Honda Car Forum

I attempted to add a little 134a to my 95 Civic because the low side
pressure was at the low end of normal. I followed the directions with
the kit but could not get the system to take any freon. In fact, when
I gave up, the low side pressure was a little less than when I
started. Is there a trick to recharging this system?

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I am assuming you know that the engine should be running and the A/C
should be turned on. I had a similar problem once, I got some freon in
there but not enough. I put the freon can (or in your case the R134a
can) in a bucket of hot water to keep the pressure up. Also, turning the
ventilation system to recirc and max heat with the A/C on should ensure
that the compressor stays engaged.

Ken W wrote:
>
> I attempted to add a little 134a to my 95 Civic because the low side
> pressure was at the low end of normal. I followed the directions with
> the kit but could not get the system to take any freon. In fact, when
> I gave up, the low side pressure was a little less than when I
> started. Is there a trick to recharging this system?

The engine was running and the A/C compressor engaged. Didn't try the
hot water trick but have tried it in the past when I wanted to get the
last little bit of "freon" out of the can.
Any other ideas?

Randolph <trash@junkmail.com> wrote in message news:<40E70B72.BC2A65BC@junkmail.com>...
> I am assuming you know that the engine should be running and the A/C
> should be turned on. I had a similar problem once, I got some freon in
> there but not enough. I put the freon can (or in your case the R134a
> can) in a bucket of hot water to keep the pressure up. Also, turning the
> ventilation system to recirc and max heat with the A/C on should ensure
> that the compressor stays engaged.
>
> Ken W wrote:
> >
> > I attempted to add a little 134a to my 95 Civic because the low side
> > pressure was at the low end of normal. I followed the directions with
> > the kit but could not get the system to take any freon. In fact, when
> > I gave up, the low side pressure was a little less than when I
> > started. Is there a trick to recharging this system?