GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Heat blows hot only on passenger side

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Old 12-14-15, 06:07 PM
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01GSGUy
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Default Heat blows hot only on passenger side

I am having the same issue as other older posts I have read, I only get heat from passenger side, even the middle center vent blows hot on the right center, and cold on the one to the left center... super frustrated. I followed all the suggestions, I took the glove box off and i can physically see all 3 servos working the one on drivers side works too.. what the heck can this be????? I am cold on drivers side... help

My coolant is fine and my temp reads half way at normal.. even when i adjust the temp to cold the drivers side gets more cold not much but you can feel a change but raise the temp to 85 and it still blows cold on drivers side and 85 on passengers side... it is not any servo's
Old 12-14-15, 06:39 PM
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nelson09
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This just happened with mine too.
IN for more info, I too read all those other posts in the old thread(s)
Old 12-14-15, 06:42 PM
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01GSGUy
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Originally Posted by nelson09
This just happened with mine too.
IN for more info, I too read all those other posts in the old thread(s)


Someone has the answer to this mystery I am certain...lol
Old 12-15-15, 07:45 PM
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01GSGUy
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Anybody have any clue as to why my heat wont blow hot on drivers side if all the servos are working properly???
Old 09-03-18, 09:50 AM
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atulkg2018
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Default Yes Lexux RX 350 also blows hot air on driver side

It’s the same symptom in my 2016 car but it’s not repeatable. It happens mostly when it rains outside. Three time this embarrassing situation has happened. And I am not able to convince the dealership since it doesn’t happen it front of them. The technician basically called me stupid the last time I took it there with the complaint and she said I didn’t have the temperature set low enough on the dash and hence it kept blowing hot air. How do I convince them? I have warranty on my car.
Old 09-04-18, 07:49 AM
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TW99GS300
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Originally Posted by atulkg2018
It’s the same symptom in my 2016 car but it’s not repeatable. It happens mostly when it rains outside. Three time this embarrassing situation has happened. And I am not able to convince the dealership since it doesn’t happen it front of them. The technician basically called me stupid the last time I took it there with the complaint and she said I didn’t have the temperature set low enough on the dash and hence it kept blowing hot air. How do I convince them? I have warranty on my car.
This is the Lexus 2GS forum, maybe go to the proper forum and make a post to see if anyone else encounter a similar issue as you.
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