Have a problem on the XG (efi) that when I'm running up a hill for too long that the vacuum keeping the a/c running through the vents drops to a point where the air circulation switches to demist - the default
I know on my early 70's Cougars there is a small can in the heater control system to retain vacuum in the line.
Is this a common problem or do I have something wrong in the HVAC system? i would suspect it would be common across XE and XF as well?
I know on my early 70's Cougars there is a small can in the heater control system to retain vacuum in the line.
Is this a common problem or do I have something wrong in the HVAC system? i would suspect it would be common across XE and XF as well?