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Thread: Temp Gauge Red Light came on!!

  1. 18th April 2021, 12:57 PM #1
    Bohica's Avatar
    Bohica
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    Temp Gauge Red Light came on!!

    And the gauge went to the bottom. Coolant is low. The car is being driven by my son. Head gasket gone? But it's only 100k old!!
    I am thinking that the gauge went to the bottom due to a lack of coolant. But where did the coolant go?
    Any ideas?

    Latest.. The coolant return from the oil cooler has leaked. aka mystery pipe. which has been deleted. Easy to fix that leak, but what about the head?
    D2a Td5 Manual, Chawton White. aka "Daisy"
    Build date 11th Oct 2003
    Freelander 2 2011, manual, the daughter calls it Perri
    Before I had a Land Rover I did not have any torque wrenches. Now I have three.
    LROCV #1410
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  2. 18th April 2021, 05:36 PM #2
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    Tombie
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    Depends how long and just how hot it actually got.
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  3. 18th April 2021, 06:03 PM #3
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    Bohica
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    The A/C fan is on. The only fault on the Nanocom is, (16,2) HIGH SPEED CRANK (LOGGED) Would I get an over temp fault?
    The rubber hose has a pin hole in it. I found that out after filling it and watching the coolant **** out!!
    What size hose is this? 18mm ID? Where to buy?
    D2a Td5 Manual, Chawton White. aka "Daisy"
    Build date 11th Oct 2003
    Freelander 2 2011, manual, the daughter calls it Perri
    Before I had a Land Rover I did not have any torque wrenches. Now I have three.
    LROCV #1410
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  4. 18th April 2021, 06:43 PM #4
    Graeme
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    The needle drops to the bottom at the same time that the red light comes on as a 2nd indication that the coolant is excessively hot. The fan runs until an over-temp fault is cleared - it will not clear itself.

    Early D2s needed a replacement ecm as LR didn't initially provide any method of clearing the over-temp fault.
    MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi, RTK base station using LoRa
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  5. 18th April 2021, 07:11 PM #5
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    Bohica
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    Mine is a late model D2., the face lift one Oct 2003, where do I clear the fault?
    D2a Td5 Manual, Chawton White. aka "Daisy"
    Build date 11th Oct 2003
    Freelander 2 2011, manual, the daughter calls it Perri
    Before I had a Land Rover I did not have any torque wrenches. Now I have three.
    LROCV #1410
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  6. 18th April 2021, 07:53 PM #6
    Graeme
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    The dealer cleared mine whilst in for a service but that would have been around 2004. I had disconnected the temp sensor as part of my research for the alarm system that I was building after my '99 D2's porous head issue. The '99 got the new ecm under warranty but not a new head.
    MY21.5 L405 D350 Vogue SE with 19s. Produce LLAMS for LR/RR, Jeep GC/Dodge Ram
    VK2HFG and APRS W1 digi, RTK base station using LoRa
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  7. 18th April 2021, 08:23 PM #7
    discorevy
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    Quote Originally Posted by Bohica View Post
    Mine is a late model D2., the face lift one Oct 2003, where do I clear the fault?
    Engine - faults-clear
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  8. 18th April 2021, 08:30 PM #8
    Kaaaiju
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    Nanocom does it that's what I djd
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  9. 18th April 2021, 08:44 PM #9
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    Bohica
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    I cleared the fault and the fan turned off.

    I need another car as the Disco is my daily drive!!
    D2a Td5 Manual, Chawton White. aka "Daisy"
    Build date 11th Oct 2003
    Freelander 2 2011, manual, the daughter calls it Perri
    Before I had a Land Rover I did not have any torque wrenches. Now I have three.
    LROCV #1410
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  10. 18th April 2021, 08:59 PM #10
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    Eevo
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    Quote Originally Posted by Graeme View Post
    The needle drops to the bottom at the same time that the red light comes on as a 2nd indication that the coolant is excessively hot.
    mine (v8) never did this. gauge went high, coolant sensor was maxed out at 127c.
    Current Cars:
    2013 E3 Maloo, 350kw
    2008 RRS, TDV8
    1995 VS Clubsport

    Previous Cars:
    2008 ML63, V8
    2002 VY SS Ute, 300kw
    2002 Disco 2, LS1 conversion
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