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TopQ1967



Member Since: 14 Feb 2012
Location: Veghel
Posts: 236

Netherlands 2012 Defender 130 Puma 2.2 HCPU Buckingham Blue
Interior heater not going back to cool...
Hi,

Just after our first stop in a 1300 km trip, after fiddling with the temp knob (full hot), it wouldn't go back to cool.
We drove the rest of the trip with the windows fully open as the aircon wasn't working ieder.

It is now around 30 degrees in Spain. And the heater is only blowing hot air. It is hardly to drive as I am burning my knees.

Any suggestions what could have happened (is broken)?

Suggestions much apriciated as we have to travel the 1300 km back next week (with 4 girls mowing about the temp 😁)
Post #556575 16th Aug 2016 11:14pm
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ericvv



Member Since: 02 Jun 2011
Location: Near the Jet d'Eau
Posts: 5816

Switzerland 2009 Defender 110 Puma 2.4 SVX Station Wagon Santorini Black
Goeie morgen, niks verkeerd met 30 graden natuurlijk. Binnen een paar maanden (of eerder) vragen we daar weer naar. Cool
Now, I think that possibly your solution might be the same as the one in the posts toward the end of below thread. It could be that same heater valve, and maybe as easy to correct as Gren did. Take a look.
Eric
http://www.defender2.net/forum/topic47480....ontrol+hot You never actually own a Defender. You merely look after it for the next generation.
http://youtu.be/yVRlSsJwD0o
https://youtu.be/vmPr3oTHndg
https://www.youtube.com/watch?v=_GtzTT9Pdl0
https://www.youtube.com/watch?v=ABqKPz28e6A
https://www.youtube.com/watch?v=rLZ49Jce_n0
https://www.youtube.com/watch?v=XvAsz_ilQYU
https://www.youtube.com/watch?v=K8tMHiX9lSw
https://m.youtube.com/watch?v=dxwjPuHIV7I
https://vimeo.com/201482507
https://www.youtube.com/watch?v=ZSixqL0iyHw
Post #556590 17th Aug 2016 4:34am
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Wild Card 90



Member Since: 03 Dec 2014
Location: Gerlingen
Posts: 1060

England 2012 Defender 90 Puma 2.2 SW Indus Silver
The heater is controlled by a simple water valve in the engine compartment.

In order to find out if it is the valve or the cable thatīs at fault, you will need to disconnect the two. Under the bonnet, left hand side (on a LHD model), high up near the bulkhead. Once disconnected, you should be able to move the valve itself to itīs fully closed position, and put an end to your plight!

By the way, the AC is probably working, but the heater is too powerful to overcome it. So once you cut off the heat, the cool air of the AC will return.

Good luck! 1998 Tdi 90 SW,
2008 Td4 90 SW,
2012 2.2 90 SW,
2" raised Trailmaster/Terrafirma
Heavy Track Raids, 255 MTīs,
Recaro CSīs, anorak, wellingtons
Post #556592 17th Aug 2016 5:08am
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HardCharger



Member Since: 03 Mar 2013
Location: Manila
Posts: 732

Philippines 2011 Defender 110 Puma 2.4 SW Stornoway Grey
There is a little flap thing on the heater in the engine bay, this is sometimes not closed properly via the temperature knob. Just give it a push down to close it all the way and you should find the AC working properly again. In this situation, the AC still works, it's just being overpowered by the heater.

I hope this helps.
Post #556602 17th Aug 2016 6:36am
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TopQ1967



Member Since: 14 Feb 2012
Location: Veghel
Posts: 236

Netherlands 2012 Defender 130 Puma 2.2 HCPU Buckingham Blue
Thank you all.

Course was indeed at the engine bay heater valve side. The clip holding the cable was lose. Heating, full-open was easy by pushing the complete cable, but closing not as there was no resistance by the clip.

I am able to drive home safe (cool) now without to much hassle 😊
Post #556634 17th Aug 2016 10:14am
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VeeTee



Member Since: 06 Mar 2011
Location: Somewhere
Posts: 1512

Netherlands 
Wild Card 90 wrote:
... Under the bonnet, left hand side (on a LHD model), high up near the bulkhead...


As far as I know - at least in my Defender - the heater matrix and valve in a LHD model sits at the right hand side (that is standing behind the vehicle and looking forward. Wink
(On the left side there is de brake servo). Cheers, Vincent
1959 Polynorm 1/4 Ton Trailer, Olive Drab Green (sold)
1970 M416 Military Trailer (Camping Trailer Conversion), Epsom Green (sold)
1975 Series III 88 V6, Light Green (sadly sold)
1996 Defender 110 CSW 300 Tdi, Epsom Green (sold)
2000 Freelander 1 TD4 3-drs, Silver (sold)
2006 Freelander 1 TD4 5-drs Facelift Automatic, Tonga Green (sold)

MySite
Post #556756 17th Aug 2016 7:10pm
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Wild Card 90



Member Since: 03 Dec 2014
Location: Gerlingen
Posts: 1060

England 2012 Defender 90 Puma 2.2 SW Indus Silver
Thanks VT. It depends how you look at it, doesnīt it? Laughing Laughing Laughing Laughing 1998 Tdi 90 SW,
2008 Td4 90 SW,
2012 2.2 90 SW,
2" raised Trailmaster/Terrafirma
Heavy Track Raids, 255 MTīs,
Recaro CSīs, anorak, wellingtons
Post #556764 17th Aug 2016 7:38pm
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VeeTee



