An a/c unit can also remove moisture from the air. No moisture means no condensation or frost on the wind screen. Everything is as it should be.
you probably have a vacum leak. my 94 f150 used to shift from vent to defrost when it got in a little pull.once the truck was on flat it would shift back to vents.got to checking and found split in a vacum line.taped it up and works fine.
It does not have a cabin filter.
The rear window defrost/defog heater grid.
It only stays on when the air flow is turned to defrost. It does this because the air condition has a dryer on it that dries the air which defrosts the windshield better.
not getting heat into cab not even enought to defrost windows i have changed the heater core an thermostat an back washed the core and still nothing
no
The 2007 Chevy truck dash will bolt into a 1998 Chevy truck if both vehicles are the Silverado version of the truck. The dash is different for the lower versions of the interior options.
There is no such thing as a 310 Chevy truck.
Yes
No it will not.
No they will not.
Yes because its the SAME YEAR truck