I have a 96 GMC seira with a 350 vortec,the A/C cools fine at morning
startup or on the hwy,but when I go slow or am in town stop and go the A/C
stops blowing cooled air,I have charged it and its not low,I know the air
is flowing under the hood,I have cleaned it,can someone PLEASE help.
it is hot outside,Thank You!