Member Since: 06 Mar 2011
Location: Somewhere
Posts: 1512

Netherlands 
Indeed. I am not an Englishman, but as the English say, there is only one right side and that is the left side... Rolling with laughter Thumbs Up Cheers, Vincent
1959 Polynorm 1/4 Ton Trailer, Olive Drab Green (sold)
1970 M416 Military Trailer (Camping Trailer Conversion), Epsom Green (sold)
1975 Series III 88 V6, Light Green (sadly sold)
1996 Defender 110 CSW 300 Tdi, Epsom Green (sold)
2000 Freelander 1 TD4 3-drs, Silver (sold)
2006 Freelander 1 TD4 5-drs Facelift Automatic, Tonga Green (sold)

MySite
Post #556767 17th Aug 2016 7:42pm
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Wild Card 90



Member Since: 03 Dec 2014
Location: Gerlingen
Posts: 1060

England 2012 Defender 90 Puma 2.2 SW Indus Silver
VeeTee wrote:
Wild Card 90 wrote:
... Under the bonnet, left hand side (on a LHD model), high up near the bulkhead...


As far as I know - at least in my Defender - the heater matrix and valve in a LHD model sits at the right hand side (that is standing behind the vehicle and looking forward. Wink
(On the left side there is de brake servo).


Dear VT, lets sort this out properly, shall we?

if you are right (er, I mean correct) and the heater valve - quote "in a LHD model sits at the right hand side (that is standing behind the vehicle and looking forward."

- Iīll buy you a crate of beer of your choice.

If, however, it is on the left hand side (also viewing from behind) above the brake servo, and not as you describe, on the same (right hand) side as the heater matrix, then Iīd like 12 bottles of your best local brew.

Are you up for it? Very Happy Very Happy Very Happy Whistle Whistle Whistle 1998 Tdi 90 SW,
2008 Td4 90 SW,
2012 2.2 90 SW,
2" raised Trailmaster/Terrafirma
Heavy Track Raids, 255 MTīs,
Recaro CSīs, anorak, wellingtons
Post #557015 18th Aug 2016 4:46pm
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VeeTee



Member Since: 06 Mar 2011
Location: Somewhere
Posts: 1512

Netherlands 
VeeTee wrote:

As far as I know - at least in my Defender - the heater matrix and valve in a LHD model sits at the right hand side (that is standing behind the vehicle and looking forward. Wink
(On the left side there is de brake servo).



As I said before - and I also explicitely mentioned my LHD model - under my bonnet the brake servo sits on the left (what is very logical, because it also happens I sit on the left, otherwise you have to be very gymnastic to touch the brakes), and the heater on the right.

I just took a picture, standing before the bonnet looking aft, so you have to correct for that standing at the rear looking forward (and in the latter position it is not possible to take a picture with open bonnet Laughing ).


Click image to enlarge


So... cheers! Thumbs Up

 Cheers, Vincent
1959 Polynorm 1/4 Ton Trailer, Olive Drab Green (sold)
1970 M416 Military Trailer (Camping Trailer Conversion), Epsom Green (sold)
1975 Series III 88 V6, Light Green (sadly sold)
1996 Defender 110 CSW 300 Tdi, Epsom Green (sold)
2000 Freelander 1 TD4 3-drs, Silver (sold)
2006 Freelander 1 TD4 5-drs Facelift Automatic, Tonga Green (sold)

MySite
Post #557018 18th Aug 2016 5:09pm
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Wild Card 90



Member Since: 03 Dec 2014
Location: Gerlingen
Posts: 1060

England 2012 Defender 90 Puma 2.2 SW Indus Silver
Dammit VT you got me there! Thumbs Up Thumbs Up Thumbs Up You did say "at least on my Defender" and you were right, as its a TDi. Embarassed Embarassed Embarassed
Well done.......well almost. As we are in the TDCi section, and the OP was asking for information applicable to his 2012 2.2....ok, ok Iīm buying! Embarassed Whistle

Just for the record, hereīs one they did recently.... Laughing


Click image to enlarge
 1998 Tdi 90 SW,
2008 Td4 90 SW,
2012 2.2 90 SW,
2" raised Trailmaster/Terrafirma
Heavy Track Raids, 255 MTīs,
Recaro CSīs, anorak, wellingtons
Post #557023 18th Aug 2016 5:25pm
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VeeTee



Member Since: 06 Mar 2011
Location: Somewhere
Posts: 1512

Netherlands 
Haha, there you have a point too! I only looked at the op's country flag, and thus supposed he was driving a LHD model. However I did not realise or know that there is such a difference between 300 Tdi and the later models - concerning heater location and layout of course. Thought because of the location of the brake servo the heater on the later models, even LHD, couln't be on the left.

So I guess we're sort of quitte - must have a beer together sometime and talk Land Rover ... Thumbs Up Very Happy Cheers, Vincent
1959 Polynorm 1/4 Ton Trailer, Olive Drab Green (sold)
1970 M416 Military Trailer (Camping Trailer Conversion), Epsom Green (sold)
1975 Series III 88 V6, Light Green (sadly sold)
1996 Defender 110 CSW 300 Tdi, Epsom Green (sold)
2000 Freelander 1 TD4 3-drs, Silver (sold)
2006 Freelander 1 TD4 5-drs Facelift Automatic, Tonga Green (sold)

MySite
Post #557025 18th Aug 2016 5:34pm
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Wild Card 90



Member Since: 03 Dec 2014
Location: Gerlingen
Posts: 1060

England 2012 Defender 90 Puma 2.2 SW Indus Silver
Thumbs Up Thumbs Up 1998 Tdi 90 SW,
2008 Td4 90 SW,
2012 2.2 90 SW,
2" raised Trailmaster/Terrafirma
Heavy Track Raids, 255 MTīs,
Recaro CSīs, anorak, wellingtons
Post #557135 19th Aug 2016 4:59am
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