Quote:
Originally Posted by cadillackid
thats a carpenter.. pull down your electrical panel door and there will be a couple screws through the bottom of that box into the heater unit.. find and remove.. mine were random..
next pull that vertical panel that is just in front of the heater.. it slides up underneath the defroster box.. take out the screws... gently pull it out from the bottom then pull down.. repeat till it pops loose.. (you'll have to remnove the control valve handle)
now pull the front off of the heater box.. screws along its edges..
disconnect the heater hoses going intop the box.. you'll lose alot of coolant (do be sure your underhood valves are closed to minimize the loss)
there are screws going into the floor right along the front and possible one or 2 near the the bus wall..
disconnect the defrost Hose (or cardboard tube.. it may be either). it goes from the box up inside to the defroster vent. stuffed behind where htat vertical panel was)
disconnect the wires, most likely the wires are either clamp-spliced together or are original and just 2 orange and a black or 3 orange going to each motor.. if its like mine there are 3 motors in the box.. MARK THE WIRES.. before cutting them.. then cut them in such a way you can put them back together easily when re-installing the heater.. (yes you want this heater.. its your main source of defrost and driver heat)..
now the box should be able to be rocked back and forth to come out.. it will slide out leaving your electrical panel above intact... if it doesnt move at all make sure you didnt miss a screw..
I had to gently use a pry bar against bus sidewall. low down to get it to start to move.. then it worked its way out pretty good..
NOTE - the ONLY way to replace a motor on those boxes is to remove it from the bus.. so if you are putting it back in.. I STRONGLY suggest brand new motors and cleaning the whole thing up...
I gutted mine and rebuilt it with completely new guts. (I wanted dash A/C)..
hope this helps
-Christopher
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Im going clean that whole section..its nasty, but asfor replacing the motor? Not going to do that. Also, no critter nests!