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Thread: d2 thermo fan issues

  1. 24th October 2015, 01:06 PM #1
    Outback 1
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    d2 thermo fan issues

    hi I have a car here that when you start the engine (TD5) the thermo fan comes on even when the climate control is switched off , doent happen with ignition on only when running any ideas ?
    ps have checked relays operating fine
    have a good one :D ken :wasntme:
    MY07 L320 RANGE ROVER SPORT MORE GOODNESS TO COME
    MY03 D2A TD5 EXTRA GOODIE ENHANCED :D now parting from life
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  2. 24th October 2015, 03:33 PM #2
    kelvo
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    What does the HVAC control panel show as the external temperature? If that is giving a false reading I think the BCU will start the fan regardless.

    Also what does the temp gauge with a cold engine?
    2014, MY14 Discovery TDV6, Fuji White (2018-Now)
    2003, Discovery 2a, Td5 Manual, Zambezi Silver (2012-2018)
    2007, Adventure Offroad Campers, Grand Tourer (2015-Now)
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  3. 24th October 2015, 03:41 PM #3
    Outback 1
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    hvac is turned off , does the same hot or cold
    have a good one :D ken :wasntme:
    MY07 L320 RANGE ROVER SPORT MORE GOODNESS TO COME
    MY03 D2A TD5 EXTRA GOODIE ENHANCED :D now parting from life
    1996 D1 300TDI GONE
    08 ford ranger c/c
    WRECKING DISCOVERY 2
    PM ME FOR WHAT YOU ARE LOOKING FOR
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  4. 24th October 2015, 05:53 PM #4
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    roverv8
    roverv8 is offline Master Subscriber
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    Coolant temp sensor ok?
    If the vehicle thinks its hot, these fans will run
    89 RRC
    92 RRC Sherwood
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  5. 24th October 2015, 07:06 PM #5
    DiscoKym
    DiscoKym is offline Master
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    Mine did this after some work on the Disco.

    Found an error code & cleared it.

    No more fans.. Unless there should be..
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  6. 24th October 2015, 10:33 PM #6
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    northiam
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    From Rave 04-9

    Electric cooling fan switching points:

    For A/C system:

    = On When vehicle speed is 50 mph (80 km/h) or less and ambient

    temperature is 28 ?C (82 ?F) or more

    = Off When vehicle speed increases to 62.5 mph (100 km/h) or ambient

    temperature decreases to 25 ?C (77 F)

    For engine cooling during normal running:

    =On 11O?C(230?F)

    =Off 105 ?C(221 ?F)

    For engine cooling at ignition off (to counteract heat

    soak):

    On If, within 10 seconds of ignition off, engine coolant temperature is

    105 ?C (221 ?F) or more

    = Off After 10 minutes or if engine coolant temperature decreases to

    100?C (212 ?F)
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  7. 24th October 2015, 10:41 PM #7
    discorevy
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    X2 on the fault code clearing , possibly coolant circuit fault, maybe oil in harness
    Cheers
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  8. 24th October 2015, 11:50 PM #8
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    alien
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    X3 for fault clearing.
    If there has been an over heat issue the fan will default to staying on.
    I've cleared a few D2's that where doing this.
    Cheers, Kyle



    The Good Oil.
    When did you last visit?
    http://www.aulro.com/afvb/good-oil/


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  9. 25th October 2015, 02:30 PM #9
    Outback 1
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    Only fault was low air (maf)

    Sent from my SM-G900F using AULRO mobile app
    have a good one :D ken :wasntme:
    MY07 L320 RANGE ROVER SPORT MORE GOODNESS TO COME
    MY03 D2A TD5 EXTRA GOODIE ENHANCED :D now parting from life
    1996 D1 300TDI GONE
    08 ford ranger c/c
    WRECKING DISCOVERY 2
    PM ME FOR WHAT YOU ARE LOOKING FOR
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  10. 25th October 2015, 03:11 PM #10
    Outback 1
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    Discorevy got it . It was oil in the harness new one on order

    Sent from my SM-G900F using AULRO mobile app
    have a good one :D ken :wasntme:
    MY07 L320 RANGE ROVER SPORT MORE GOODNESS TO COME
    MY03 D2A TD5 EXTRA GOODIE ENHANCED :D now parting from life
    1996 D1 300TDI GONE
    08 ford ranger c/c
    WRECKING DISCOVERY 2
    PM ME FOR WHAT YOU ARE LOOKING FOR
    Reply With Quote Reply With Quote
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