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mse



Member Since: 06 Apr 2008
Location: UK
Posts: 5024

United Kingdom 2016 Defender 110 Puma 2.2 XS CSW Scotia Grey
Weird Temperature issue
Can someone confirm if this seems normal...ive not had it in any Land Rover.

Light dusting of snow and ice over the entire car
Conditions snow 3-4 inches on the ground
Air temp -1 to -4
Top of a hill, little wind

Out in the field doing some stuff - letting the dogs play, engine running heater was on the first time but not the second.

Normal power draw - lights (to show my illumination) engine, nothing else (no heated anything).

The engine was operating started at normal operating temperature (mid way, remained rock solid all the time until) the car was left when it dropped to a little less than a qtr on the tmp gauge.

It did the same after a small drive - this time with the heater off.

So basically after running at operating temperature for 30 minutes and despite the engine being on (at tickover) the temp dropped almost all the way to the bottom of the white arch - meaning minimal heat through the vents as well.

Never done this before, always held its 50& heat cold in previous cold and hot.

To me this doesnt seem right?? Mike
Post #21445 6th Jan 2010 10:37pm
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fekete



Member Since: 24 Dec 2008
Location: Here on the other end of the computer
Posts: 3626

United Kingdom 2007 Defender 90 Puma 2.4 HT Bonatti Grey
I've never had that happen on mine Mike....its not normal NEVER TAKE LIFE SERIOUSLY. NOBODY GETS OUT ALIVE ANYWAY
Post #21446 6th Jan 2010 10:43pm
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alantd



Member Since: 14 Dec 2008
Location: Northamptonshire
Posts: 1513

United Kingdom 2007 Defender 110 Puma 2.4 XS CSW Tonga Green
I've not heard of this before. Is it possible that your viscous fan is drawing too much cold air in? I know that mine won't get itself up to temperature on a cold day on tickover (can't pre-warm the car for the missus).

One thing you could do is cover over the radiator and see whether that makes any difference. I assume you've never seen it in warm conditions. One that started out as a 2.4 TDCi 110 XS
+ New Defender 110 First Edition
Post #21447 6th Jan 2010 10:45pm
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mse



Member Since: 06 Apr 2008
Location: UK
Posts: 5024

United Kingdom 2016 Defender 110 Puma 2.2 XS CSW Scotia Grey
Thanks guys - i think you are confirming my concerns.

It gets up to temperature fine and has in all previous conditions (mid way) even in scotland at -9. But your correct i wondere if the viscus was sticking on OR that it ran it when stationary, but it was so cold it cooled the engine (although the viscus should have stopped?)

Ill add it to the warranty list! Mike
Post #21450 6th Jan 2010 10:50pm
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peanutbob



Member Since: 12 Feb 2009
Location: UK
Posts: 280

United Kingdom 
At these temperatures, the engine will cool down at tickover. I once left at TD 5 running for 2 hrs at Capel Curig during lunch - to keep the dogs warm - in cold weather, and it still was cold inside! The engine won't warm up if it isn't working for a living! The old Gardiner truck engines in trucks were so slow revving, but so utterly dependable, that they would not warm up in winter even when towing a trailer fully loaded! I once had to sit in an old Seddon Atkinson all day near Bala during a similar winter with the engine running just to stop it freezing up, and there was not an ounce of heat from the 'heater'!
Post #21455 6th Jan 2010 11:26pm
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mse



Member Since: 06 Apr 2008
Location: UK
Posts: 5024

United Kingdom 2016 Defender 110 Puma 2.2 XS CSW Scotia Grey
You may be right...but I never had this problem in the 300/td5 and v8 though - in fact i was on a highway warming my hands on the front of the v8 at tickover

Maybe your right, ive just never had a land rover do it in worse conditions Mike
Post #21456 6th Jan 2010 11:31pm
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Fandango



Member Since: 29 Jul 2009
Location: Jersey
Posts: 21

Jersey 
I have exactly the same issue with mine. Reaches operating temperature and then when I'm in stationary traffic for some time (with air temp around 0C), engine cools & heater output drops.

It's going in again next week fr another attempt to stop the waterfall under the dash, so should I ask them to check out the fan Question ----------
2021 D250 90 X-Dynamic HSE
2020 IPace - Gone
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2009 TDCi 90 CSW - long long gone
Post #21459 7th Jan 2010 12:02am
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039

Netherlands 2003 Defender 90 Td5 PU Caledonian Blue
I had the same when waiting for the ferry at Calais with my 300tdi Camel. Left it at tickover and the temperature dropped I was worried till the other guys told me their Camels were doing the same.
Strong cold wind straight up front the car.
I never had it with a V8 but then reading the tech specs of the TD5 the low pressure fuel pump can't keep up with the fuel demand of my G4 D3 V8 Whistle Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)
Post #21460 7th Jan 2010 12:08am
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Zinke



Member Since: 27 Jan 2009
Location: Scunthorpe
Posts: 670

United Kingdom 2003 Defender 90 Td5 HT Epsom Green
My TD5 does this.

The engine thermostat shuts to try to keep the water warm but the heater keeps cooling the water.
Post #21462 7th Jan 2010 12:32am
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willy eckerslike



Member Since: 15 Jun 2009
Location: North yorks
Posts: 1789

United Kingdom 2007 Defender 110 Puma 2.4 HCPU Keswick Green
Mine does this as well, after driving at normal temperature when I stop for a while and leave the engine on tickover dpendant on air temp the needle drops to the lower white line Original Member Pie n Pea Club.
110 HCPU Tipper
Post #21468 7th Jan 2010 8:03am
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mse



Member Since: 06 Apr 2008
Location: UK
Posts: 5024

United Kingdom 2016 Defender 110 Puma 2.2 XS CSW Scotia Grey
Ok - so maybe this is a puma quirk?

Promising Mike
Post #21469 7th Jan 2010 8:10am
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holdingpoint



Member Since: 18 Aug 2009
Location: Como Italy
Posts: 35

Italy 2008 Defender 90 Puma 2.4 SW Stornoway Grey
Hi Mse, did you do the Q068 recall?
Post #21471 7th Jan 2010 9:59am
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mse



Member Since: 06 Apr 2008
Location: UK
Posts: 5024

United Kingdom 2016 Defender 110 Puma 2.2 XS CSW Scotia Grey
Yes ages ago v2 and the next one apparently Mike
Post #21472 7th Jan 2010 10:22am
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Sonic3d



Member Since: 28 Jan 2008
Location: Ross on Wye
Posts: 1505

United Kingdom 2010 Defender 110 Puma 2.4 XS DCPU Stornoway Grey
Had the same in my 08 Double Cab, the thermostat works the same as a TD5 and will only circulate the water around the engine below 1500 rpm, needs to have periods above 1500 rpm to circulate around the heater matrix.
Thats why im fitting the Eberspacher for the Croisier Blanche, i don`t want to be cold when the car is just ticking over Thumbs Up
Post #21475 7th Jan 2010 11:58am
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holdingpoint



Member Since: 18 Aug 2009
Location: Como Italy
Posts: 35

Italy 2008 Defender 90 Puma 2.4 SW Stornoway Grey
I did a few weeks ago Q068V5, the last one, do it Thumbs Up , the engine in cold weather works better, and also I have the impression that engine goes in temperarture quikly
Post #21476 7th Jan 2010 12:01pm
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