My car does not have A/C but one of the bolts is accessed up through the fresh air vent on the right side. It is inside the box and is a "J" hook about 2.5" long that hooks to the dash frame on top and to the air box on the bottom end. Then there is the gaskets, or seals that have been there for a long time and probably are stuck. I had to use a light and mirror to find it, then I could reach it with a nut driver. Hope this helps! PK