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Car air conditioner blows cold air and then it blows warm air after about 10 minutes or so. Why is this?
The system holds a vacuum overnight. Then after I add Freon it blows cold air, but soon thereafter it blows warm air. Would a bad compressor cause this?
4 Answers
- STEVEN FLv 75 years agoFavorite Answer
Then after I add Freon it blows cold air, but soon thereafter it blows warm air.
You have a leak. You shouldn't be ABLE to add refrigerant often enough to notice. Until the leak is repaired, you can't even TEST anything else.
- Anonymous5 years ago
Evaporator or expansion valve could be freezing due to excess moisture and air in the system. Get the system evacuated and vacuumed and put the correct amount of refrigerant. If the car uses an orifice, replace orifice.
- Pat F85Lv 65 years ago
If the refrigerant weight in the system is accurate and the gauges read in specs, the expansion valve would be suspect.
- thebax2006Lv 75 years ago
No. The condenser fan running all the time with the AC turned on?
Source(s): Mitsubishi Master Tech
