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yanto



Member Since: 03 Sep 2009
Location: caerleon
Posts: 230

Wales 
fan on all the time
So I picked up my 2003 pick up Saturday and noticed the fan is on constant. Is this normal? Or should it only come on when it gets hot?
Thanks in advance.
Ian.
Post #532180 16th May 2016 9:26pm
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Paddie42



Member Since: 24 Apr 2014
Location: Hamphire
Posts: 230

England 2003 Defender 110 Td5 SW Belize Green
Evening Ian,

The TD5 has a viscous fan (unless it's been changed to an electric one) so it will be running all the time.

Thumbs Up
Post #532181 16th May 2016 9:29pm
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yanto



Member Since: 03 Sep 2009
Location: caerleon
Posts: 230

Wales 
Very Happy cheers.
Post #532191 16th May 2016 10:16pm
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yanto



Member Since: 03 Sep 2009
Location: caerleon
Posts: 230

Wales 
At the risk of sounding dum? What is viscous?
Post #532192 16th May 2016 10:18pm
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dorsetsmith



Member Since: 30 Oct 2011
Location: South West
Posts: 4554

this may help you

Post #532230 17th May 2016 6:52am
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stigomery



Member Since: 10 May 2016
Location: Cambridge
Posts: 277

United Kingdom 2004 Defender 90 Td5 HT Belize Green
*chuckle*

Spot the new Td5 owners (or new to Land Rover Defenders on the whole in my case)...

I wondered the same thing, every squeak, rattle, grind, crunch, whir, buzz, rattle... that my new Landy makes I'm wondering, is that normal"... and off to Google we go...

So far:

- constant fan on - check, that's okay...
- something spinning down in the engine bay when I turn the engine off - I thought it could be a knackered turbo, but it's actually the centrifugal filter, that's okay...
- glow plugs don't light up/engine doesn't start - turn the immobilizer key you idot!

Rolling with laughter
Post #532302 17th May 2016 10:50am
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4RF RDS



Member Since: 19 Jul 2015
Location: Ottawa
Posts: 890

Canada 2000 Defender 110 Td5 XS CSW Epsom Green
Its all good mate that is why places like this exist. Enjoy your new ride. Smile 2010 Range Rover MkIII Autobiography Super Charged (Idris)
2003 Range Rover Mk III (Desmond FitzWilliam)
2000 Defender 110 CSW TD5 (CTX)
1992 Range Rover Classic (Lizzy)
1972 Series III 300 Tdi (Stanwood)
1967 MGB GT

Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats.
H. L. Mencken (1880 - 1956)
Post #532337 17th May 2016 12:37pm
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Alfredas



Member Since: 22 Feb 2016
Location: Vilnius
Posts: 6

Lithuania 1998 Defender 110 Td5 CSW Baltic Blue
I had a disco2 td5 and I think it will be the same with the defender if it has air conditioning fitted it will also have two electric fans on the air con radiator. These two turn on then the engine is reaching high temperatures to help it cool down it also switches fan setting to constant in ECU if overheating is logged. You'll have to connect to ECU to turn this setting off.
Post #532355 17th May 2016 1:26pm
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Fatboy Slim



Member Since: 04 Feb 2008
Location: Bridgend
Posts: 1006

Wales 
Ianto has yours got aircon ?
Post #532429 17th May 2016 5:39pm
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CDN38



Member Since: 14 Nov 2014
Location: Courtenay, BC
Posts: 729

Canada 2000 Defender 110 Td5 SW Bonatti Grey
I have been looking into this issue as well, as my 2000 Td5 is doing the same. Electric condenser fan is on, constantly. From what research I have found so far, the fan is supposed to come on when the outdoor ambient temperature is above a certain temp, (25 celsius or so) supposedly this works separately from the actual AC system. Mine runs constantly, even in freezing temps, when starting the engine cold. AC on , or off.

No codes, after checking several times. Getting close to just replacing the whole condenser/fan unit, as the fan sounds like it's on it's last legs (I think the bearing is getting tired).

