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No heating / coolant
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13576

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Out of curiosity would this fit ,ref part number LR017030

https://www.ebay.co.uk/itm/Range-Rover-Spo....l4275.c10
   
Post #219662327th Dec 2020 6:59 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10337

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Is says discovery Thumbs Up

Can’t remember if I read recently this was the best brand to get Yawn
  
Post #219663027th Dec 2020 7:38 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13576

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Cheers Pete , wasn’t sure if there was any difference regarding a particular year and if they had detachable pipes to make changing them a lot easier , didn’t wish for the op to get it and find it was wrong

Must admit on my old freelander 1 ! had to replace the heater matrix, was a nightmare as most of the dashboard had to come out

When I did remove the old heater matrix and from my Previous experience working on boilers as an experiment I tried using a powerflush machine and even some other chemicals on the heater matrix , sort of cleared it a little bit but was negligible as I monitored the flow rate before and after

So gave up and bought a new heater matrix for the freelander , picture below

Sorry I’m gassing again , lol


   
Post #219664027th Dec 2020 8:15 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10337

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

https://www.rrsport.co.uk/forum/topic42040.html
  
Post #219665027th Dec 2020 8:41 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13576

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Nice one Pete Thumbs Up

Great time saving in just leaving the old pipes in situ plus some interesting pictures of the inside of the old matrix

Thks again as very informative






   
Post #219665627th Dec 2020 9:00 pm
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Lee Trinder
 


Member Since: 12 Aug 2018
Location: Henley in arden
Posts: 515

2007 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Hi all, coming in late to this one, but if you are flushing and back flushing the heater matrix, if you can get to it try knocking it gently with something to agitate what’s in it.
I’ve had no heater in my van for three years, had to strip half the dash out but it worked wonders.
  
Post #219667427th Dec 2020 9:41 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13576

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Hi

Nothing like a 5 x minute job taking the dashboard apart Rolling with laughter

must admit ref flushing , shame the design of the matrix didn’t have opposing outlets like they do with rads etc as I feel that would certainly help reducing the amount of build up at one end

Would be brilliant to have something like a magnaclean / filter screen thats easily assessable under the bonnet to try and prevent this from happening

Yeh i know I need to get out more Whistle
   
Post #219670828th Dec 2020 12:44 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10337

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

i guess the design on this car means the pipes start up high and drop down to matrix.

Once dirt drops down it’s very difficult to get it out


Part of the 2 part chassis design
 

Last edited by Pete K on 28th Dec 2020 11:01 am. Edited 1 time in total 
Post #219671128th Dec 2020 4:19 am
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aja4x4
 


Member Since: 14 Apr 2019
Location: Westbury
Posts: 2459

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

This is correct, the replacement ones with the detachable pipes would be easy to remove and clean but i suppose once you have replaced it its very unlikely to need doing for sometime.
  
Post #219671628th Dec 2020 7:59 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

Arguably, heater matrix replacements happen mostly well after the manufacturer’s intended lifetime for the vehicle. It’s very inconvenient for us but from a design point of view it’s probably satisfactory.
  
Post #219671928th Dec 2020 8:18 am
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cmb2020
 


Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150

United Kingdom 2005 Discovery 3 TDV6 SE Manual Aintree GreenDiscovery 3

Hi all

Just about to do another big flush and new coolant

How do I drain the entire old coolant please? Or as much as possible so I can put what I know is the correct fluid in please?

Also, the tapping thing I did with a winch once that ceased up. Worked wonders!
  
Post #220135712th Jan 2021 12:14 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10337

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

remove a bottom radiator hose drains the coolant. (passenger side)

Don't know how easy that is. Confused
  
Post #220136212th Jan 2021 12:26 pm
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cmb2020
 


Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150

United Kingdom 2005 Discovery 3 TDV6 SE Manual Aintree GreenDiscovery 3

Cheers I’ll have a look
  
Post #220141212th Jan 2021 3:00 pm
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cmb2020
 


Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150

United Kingdom 2005 Discovery 3 TDV6 SE Manual Aintree GreenDiscovery 3

Where’s the best place to tap / loosen crud in the matrix system when flushing please?
  
Post #220146012th Jan 2021 5:33 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10337

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Access thru drivers footwell.
  
Post #220146212th Jan 2021 5:34 pm
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