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Re: Dash lights went out and so did the lights for the...
Sounds like you may of blown a fuse. I would check the fuses and make sure they are all good if one is bad I would try to find what caused the fuse to blow.
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If they replaced the heater core, they had to remove the dash and disconnect a lot of wires. Take it back to who did your work and have them recheck their work.
You must mean your AC stopped blowing cold air.
This would not cause any dash lights to indicate a problem.
As your car can continue operating indefinitely with out the AC working. It only effects your comfort.
Now what to do.
Most people don't have the tools or the knew how to work on AC.
So it's most likely time to take your car to a good auto repair shop most have the tools to fix AC.
motor is probly old and drawin tumuch currant--or wire has alota resistence or corrosion-------if u dont git this fixd then the ac fan switch will soon burn out--replacin motor is not easy-need a shop book and take the dash out--inspect heater core and ac evaporator while in there to save $$--old car-----enjoy
Typically, all those controls are contained within a single module. You can't fix it. You need to find a rebuilt unit for the model and year of your vehicle. I put one in a '92 Le Sabre myself a few years ago. Go online to find the part under " rebuilt ac/heater control module" or something similar. You'll almost certainly have to pull the entire dash out to remove the old unit. Pay close attention to the wiring so you get it right.
Check your A/C heater controls at the dash, it is not controlling the opening and closing of doors inside your dash, it might need to be replaced or some rods or levers got accidently disconnected when they were installing the Expansion Valve. The shop that repaired your A/C is responsible for making sure everything is working properly.
You need to but a scanner on the computer and activate the AC. If it does not activate you may have a bad PCM. Also if the pressure in the AC is low it will not run. Also you have a AC relay in the engine fuse box.
Now for the bummer part. I have this same truck. Replaced heater core and I didnt get the blend door quite on track and it jammed. I had to take the dash off again. Also your center heat control may be bad.
I don't think these two problems are related. Even without AC your heat should work. Do you have rear climate control also. See if that works. If it does you may have a jammed door for the dash area
According to the book, 1 day. You'll have to schedule the event with your handy motor shop.
I'd like to do the repair myself on my own 1987, and according to the Haynes & Chilton's books, the repair requires removing the dash and evacuating the AC. I'm not willing to evacuate the AC, so for the last ten years I've been living without a heater. Lucky for me I'm in Florida!
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