Very interested to hear others experiences and thoughts. it's a Landrover thing...

my renovation thread:
http://www.defender2.net/forum/topic40792.html
Post #532447 17th May 2016 6:52pm
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Alfredas



Member Since: 22 Feb 2016
Location: Vilnius
Posts: 6

Lithuania 1998 Defender 110 Td5 CSW Baltic Blue
This won't log faults, it just changes the setting for cooling assistance.
Post #532451 17th May 2016 6:56pm
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4RF RDS



Member Since: 19 Jul 2015
Location: Ottawa
Posts: 890

Canada 2000 Defender 110 Td5 XS CSW Epsom Green
It is interesting. When I bought my 2000MY last year I could not see that my fan ever came on at all. Checked it with direct cureent and it did indeed work. Checked relay and fuses all good. I now know that it comes on as required when using AC and under higher temps. I am convinced just unplugging it, the realy and removing fuses did something??? Who the heck knows but it works, that's all I care. 2010 Range Rover MkIII Autobiography Super Charged (Idris)
2003 Range Rover Mk III (Desmond FitzWilliam)
2000 Defender 110 CSW TD5 (CTX)
1992 Range Rover Classic (Lizzy)
1972 Series III 300 Tdi (Stanwood)
1967 MGB GT

Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats.
H. L. Mencken (1880 - 1956)
Post #532513 17th May 2016 9:13pm
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yanto



Member Since: 03 Sep 2009
Location: caerleon
Posts: 230

Wales 
Fatboy Slim wrote:
Ianto has yours got aircon ?

Nope, it is proper basic. Only has fog light switch and hazards lol. And keep fit windows. Rolling with laughter
Post #532776 18th May 2016 8:10pm
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kzycnn



Member Since: 24 Apr 2009
Location: Northumberland
Posts: 276

United Kingdom 2003 Defender 110 Td5 XS CSW Oslo Blue
Quote:
I have been looking into this issue as well, as my 2000 Td5 is doing the same. Electric condenser fan is on, constantly. From what research I have found so far, the fan is supposed to come on when the outdoor ambient temperature is above a certain temp, (25 celsius or so) supposedly this works separately from the actual AC system. Mine runs constantly, even in freezing temps, when starting the engine cold. AC on , or off.

No codes, after checking several times. Getting close to just replacing the whole condenser/fan unit, as the fan sounds like it's on it's last legs (I think the bearing is getting tired).

Very interested to hear others experiences and thoughts.


Hi. I had the same problem some time ago. If an over temperature is logged, the air con fans are triggered to run and assist in cooling then, as far as I am aware, they will remain on unless reset via the ECU. I had no codes logged at all in mine and couldn't detect a problem. Finally had the system re-gassed and all good Very Happy . Didn't think it would have been this (last thing I tried) as the air con blew really cold anyway.

Tony
Post #532939 19th May 2016 12:58pm
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BCdefender



Member Since: 26 Oct 2015
Location: Nanaimo
Posts: 210

Canada 1999 Defender 110 Td5 CSW Orkney Grey
stigomery wrote:
*chuckle*

Spot the new Td5 owners (or new to Land Rover Defenders on the whole in my case)...

I wondered the same thing, every squeak, rattle, grind, crunch, whir, buzz, rattle... that my new Landy makes I'm wondering, is that normal"... and off to Google we go...

So far:

- constant fan on - check, that's okay...
- something spinning down in the engine bay when I turn the engine off - I thought it could be a knackered turbo, but it's actually the centrifugal filter, that's okay...
- glow plugs don't light up/engine doesn't start - turn the immobilizer key you idot!

Haha!!!

Have been stressing about the spinning down sound. Thanks!

Rolling with laughter
 1999 Defender 110
2003 P38
2007 RR SC

"And that's why it needs to be celebrated, because when the Defender goes we'll have lost this pointer to where we came from, and we're really going to miss it."

My build thread: http://www.defender2.net/forum/topic47750.html
Post #539413 11th Jun 2016 4:34pm
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