AC problem
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Joined: Mar 2017
Posts: 617
Likes: 276
From: Texas
Low refrigerant can cause this because there is not enough R134a to cool the entire evaporator, so depending on air flow to vents relative to the evaporator, different temps per vent.
As cars get older they leak a little R134a, so if it has not been checked lately, its time.
As cars get older they leak a little R134a, so if it has not been checked lately, its time.
Racer
Joined: Mar 2016
Posts: 1,583
Likes: 310
From: Plano Texas
Because the car has the feature to have the air temperature different for the driver and passenger, there is a printed circuit board controller for this. There have been threads about this going bad. Search for this.
Pole Position
Joined: May 2017
Posts: 215
Likes: 32
From: Ohio
Probably a leak in the AC system gasket. If the A/C blows cold only on one side, I would image the AC unit is workling fine but there is probably a blockage or a leak on whichever side doesn't blow cold.
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bacosta007
ES - 1st to 6th Gen (1990-2018)
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Jun 25, 2019 05:34 PM
