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Thread: td5 not warming up

  1. 25th January 2011, 09:15 PM #1
    cleelo44
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    td5 not warming up

    Hello all,


    I have a 2000 td5 defender... the temp gauge used to run at 12 o'clock... now its leaning towards the cold side... had it looked at and the mechanic assured me it was the thermostat, so now it has a new thermostat and the problem is still there!

    So my question is... should i be worried? its not leaning very far to the left but seeing as the temp gauges are "normalized"...well i thought i'd better check before i go and quiz my ever reliable mechanic...

    this may or may not be relevant but it also seems to take a while to warm up...how long is "normal"?

    and while i'm here, if it is a problem what should i do next....

    appreciate all your help as i haven't had any luck with the search function...

    cheers
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  2. 25th January 2011, 10:16 PM #2
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    999
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    I was worried about my td5 discovery not warming up change the thermo and still no difference ((thought it was stuck open) and i still have not tested he old one) Turns out it was a dodgy connection on the temp sender. Once i cleaned the connection up its been fine.

    Can you feel the the heat and pressure on your radiator hoses after a good 1/2 hour run?

    If so I don't think your motor is running cold.

    Disconnect the wire from the temp sender and give the connection a good clean. You'll have to remove the engine heat/sound shield, the sender is next to the water hose inlet on the head (at least on the disco).
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  3. 26th January 2011, 07:52 AM #3
    cleelo44
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    cheers, i'll give that a try and see how it goes...
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  4. 28th January 2011, 10:35 PM #4
    cleelo44
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    So I finally got around to checking the hose and it is getting hot and definitely feels pressurized... at least compared to when the engine is cold...

    I also had a look at the temp sender and it appears to be clean... not really sure what I'm looking for there... any advice? Could the gauge be faulty?

    Thanks in advance!

    Sent from my not so smart phone using fingers to fat to type quickly!
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  5. 28th January 2011, 10:49 PM #5
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    999
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    Did you remove the connection to sender and recnonect it?
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  6. 29th January 2011, 12:44 PM #6
    cleelo44
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    Sure did...
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  7. 29th January 2011, 05:07 PM #7
    Tombie Guest
    Leaning how far from 12.

    My Defender TD5 never ran at 12, always a needle width left.
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  8. 29th January 2011, 10:07 PM #8
    cleelo44
    cleelo44 is offline Fossicker
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    It's only leaning 2-3mm from 12, but it used to run dead on centre... am I just being a sook?
    It can also take between 10- 15 kms to reach temp? Is that within the bounds of normal?

    Thanks again!
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  9. 29th January 2011, 10:27 PM #9
    Tombie Guest
    Normal, I wouldn't worry.

    Mine never got off cold going to work
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  10. 30th January 2011, 01:49 AM #10
    Grumbles
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    If a gauge normally and consistently sits at 'X' position then changes to 'Y' position then something electrical or mechanical untoward has/is happening. It may or not be immediately serious or it could also be the harbinger of some bigger [costly?] malfunction about to happen.

    In your case I have no idea why the gauge reading has changed but if it was me then I would be putting some immediate effort into diagnosing what has changed [worn/come loose/breaking etc] for piece of mind and security of my wallet. Ignoring the gauge position change is not an option - for me anyway.
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