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Defender heater hot hot or not?

Discussion in 'Defender 90 / 110 / 130' started by iannotts, Jan 6, 2010.

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  1. iannotts

    iannotts New Member

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    How hot/ warm are the heaters ment to be in the 1988 defender with 200tdi, this is the first real cold weather i have had whilst having it on the road.

    mine just isnt very hot at all, wondering if the matrix is partualy blocked?

    Cheers
     
  2. dazzx10r

    dazzx10r Active Member

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    Mines the same, it get's warm-ish after about 30 mins of driving, unfortunately defenders are'nt known for having strong heaters or their superior build quality and door shut gaps! I think the term 'That'll Do' got used quite often on the defender production line.
     
  3. tyclyd

    tyclyd Active Member

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    Not quite running the same configuration as you (I have a TD5) but with the standard viscous fan and no engine modifications my heater starts to kick in after about 4 or 5 miles. It’s no good idling the engine (even when up to temperature) as the heat is robbed by the fan the temperature gauge actually drops significantly when stationary. When up to full operating temperature the heater works well – in fact the foot wells on my 90 CSW get very hot and the trim etc is certainly warm to the touch. It’s fair to say that at low speed the engine does not produce enough heat in cold weather such as this to heat the whole car effectively but the front is warm enough.

    Incidentally I would check the heater vent pipes going to the windscreen vents – they are known to become dislodged and leak reducing the effectiveness of the heater – all that hot air just circulates around the bulkhead and I have partially obscured the passenger windscreen vent to improve airflow to the driver’s side.
     
    Last edited: Jan 6, 2010
  4. Griffdowg

    Griffdowg New Member

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    remove viscous fan or use a rad muff. both of these things will help improve the heating and the operating temp of a diesel. on the motorway it will be fine, but stop/start stuff is useless in these conditions.

    G
     
  5. tombardier

    tombardier Well-Known Member

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    my 1988 LR90 kicks out loads of really really hot air after about 3 minutes driving! Time to flush out that matrix :)

    edit: the temperature gauge has never exceeded about 2/5 of the way up the dial either!
     
  6. tombardier

    tombardier Well-Known Member

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    by the way, mine's a 2.5na, not a 200tdi. I don't know the ins and outs of a conversion to 200tdi, but could it be that you've got an issue with the thermostat not opening because it was originally a 2.5na or td and it runs at a different temp? just speculation..
     
  7. iannotts

    iannotts New Member

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    nah it warms up fine, 3 or 4 miles on the temp gauge, wot fan :D, neva fitted one, as for the vent pipe the air is coming out ok. all be it cool.
    Like tomraider says, time to flush the matrix.:doh: It can wait till the snow goes now tho plus the hose pipe is froze up (my excuss anyway) :doh:
     
  8. dazzx10r

    dazzx10r Active Member

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    Try some Forte coolant flush and top it back up with Forte coolant conditioner, bloody good stuff that Forte ;) I have used allsorts of their gear in the past, going to do my landy with it again, I did it a few weeks ago and then went and split the rad driving through some thick ice :doh:
     
  9. Dunc09

    Dunc09 New Member

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    Hi there, I have a defender 90 county tdi. the fan is pitiful, hardly any air comes out, and as for heat!!! Any 1 Help?
     
  10. Turboman

    Turboman Rural Activist

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    Its not a defender.The heater in my 90 works really well warms up in three minutes and toasty warm.I did put in a new matrix 2 yrs ago tho.Looking forward to the winter:)
     
  11. m35reo

    m35reo New Member

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    just modified mine due to the cold mornings, took out the standard asthmatic fan and replaced it with the fan from 200 series disco, you need to cut down the fins and make up a back plate but had it done in a couple of hours. the difference is amazing!!! it actually heats the interior and clears the windows now! best mod iv fitted tbh :)
     
  12. The Mad Hat Man

    The Mad Hat Man Well-Known Member LZIR Despatch Agent

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    :nopics:
     
  13. m35reo

    m35reo New Member

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    thought as i wrote that, wish id taken pics :doh:, im taking it out again at the weekend to sort me snorkle so il post some up :)
     
  14. mikescuba

    mikescuba Well-Known Member

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    Has anyone had any expeirence of installing a diesel heater like in the trucks. I had one in a Sprinter I was driving which worked very well. The heat was instant and you could programe it to come on with a timer. 5 minutes before you started your journey was good. It would fit under the front passenger seat. Mine is LHD.
    The heater in my 200tdi eventually gets warm after about 20 minutes driving. I have changed the thermostat and also changed the sender. I have also used a rad muff which doesn't seem to make much difference. I live in France , last year it was down to -18 degree C. Any suggestions would be greatly appieciated
     
  15. The Mad Hat Man

    The Mad Hat Man Well-Known Member LZIR Despatch Agent

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    look for Fuel Burning Heater (FBH) or Webasto
     
  16. Litch

    Litch Well-Known Member

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    This is the time of year when all the same old threads atart running about how poor LR heaters are and then we have all the various methods of getting getting more heat out of them and/or what they should be replaced with.
    The smug ones amoungst us who have cooling & heating systems that work correctly plus vehicles that are draught-free can sit back and relax while all this frantic activity takes place:)

    PS. If removing the fan & blanking off the rad (why?) don't forget to refit & remove (in that order) when the temperature rises otherwise you might just find you are getting a bit too hot under the bonnet.
     
    Last edited: Nov 21, 2010
  17. sheddy00

    sheddy00 New Member

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    best mods i bought, worked really well... never been so warm either.. thick gloves, thermal undies, and a nice down filled jacket. plus side to having a defender in winter is... nobody asks for a lift in winter
     
  18. khaos

    khaos New Member

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    My 200 is warm enough to melt your face off. It's been underwater a few times as well but it's still working great. I have a standard heater and fan.
     
  19. Turboman

    Turboman Rural Activist

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    Good standard heater and fan works really well for me too in my 2.5td.When I first bought the 90 I was so pleased the heater and fan worked.I have frozen my balls of in series motors before,really did need thermal gear,gloves and a flask of soup.If youre cold in a 90 i think something is not right altho I do like the sound of m35reos fan mod,could improve air flow:)
     
  20. TrigonBill

    TrigonBill New Member

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    I have fitted an air scoop to the grill on the wing that feeds the heater - improves air flow through heater markedly :)
     
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