after i bought my '87 i noticed that the heater duct/box under the dash on the pass. side was wide open! it looks like there is supose to be a front cover thing that screws on, well its missing and i cant get any air out any vents or defrost until i find a cover for this. if anyone can please help me out i would reall apreciate it! thanks

 

well, i still cant find anyone who knows what i need, still need advice. thanks