Originally Posted by dieseldan44

thanks again for the help -

i see the schrader valves listed on this site. are they the same as generic ones at an autoparts store? im hoping theres nothing special about them...

what does this magical tool look like to service the port while full and where do i get one?

i am an inexperienced AC tech at best - i probably over tightened the hoses on the car and maybe on the gauge set. good thing i have a second gauge set.

i also just scored a 30lb tank of R12 on CL for $100 :-) ... so i am ready to get this all fixed.