Thank you. Yes, I am trying to find the low side charging port. Seems
to me that one of the previous owners probably converted the A/C
system to work with R134a.

Fijoy

On Aug 30, 8:13*am, "Jerry Ryba" <yjr...@yahoo.com> wrote:
> Are you trying to find where the low side **charging** port is?
> If so it is on the AC line closer to the radiator, The Hi side port is
> closer to the firewall.
> I seem to remember that the thread size on these 2 ports are different (to
> prevent a mistake).
> If I remember correctly this car used R-12 freon.
> HTH
> JerryR
>
> "Fijoy" <tofi...@gmail.com> wrote in message
>
> news:73ed9aef-b623-4d89-a196-67dbb4dae59a@d38g2000yqi.googlegroups.com...
>
>
>
> > Hi all,
>
> > My 91 Accord is A/C system is low on the refrigerant because of a
> > small leak. I know that when I recharged the A/C during the last two
> > summers, the mechanics used the R134a refrigerant. This time, I am
> > thinking of doing the recharging myself. I was wondering, where is the
> > low pressure valve in this A/C system located? Thank you.
>
> > Fijoy- Hide quoted text -
>
> - Show quoted text -