I put in new compressor in sister n laws car past summer. I blew out lines and replace accumulator. She didn't have a dual a/c (front/back)

I have a 3.8---06--grand caravan--rear and front a/c. I don't understand how I would blow out the lines with air to go through the lines all the way back to the rear evaporator. HOw is all that done? Can I just blow out the front lines only be removing front expansion valve and let the junk come out there?

 

You have to do the front and rear seperately. Disconnect both sets of fittings underneith the van and blow out the underbody lines by themselves.


front connection under passenger seat


rear connections at extension tubes

 

My sister n laws car had orfice tube. I just removed it and flushed with air and liquid.

Van has compression valve. Do I have to remove compressor valves (back and front) in order to flush the lines?

Any other tips/advice.

 

Yes. Every component needs to be disconnected and flushed individually. Do not flush the expansion valves.

 

Tizzy thanks for responses.