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Macpaul



Member Since: 25 Mar 2013
Location: SW Surrey
Posts: 439
United Kingdom 2013 Defender 110 Puma 2.2 USW Loire Blue
Puma heater control adjustment
Hello folks,

The range of adjustment on the rotary heater control on my air con 2013 USW gives Hot-Hot-Hot-Hot-Hot-Hot-Warm-Cold and it's pretty tricky to get the warm bit.

Hunters in Guildford say 'that's normal for a defender sir' but they say that about every single thing I've ever taken to them.

Then we argue and sometimes they fix something.

Are they right in this case? I can't see its adjustable in the engine bay.

Thanks. 2003 Td5 110 Hardtop
Now a 2013 110 USW too.
Post #394754 1st Feb 2015 11:05am
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Go Beyond



Member Since: 30 Jan 2012
Location: Headcorn, Kent
Posts: 6678
United Kingdom 
Just for once, they are right, they do all do that Mr. Green
Post #394756 1st Feb 2015 11:10am
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redzob



Member Since: 16 Jul 2014
Location: St. Peter Port
Posts: 137
Guernsey 2015 Defender 90 Puma 2.2 XS CSW Corris Grey
Unfortunately this is also my experience. It's also nigh on impossible for find that 'Warm' biting point...

Climate control it aint... Neutral Defender Puma 2.2 XS 90
Vespa GTS 300
Way too many racing bikes.
Post #394769 1st Feb 2015 11:59am
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Macpaul



Member Since: 25 Mar 2013
Location: SW Surrey
Posts: 439
United Kingdom 2013 Defender 110 Puma 2.2 USW Loire Blue
Fair enough!

Thanks chaps. 2003 Td5 110 Hardtop
Now a 2013 110 USW too.
Post #394786 1st Feb 2015 12:58pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17368
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
It's a normal characteristic, as are the wild fluctuations in temperature according to what the engine has been doing.
Post #394821 1st Feb 2015 2:57pm
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Rickydodah



Member Since: 14 Jul 2014
Location: East Sussex
Posts: 1091
Re: Puma heater control adjustment
Macpaul wrote:
Hello folks,

The range of adjustment on the rotary heater control on my air con 2013 USW gives Hot-Hot-Hot-Hot-Hot-Hot-Warm-Cold and it's pretty tricky to get the warm bit.

Hunters in Guildford say 'that's normal for a defender sir' but they say that about every single thing I've ever taken to them.

Then we argue and sometimes they fix something.

Are they right in this case? I can't see its adjustable in the engine bay.

Thanks.

I'd agree with the others on this, hot range for around 80% then a small area where it goes between hot, warm and warmish, then cold. I'm happy with this because previous Land Rovers never had the hot bit. Thumbs Up I started with nothing and still have most of it left!
Post #394836 1st Feb 2015 3:20pm
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Macpaul



Member Since: 25 Mar 2013
Location: SW Surrey
Posts: 439
United Kingdom 2013 Defender 110 Puma 2.2 USW Loire Blue
Yes that's true. My TD5 struggled to heat up but I assumed this was an adjustment problem but apparently not. 2003 Td5 110 Hardtop
Now a 2013 110 USW too.
Post #394839 1st Feb 2015 3:28pm
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AndyS



Member Since: 18 Aug 2012
Location: London
Posts: 595
United Kingdom 2011 Defender 110 Puma 2.4 XS CSW Sumatra Black
Five clicks from cold is about right, maybe one either way depending on how hard you're driving.
Post #394901 1st Feb 2015 6:59pm
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DAZ110



Member Since: 06 Dec 2007
Location: East Sussex
Posts: 2038
United Kingdom 2013 Defender 90 Puma 2.2 XS CSW Barolo Black
Perhaps fitting a MUD heater deflector might help by deflecting the heat away from your leg and the handbrake ?
Post #394914 1st Feb 2015 7:18pm
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Lou Sparts



Member Since: 15 Apr 2012
Location: Kent
Posts: 1501
United Kingdom 2005 Defender 90 Td5 XS CSW Zambezi Silver
I think you Puma owners are just out to pee us Td5 owners off with your "my heaters too hot thread" Sad 2005 Td5 90 XS

Steve
Post #394916 1st Feb 2015 7:21pm
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Cupboard



Member Since: 21 Mar 2014
Location: Suffolk
Posts: 2971
United Kingdom 2011 Defender 110 Puma 2.4 HT Corris Grey
Is there anything that can be done about it? Mine does it too and it's really annoying.

It's like Land Rover decided that too many people were complaining the heater was too cold so they'd just make it too hot all the time.
Post #394925 1st Feb 2015 7:43pm
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x-isle



Member Since: 26 May 2011
Location: Midlands
Posts: 1327
Wales 2007 Defender 110 Puma 2.4 XS CSW Santorini Black
Don't know if the Transit has the same heater valve but not only does my Puma do it but my Transit based Motorhome does a similar thing. Not had a look to see if the MH has the same valve

Guess the only fix is to change the heater valve to either another manufacturers or if there is a 3rd party aftermarket one. Craig Rogers

2007 Puma 110 XS
2011 Evoque Coupe Dynamic Lux
www.craigrogers.photography
Post #394964 1st Feb 2015 9:15pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17368
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
You really want some kind of thermostatic valve, and I don't know of one. A big part of the problem is that the engine temperature fluctuates considerably when running.

You will also usually find the air discharged into the LH footwell is a lot hotter than that in the RH since the heater matrix is always several degrees hotter on the inlet/outet side (the left). There is a completely ineffective LR bodge -sorry, solution - for this, which really isn't worth the considerable effort required to apply!

It is one of the many quirks that makes Defender ownership special and unforgettable, and every journey an adventure.
Post #395005 1st Feb 2015 10:18pm
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bear100



Member Since: 22 Mar 2010
Location: South Wales
Posts: 1913
Wales 2010 Defender 110 Puma 2.4 USW Santorini Black
My last transit with the 2.4 had no issues with the heater, it worked great! My puma on the other hand is just like the rest a fine line between hot and cold Shocked
Could a climate system be retrofitted like the disco two? 2016 Range Rover Autobiography 4.4 TDV8
2010 110 XS Utility 2.4TDCI
2010 Range Rover Sport TDV8 (gone)
2007 Discovery HSE TDV6 (gone)
1993 110 csw 200 tdi (gone)
1994 90 HT 300 tdi (gone)
1994 discovery 300tdi (gone)
90 hybrid 3.5 v8 (gone)
Range rover bobtail 3.5 v8 (gone)
Post #395007 1st Feb 2015 10:24pm
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charlesteton



Member Since: 24 Feb 2013
Location: London
Posts: 40
United Kingdom 
100% correct... Series=freezing, no heat. Don't know which I prefer!
Post #395078 2nd Feb 2015 10:18am
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