Question about 2007 Lexus LX 470

2 Answers

Our lx470 has climate control issues. started after the steering column recall, but the dealer claims there is no issue after they replaced a hose and temperature gauge. the problem rests in the system's responding to the thermostat setting with the system on auto. for example, the thermostat setting's at 72, the car is comfortable inside. we have 4 passengers in the car and the outside temperature is 68. after 5 minutes of driving it begins to get stuffy in the car. there is no change in the fan speed. it continues to get stuffy. i lower the thermostat to 68. there is no change in the fan speed. the only way to get a change in the fan speed is to reduce the thermostat to "max cold". the system did not used to work this way, but the dealer service center tells me the system checks out. any ideas would be appreciated.

Posted by daniel980 on

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  • daniel980 Feb 15, 2011

    thank you for the comment. the car is at the service center now and i just received a call saying they don't see a problem, and that the system functions as designed. we've owned the car since it was new, and the climate control worked differently. after another test tomorrow, i will meet with the dealer so they can "demonstrate the proper use of the system". can you recommend anything specific i can ask the dealer about?

  • daniel980 Feb 15, 2011

    thank you. i will rate your comments as helpful. i have not requested the field service technician, but i will do so along with reading over the climate control system in the owners manual. the dealer says the system functions normally, and after additional testing today, i'm sure he will call back in the afternoon with the same comment. in that case i will meet with him tomorrow, where he wants to show me the correct use of the system. after ensuring we are using it correctly and it still functions abnormally, i will escalate it to the field service request. this is the 3rd time we've brought the car in specifically for this issue.

  • daniel980 Feb 15, 2011

    emissionwiz's advice and information was very helpful.

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2 Answers

Marvin

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  • Lexus Master
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Hello
Your post really contains no useful information, like why the dealer says it checks ok is key here. That said if you fell the recall has created issues with the car that did not exist before the recall was done then you MUST do the following, contact the service department manager and request that a factory field service engineer be brought out to the dealer to check the problems you now claim to exist since the recall was done. If you don't go by this procedure to resolve this issue you will never get this taken care of, I speak from 35 years as a factory trained dealer tech, I know how it works.

Posted on Feb 15, 2011

  • Marvin
    Marvin Feb 15, 2011

    I Have one very important suggestion, read the owners manual section on operation and use of the climate control system, this will explain the operation and other than becoming a HVAC overnight it is really all you can do to prepare yourself, but you have failed to mention if you have requested the factory field service representative is involved in this?? If you fell that i have helped you could you please rate my solution as "HELPFUL" for Fixya.com. thanks

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raj somaiya

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  • Lexus Master
  • 5,370 Answers

The fan speed and the thermostat setting.Get this both things cleared out with the dealer,when you meet the service executives.Also if the fan speed is not getting slow then ask them if there is any over heating or blockage issue in the hose and vacuum line.Also get the CTS ( coolant temperature sensor) checked.---------- If the car is functioning properly after service by dealer,then drive the car for few hours and then get it confirmed.---------- This should help.Keep updated.Thanks.Helpmech.

Posted on Feb 15, 2011

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