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D3 to D4 upgraders.
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Huggs153
 


Member Since: 15 Nov 2012
Location: Surrey
Posts: 190

England 2015 Discovery 4 3.0 SDV6 HSE Auto Bonatti GreyDiscovery 4
D3 to D4 upgraders.

Hi Fellow D3 to D4 upgraders.
As you can see from the above I have recently acquired a D4 and wish to evolve into a proud owner/operator of said D4, however I have noticed the following issues:
1. All close/open operation failed on front passenger window – fixable via D4 forum
2. Damaged speaker face on rear right door card – To be sourced from web.
3. Damage to lower boot carpet covering - To be sourced from web (or Dave in Kent
4. Battery on remote key dead/dying - Help needed….
5. The Show Stopper – No heat coming from the vents after 30 mins of driving and engine at working temperature. Help needed….
Vehical details – D4 XS MY12 3.0 SDV6 Auto 7 Seats 159000 Miles
Huggs153…
 Huggs.
D4 XS
D3 HSE(SOLD)
side steps, EGR blanked,3 flash +Clock Move
D4 XS 2012 For sale
D4 HSE 2015
V8 Upgrade Front brakes (AF)
155000 mile+ club
RAI
16000 lb winch
D4 As it comes...
Hampshire & Berkshire 4X4 Responder 
 
Post #199925610th Nov 2018 8:28 am
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kajtzu
 


Member Since: 10 Aug 2017
Location: Helsinki
Posts: 6538

Finland 2005 Discovery 3 4.4 V8 HSE Auto Cairns BlueDiscovery 3

I guess you get airflow, right? Maybe heater matrix?

D4 keyfob battery replacement is a really easy DIY job. See https://www.discovery-parts.de/assets/files/LR4-Remote-Repair.pdf

Thumbs Up
  
Post #199925710th Nov 2018 8:31 am
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Huggs153
 


Member Since: 15 Nov 2012
Location: Surrey
Posts: 190

England 2015 Discovery 4 3.0 SDV6 HSE Auto Bonatti GreyDiscovery 4

Cheers Kajtzu, I cant find any reference to the heater matrix and where it is? Have you seen any details of its location please?
 Huggs.
D4 XS
D3 HSE(SOLD)
side steps, EGR blanked,3 flash +Clock Move
D4 XS 2012 For sale
D4 HSE 2015
V8 Upgrade Front brakes (AF)
155000 mile+ club
RAI
16000 lb winch
D4 As it comes...
Hampshire & Berkshire 4X4 Responder 
 
Post #199925910th Nov 2018 8:38 am
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kajtzu
 


Member Since: 10 Aug 2017
Location: Helsinki
Posts: 6538

Finland 2005 Discovery 3 4.4 V8 HSE Auto Cairns BlueDiscovery 3

I’m afraid I can’t help you diagnose the matrix part better but a friend had that as the root cause for no hot air. I guess it could also be the thermostat which at least is easier to look at and a component that tends to fail at least on D3s - I’m assuming the D4 would be similar in this regard.

Thumbs Up
  
Post #199926110th Nov 2018 8:46 am
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Stumog
 


Member Since: 24 Mar 2018
Location: Bristol
Posts: 171


A heater matrix is like a radiator so only leak.

Do you get air flow? If you do I would then look if the selection of the hot air is working correctly
  
Post #199929010th Nov 2018 10:26 am
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

Most modern cars flow hot water through their heater matrix all the time, so if the pipes in and out of the cabin are both hot, that side of it is okay and you will have to check what Stumog says above.

D2s used to suffer from blend motor problems all the time, not sure on the D3/4?
  
Post #199929210th Nov 2018 10:32 am
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Huggs153
 


Member Since: 15 Nov 2012
Location: Surrey
Posts: 190

England 2015 Discovery 4 3.0 SDV6 HSE Auto Bonatti GreyDiscovery 4

All air flow vents are passing air but only cool air. Engine temp normal, cabin setting at HI, still no warmth... Big Cry Big Cry Big Cry Need it fixed sooner as winter comes along...
 Huggs.
D4 XS
D3 HSE(SOLD)
side steps, EGR blanked,3 flash +Clock Move
D4 XS 2012 For sale
D4 HSE 2015
V8 Upgrade Front brakes (AF)
155000 mile+ club
RAI
16000 lb winch
D4 As it comes...
Hampshire & Berkshire 4X4 Responder 
 
Post #199930810th Nov 2018 11:33 am
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Huggs153
 


Member Since: 15 Nov 2012
Location: Surrey
Posts: 190

England 2015 Discovery 4 3.0 SDV6 HSE Auto Bonatti GreyDiscovery 4

Slight improvement but still not standard heat coming from any vent. Could it be a blockage in the matrix or a pipe?
 Huggs.
D4 XS
D3 HSE(SOLD)
side steps, EGR blanked,3 flash +Clock Move
D4 XS 2012 For sale
D4 HSE 2015
V8 Upgrade Front brakes (AF)
155000 mile+ club
RAI
16000 lb winch
D4 As it comes...
Hampshire & Berkshire 4X4 Responder 
 
