blazer that blows out warm A/C. It's low on R12

so
> > the compressor just cycles on/off. I'm gonna top it off with R12. Is a

> gauge
> > necessary or can I just play it "by air". Where can I find the normal
> > low-side, high-side pressure ranges?

>
> Just out of curiosity, how much are you going to pay for a can of R12 ?

Your
> gauges should read somewhere around 30 on the low, 250 on the high at high
> idle. This all depends on the temp outside and the condition of the
> compressor and the rest of the system. Feel the outlet (large) tube from

the
> evap to see ifs it cold, it will be when its full (if everything is good).
> If for instance the expansion tube is plugged, you will probably blow up a
> high side line while trying to get it cold. If it doesnt start to cool

after
> one can, be afraid Again, how much are you going to pay for a can of

R12?
>
>



 




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