HVAC hoses

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07-16-18, 07:09 AM

jack6942

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HVAC hoses

where are the HVAC vacuum hoses located? Air is not blowing out of middle vents. Controls seem to be struck on defrost.

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07-16-18, 07:57 AM

salimshah

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Vacuum is not used to modulate vents in RX. They are controlled by servo ... [electric motor that pushes/pulls various rods/cams.]

Please search on "MODE" ... if you take the auto out, you should be able to control the air flow by the mode setting. Also dont confuse it with the air mix servo [temp].

Salim

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07-16-18, 10:59 AM

sktn77a

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Quote:

Originally Posted by salimshah

if you take the auto out, you should be able to control the air flow by the mode setting.

And if you are unable to change the airflow settings manually (with the "auto" setting disengaged), then the servo has failed and will need to be replaced. Search "MODE" or "SERVO" for details on how to replace it.