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Beeder



Member Since: 19 Nov 2017
Location: Nuneaton
Posts: 17

United Kingdom 
Engine temp not really rising
Hi I’m new to the world of Defender ownership (and my first ever diesel car) I recently bought a 2015 110. Apart from already 3 months into ownership having to have a new turbo fitted I’m struggling with the heater. I can drive the defender around for a good 40 mins around town ( I don’t ever do any 30mph plus driving on motorways or dual carriageways)and the engine temp will hardly budge above minimum. When I have been on the motorway I have seen the temp needle on half but never driving around. Obviously this has an impact on the heater and having to put blankets in the car for the kids. If it wasnt for the heated seats it would be pretty underivable in the cold. My wife is now saying I’m stupid for buying a car for so much that won’t even heat up.

I presume this is a feature of defender ownership but just wanted some advice from those more experienced in ownership

Cheers Beeder
Post #690927 4th Mar 2018 8:12pm
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familymad



Member Since: 13 Dec 2011
Location: Bucks
Posts: 3466

 2016 Defender 130 Puma 2.2 HCPU Santorini Black
That's not normal. On a seriously cold day like -3 and lower, in stop start traffic it will cool down but apart from that the heater is nuclear unlike older vehicles. You need to get it looked at. 1951 80" S1 2.0
1995 110 300TDI
1995 90 300TDI
Post #690932 4th Mar 2018 8:21pm
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ozzie1989



Member Since: 25 Feb 2009
Location: Wales
Posts: 282

Wales 2010 Defender 110 Puma 2.4 USW Bonatti Grey
I do an 8 mile 15 minute drive most mornings (all 30mph roads) and in all but the coldest of days I'm reaching for the heater control to turn it down by the time the journey is nearly over because it's getting too hot.

From memory on this drive I don't think my needle reaches half way either, but it does rise a little after about mile or so and this is my notification to turn the heater on.

Note that I usually keep the air in recirculate mode until the needle is on at least a quarter as I find this helps keep the heat in the cab, rather than filtering ice cold air in.

I'd say you have a problem if it's not warm in 40 mins. My old TD5 would need a blast up the motorway to get any heat out Laughing Now: 2010 2.4 TDCi 110 Utility Wagon
Then: 2004 2.5 TD5 90 Hard Top (X-Tech Edition)
Post #690944 4th Mar 2018 8:41pm
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Sulisuli



Member Since: 30 Oct 2016
Location: South west
Posts: 4789

United Kingdom 2015 Defender 90 Puma 2.2 HT Corris Grey
I had a very similiar problem with my Tdci 2.2 ( didn’t have in on the 2.4 or TD5 I have previously owned ) had the thermostat changed and it certainly improved but having driven my wife’s 2.4 this weekend and my 2.2 the 2.4 engine warms up much quicker than the 2.2

Welcome to the joys of owning a Defender, your wife will soon learn to love it unless you keep spending money on it like the rest of us Thumbs Up 2015 HT XS 90
2008 SVX 90
2000 XS TD5 90
Post #690950 4th Mar 2018 8:49pm
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Beeder



Member Since: 19 Nov 2017
Location: Nuneaton
Posts: 17

United Kingdom 
Appreciate the reply’s I’ll get it booked in - I’ve created a ‘secret’ eBay account already as I’ve been busted several times , (double din and seat upgrades ) Very Happy
Post #690967 4th Mar 2018 9:21pm
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ozzie1989



Member Since: 25 Feb 2009
Location: Wales
Posts: 282

Wales 2010 Defender 110 Puma 2.4 USW Bonatti Grey
If that fails and the 2.2 is just slow to warm (mines a noisy 2.4) then you could install a wading/snow blanket to the front grille. Google them and you'll see what I mean.

That and keeping the air on re-circulate should help Thumbs Up Now: 2010 2.4 TDCi 110 Utility Wagon
Then: 2004 2.5 TD5 90 Hard Top (X-Tech Edition)
Post #690981 4th Mar 2018 9:52pm
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zsd-puma



Member Since: 09 Aug 2016
Location: Kent
Posts: 2720

United Kingdom 2010 Defender 110 Puma 2.4 USW Santorini Black
sounds like the thermostat has failed open.

You can remove them and test them, but they're so cheap I've always just fitted a new one. I mean if you test it and it doesn't work you'll need to get one anyway.
Post #691038 5th Mar 2018 12:44am
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pannawonica



Member Since: 21 Nov 2010
Location: Clackline Western Australia
Posts: 568

Australia 
I used to use a home made snow blanket, part of a cardboard box shoved in front of the radiator. It worked a treat and at the right price! However as said I firstly would put a new thermostat in, they can fail after a very few years or last a very long time!👍 strangely started my Puma cold this morning and the Ultraguage was already showing 30C, I will have too check that one out ASAP!
Post #691061 5th Mar 2018 7:59am
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 7703

2011 Defender 110 Puma 2.4 USW Stornoway Grey
try running it with the heater off until the temp gauge starts to move as suggested ^^^^

if your at low revs and never over 30mph with fans on full i doubt it will ever warm up unless the vehicle is being used hard offoad and/or towing.

does the temp gauge move at all? Cheers

James
110 XS Utility
130 Puma Station wagon/camper (in the making)
90 Puma Hardtop
Post #691166 5th Mar 2018 2:47pm
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andydef90



Member Since: 09 Feb 2015
Location: yorkshire
Posts: 617

United Kingdom 2014 Defender 90 Puma 2.2 HT Corris Grey
mine takes a while to warm up but yours is taking a lot longer a thermostat change would not hurt . i must say iv been told many times a engine that warms up to fast has more problems than cold . Smile
Post #691171 5th Mar 2018 3:05pm
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SingletrackFred



Member Since: 23 Mar 2015
Location: Reading
Posts: 66

United Kingdom 2015 Defender 110 Puma 2.2 XS CSW Corris Grey
I had the same issue. It was a broken thermostat, replaced and working fine now.
Post #692442 10th Mar 2018 5:26pm
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borderterrier



Member Since: 09 Dec 2011
Location: Surrey
Posts: 1677

United Kingdom 2013 Defender 110 Puma 2.2 XS CSW Aintree Green
Mine heated up quickly, but then cooled down just as quick. Slow green laning at a crawl in the Dales and the heater was barely keeping me warm.
Post #692464 10th Mar 2018 7:23pm
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