Automotive Air Conditioning Information Forum

I'm not an AC tech either, so it's entirely possible that I am being overly cautious when I feel resistance as I attempt to tighten the fitting to the compressor. All who read this are likely familiar with the forearm-contorting conditions of working under the hood; this connection is by feel only ...

tbirdtbird wrote: Fri May 30, 2025 11:21 am I would be tempted to have a hose shop cut off the 'flared' fitting and crimp on the correct suitable fitting...

Where does one find a hose shop? Maybe a hydraulics supply... that sort of place?

'06 Hyundai Sonata GLS v6

Pressure lines (suction & discharge), condenser and compressor part numbers each differ by engine size for this vehicle.
v6 p/n is 97775-3K250 - suction line , while the v4 part number is 97775-3K150... two p/n's for the compressor; two p/n's for the condenser.

I mounted ...

I share your concern.

I confirmed with the suction line manufacturer that this is the correct part for the year/make/model. They also confirmed that this fitting is supposed to be flanged per OEM spec. I checked with a different ac parts manufacturer and the suction hose they make for this car ...

I'm replacing a suction line. The fitting on the "compressor end" of the new suction line is flared, but the fitting at this same end on the old line is straight.

What is the purpose of a flared fitting?