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?
>
>