Post #199965511th Nov 2018 6:23 pm
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philm
 


Member Since: 02 Oct 2016
Location: Manchester
Posts: 732

England 

Do you have a Gap IID to reset the blend motors?
Have you checked the cabin filter isn't blocked?
 L633 Defender
Range Rover Velar-gone
Discovery 4 Landmark-gone
Gap IID Tool 
 
Post #199966311th Nov 2018 7:00 pm
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Huggs153
 


Member Since: 15 Nov 2012
Location: Surrey
Posts: 190

England 2015 Discovery 4 3.0 SDV6 HSE Auto Bonatti GreyDiscovery 4

Hi Phil,
Yes and No.
Yes I have a code reader and No i haven't check the filter yet. I need a diagram of the D4 as I've only had it 3 days...
Code reads B1D29. No Start...
 Huggs.
D4 XS
D3 HSE(SOLD)
side steps, EGR blanked,3 flash +Clock Move
D4 XS 2012 For sale
D4 HSE 2015
V8 Upgrade Front brakes (AF)
155000 mile+ club
RAI
16000 lb winch
D4 As it comes...
Hampshire & Berkshire 4X4 Responder 
 
Post #199970111th Nov 2018 9:10 pm
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Huggs153
 


Member Since: 15 Nov 2012
Location: Surrey
Posts: 190

England 2015 Discovery 4 3.0 SDV6 HSE Auto Bonatti GreyDiscovery 4
Update on heating issue.

The air is coming out fine but no heat to speak of... I have back flushed the system and run a cleaning produce through with no effect. Changed the filter in the glove box, no change. What is my next step?
 Huggs.
D4 XS
D3 HSE(SOLD)
side steps, EGR blanked,3 flash +Clock Move
D4 XS 2012 For sale
D4 HSE 2015
V8 Upgrade Front brakes (AF)
155000 mile+ club
RAI
16000 lb winch
D4 As it comes...
Hampshire & Berkshire 4X4 Responder 
 
Post #200122016th Nov 2018 6:46 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8041

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Silly question, but have you actually switched the fan on?- D4 is not automatic like the D3, well mine isn’t Big Cry
Next move is to bleed air out of the system, there is a bleed valve on top front of the engine Thumbs Up
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #200122416th Nov 2018 6:58 pm
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philm
 


Member Since: 02 Oct 2016
Location: Manchester
Posts: 732

England 
Re: Update on heating issue.

Huggs153 wrote:
The air is coming out fine but no heat to speak of... I have back flushed the system and run a cleaning produce through with no effect. Changed the filter in the glove box, no change. What is my next step?


You could try disconnecting the heater and filling it with something like sink unblocker, see if that clears it.

Silly question, but have you actually switched the fan on?- D4 is not automatic like the D3, well mine isn’t
Mine are auto Thumbs Up
 L633 Defender
Range Rover Velar-gone
Discovery 4 Landmark-gone
Gap IID Tool 
 
Post #200123116th Nov 2018 7:12 pm
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Huggs153
 


Member Since: 15 Nov 2012
Location: Surrey
Posts: 190

England 2015 Discovery 4 3.0 SDV6 HSE Auto Bonatti GreyDiscovery 4

Yep cranked it up to the max. The air flow isn't the issue, It the heat. There no/very little heat coming out of the vents. I will try some auto rad flush as to domestic plumbing version... Any other Gurus out there with gems of advice?
 Huggs.
D4 XS
D3 HSE(SOLD)
side steps, EGR blanked,3 flash +Clock Move
D4 XS 2012 For sale
D4 HSE 2015
V8 Upgrade Front brakes (AF)
155000 mile+ club
RAI
16000 lb winch
D4 As it comes...
Hampshire & Berkshire 4X4 Responder 
 
Post #200137517th Nov 2018 11:09 am
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Huggs153
 


Member Since: 15 Nov 2012
Location: Surrey
Posts: 190

England 2015 Discovery 4 3.0 SDV6 HSE Auto Bonatti GreyDiscovery 4

Heater Update,

The pipes work was connected to the wrong outlets on the Webasto. I removed it and gave it a clean up as it was there...
I made a loop with plastic 3/4inch male - male connector and now i have heat. One the winter feeling has gone and we have some sunshine I will get the webasto refitted and see how it goes.
 Huggs.
D4 XS
D3 HSE(SOLD)
side steps, EGR blanked,3 flash +Clock Move
D4 XS 2012 For sale
D4 HSE 2015
V8 Upgrade Front brakes (AF)
155000 mile+ club
RAI
16000 lb winch
D4 As it comes...
Hampshire & Berkshire 4X4 Responder 
 
Post #201164021st Dec 2018 5:12 pm
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