Blend door actuator - Lexus RX

893 Views | 8 Replies | Last: 20 days ago by austinag1997
jrrhouston98
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7:07p, 4/13/26
AG
Anyone have a shop that could do a blend door actuator on a 2018 Lexus RX? Air isn't blowing on drivers side. Got a quote and I want to compare. We're in Katy so looking for local or west side of Houston.

TIA.
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Martin Q. Blank
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7:45a, 4/14/26
No, way too complicated of a job. You need a specialist. Nearest one is El Paso.
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1agswitchin4lanes
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8:44p, 4/15/26
AG
Blend door or mode door?
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jrrhouston98
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In reply to 1agswitchin4lanes • 10:44p, 4/15/26
AG
Not sure actually. Air blows fine on passenger side, but at times doesn't on the drivers side. Sometimes lasts for weeks. Seems to be getting worse.
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1agswitchin4lanes
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8:08a, 4/16/26
AG
Can you please email me the quote that you got from the other shop? username@gmail.com.
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drumboy
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9:06a, 4/16/26
AG
I changed one of these in an Infiniti Q70, and it was a PITA, but I was barely able to do it without taking the dash/console all apart. Good luck if you try this DIY.

The only symptom we saw was a ticking noise, but there was likely reduced air going somewhere.
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Average Joe
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5:09p, 4/16/26
AG
Had the same issue in an Acura MDX and it ended up not being the blend door but a little low on refrigerant from a very small leak.
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howdyags12!
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9:33p, 4/16/26
AG
Does the air blow but doesn't get cold or blows warm air? If so, it may be a servo motor. That's a common issue with Lexus a/c systems with some models having recalls.
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austinag1997
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In reply to jrrhouston98 • 3:27p, 4/23/26
AG
jrrhouston98 said:
Not sure actually. Air blows fine on passenger side, but at times doesn't on the drivers side. Sometimes lasts for weeks. Seems to be getting worse.


This sounds like the Porsche blowing foam deal. Wonder if your blend door has an actuator or motor that went bad.
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