Mode Selector Switch for 2008 - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 05-28-2014
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Mode Selector Switch for 2008

My Heater mode selector switch will not switch the heat from defrost to floor or cabin. Any thoughts on how to rectify this problem would be appreciated.
Thanks,
Al
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Old 05-28-2014
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Defrost is the default mode when there is little or no vacuum to any of the various HVAC servos. So, if it is stuck in defrost, you likely have a vacuum leak. Look under the hood on the passenger side for disconnected/melted hoses. Check the vacuum reservoir. Look up under the dash for disconnected vacuum lines.
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Old 05-28-2014
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Thank you. I'll try your suggestions.
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