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My 2007 Lexus ES350 (105k miles) has the AC putting out warm air to the driver side while cool comes out the passenger side. The car is equipped with a Dual Zone capability. But this is happening when dual zone is off.
I thought maybe a system recharge is in order but one side is very cold. Maybe a fuse/relay/rubber pressure tube?
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did you try it with dual zone on, and both zones set to the coldest setting? checking the a/c system pressure/charge is not a bad idea.
Yes. I’ve tried all combinations of vents, temps and settings. It was suggested to me to pull the AC fuse for 20 minutes in case it was a computery thing but no luck. If it is blend doors, I might have to dismantle to center console some. Maybe it’s a maple seed caught somewhere and it will work itself loose. Perhaps an AC service from Lexus will fix it.
Thanks for the response
Here’s a follow up…
After contacting an good mechanic and also my Lexus dealership, I opted to have the dealership have a look. They did a recharge which included a tracer for leaks (@ $210). The A/C is performing like new, so it wasn’t a blend door after all. If the A/C continues to work well, we’re done. If there are leaks, it could be as easy as tightening a connection, or replacing a major system part.
Thanks to all for the advise.
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