Does the dash have to be removed to replace the evaoprator core on a 2001 hyundai sonata


Asked by May 09, 2015 at 11:54 AM about the 2001 Hyundai Sonata GLS

Question type: Maintenance & Repair

I have a smell in the car when running the AC. I feel the evaporator is leaking freon so I was wondering if the dash has to be removed to get to the evaporator. air is no longer working

2 Answers


It's actually R134a...and that gas has a "faint sweetish odor" according to the MSDS. So if you are detecting a sour or other unpleasant odor, the refrigerant gas is not what you smell . The problem with the A/C is elsewhere.


I agree with FordNut, evaporator leaks are rare, while heater core leaks are getting common place. I would recommend you have the system checked professionally, they have "134 sniffers" that can detect a leak in the ducts. So get it checked out before you go tearing it down.

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