I don't think I would have added freon to the HVAC in a 97 car. ;)
mike hunt
I need help.
> Have a 97 Camry. Cools fine even when its 110 deg. But the compressor
> cycles on nd off about every 20 to 30 sec. I added freon, reduced freon.
> I always cools the same. Cycles off at 25 psi. High pre is good, under 300
> psi. cools to 40 if even if outside 110 deg air or it is on recirculate. I
> can see the expansion valve start to let freon flow and let the low side
> pressure increase for a moment then the low side drops to 25 psi and it > cycles off.
>
> This air cools good , always to 40 deg. Even if it has a low charge or
> HIgh Charge, ambient temp is 80 deg or 115. If is is on recir or outside
> air. it consistently cools the same. it just short cycles.
>
> This started happening after it lost a slight amount of freon over the
> winter and I started to add. Sight glass looks good and no currant leaks. >
> Somebody please help?
>
> Mike