Dash heat, defrost, ac not working correctly

  • 02/12/2025 10:01 PM
    Message # 13462553

    2006 Expedition- new to me.

    Dash defrost and heat not heating up, blower does blow. 

    AC doesn't cool. 

    Any ideas? Fuse? Engine thermostats?

    Like to connect with seasoned owner!!

  • 02/13/2025 10:12 AM
    Reply # 13462678 on 13462553
    Bill & Laura Johnson (Administrator)

    The dash heat and AC both are produced from the engine. Long lines may have had a leak in the past and sometimes folks bypass the systems instead of a costly repair, relying on the other coach systems for heat and AC.

  • 02/15/2025 1:11 AM
    Reply # 13463457 on 13462553
    Anthony McCool (Administrator)

    You may just need to get a AC/heater Tech involved.


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