turns out the last -5 psi was due to the bucket of coolant being below the system. after raising the bucket above the car it filled in the last -5 psi.I just tried the tool now and now luck... still overheats, heater is still blowing cold. although when i pulled vacuum and tried to fill there was a left over -5 psi in the system. Could that be because the system was 100 percent cold overnight? and possibly the thermostat is not opening?
also, the driver side of the radiator hose and radiator itself is cool to the touch. the main return hose feels like its filled with hot steam. still sound like air in the system?
Letting it cool now and going to try again shortly
keeping stable temps at 230 now but gonna let it cool and power vacuum it again.
anyone know how much i should let it cool? when i open it its still warm but doesn't let out any steam or make any noises like pressure escaping.