Only Hot Air Coming Out
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Thread: Only Hot Air Coming Out

  1. #1
    NEWBIE
    Join Date
    May 10th, 2019
    Location
    Bedford NY
    Posts
    2

    Unhappy Only Hot Air Coming Out

    Help!

    My 04' HSE has developed a symptom where only hot air will come from any vent selected.

    It feels as is the heat is way higher than any hot air which I recall on the coldest days, it feels like the thermostat has completely failed

    This occurs when

    - selector under center dash vents set to cold
    - thermostat set as low as it will go
    - air conditioning engaged - or not engaged

    I don't know if it is a blend motor, a control or some other gremlin - just hoping someone can help me trouble shoot

    thanks

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  3. #2
    NEWBIE demobud's Avatar
    Join Date
    May 18th, 2019
    Location
    Alabama
    Posts
    2

    Re: Only Hot Air Coming Out (and I am not talking about Trum

    Are you getting an engine overheat message at all? The ECM will shut down the AC if it detects an overheat situation. I just had this happen on my '11 SC due to a thermostat housing failure.

    Best of luck!
    Last edited by RRToadHall; May 22nd, 2019 at 10:07 AM.
    2011 (L322) Range Rover Supercharged 5.0V8

  4. #3
    SOPHOMORE ROVER
    Join Date
    May 19th, 2014
    Location
    Long Island, NY
    Posts
    356

    Re: Only Hot Air Coming Out (and I am not talking about Trum

    Have you checked the AC system charge/refrigerant level? Assuming you have have fan and can hear the plenum doors open and closing, that's where I'd start troubleshooting.
    2006 Range Rover HSE 4.4L AJ41
    2004 Range Rover HSE 4.4L M62

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