Are there separate quick heaters in the dash vents and does Driver and Passenger side operate seprately
Are there separate quick heaters in the dash vents and does Driver and Passenger I have a 2004 Lexus ES 330 Driver side is cold and Passenger side warm. After engine is warm both work equally
There could be a problem with the blend doors servos, when cold they don't work guite right then as they warm up they start to operate properly. The problem is a tech will have to catch it doing this too see what ones are acting up cold, believe me this is not a job for a novice, it can come down too having to,remove the entire dash assembly to gain access to the heater system.
There actully is a feature where each side of the car can have different temps. I suspect there is a leaky pipe and as tennisshoes said, the blend doors servos may have a problem
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