Even with heater off heat still coming into cab how do I stop this or what is erong?
If you have the fan off and the selector off and you still get heat then you have a blend door problem or vacuum line missing. Seems like both your issues and posts are vacuum line connected.
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Automotive Electronics Engineer
2000 XLT 2.5L A/T
Mods:
Explorer OHC
Explorer Autodim Mirrors w/ Autolamps
Explorer Sport White Face Gauges