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No heating / coolant
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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
No heating / coolant

Hi all (again)

Heating doesn’t work like it did. I did the coolant bottle as the float was jammed..

The top of the coolant tank is full, and I bled the pipe bit for about a minute. No bubbles.

Presuming that was the correct procedure?
  
Post #218163521st Oct 2020 10:34 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4628

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

How much coolant did you drain/loose when changing the tank?

There are two other bleed ports which will help exhaust any air, one on the front of the L/H front timing belt cover, and the other is on the EGR crossover pipe towards the back of the engine behind the oil filter.

Bring the car up to temperature and with the heater temp on full, start with the one in front of the timing cover. If there's no air move to the EGR bleed and alternate between them until all air is expelled. Don't forget to bleed the expansion tank again too as air may circulate back to it, and don't scald yourself!

By the way, if you spilled coolant on the pulleys/ v belt it can cause a screeching noise!
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #218166322nd Oct 2020 1:06 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10360

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Early ones don’t have EGR bleeder.
  
Post #218166922nd Oct 2020 6:40 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

Confused on which post is which as this has been related to another issue

However I’m still only getting mildly warm air!

I’ve just spent a hour bleeding the coolant. Including opening the drain plug thing. Bleeding with reservoir lid closed. Then open. And have tried pumping the radiator pipes to the left of the fan where I can fit my hand.

Am I going insane or is there something I’m missing please?
  
Post #21843063rd Nov 2020 6:12 pm
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darrind
 


Member Since: 04 Jul 2008
Location: In A World of My Own!
Posts: 2863

England 2013 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

PROFSR G wrote:
How much coolant did you drain/loose when changing the tank?

There are two other bleed ports which will help exhaust any air, one on the front of the L/H front timing belt cover, and the other is on the EGR crossover pipe towards the back of the engine behind the oil filter.

Bring the car up to temperature and with the heater temp on full, start with the one in front of the timing cover. If there's no air move to the EGR bleed and alternate between them until all air is expelled. Don't forget to bleed the expansion tank again too as air may circulate back to it, and don't scald yourself!

By the way, if you spilled coolant on the pulleys/ v belt it can cause a screeching noise!


I think its pretty clear whats needed from this - perhaps get a Haynes Manual so you have some pictures to reference it back to, or have a quick look on youtube as there possibly are some videos there to show you.. its the same procedure to follow to bleed the RRS TDV6 so there may be videos there for that rather than the Disco Thumbs Up
 Must stop buying shiny toys....  
Post #21843093rd Nov 2020 6:28 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

Hi there’s apparently no second bleed valve on the lr3 2005? Just the front one above the fan belt and the reservoir.

And videos I have copied several now to be fair.

Even tried rocking the car to disperse any bubbles and air
  
Post #21843103rd Nov 2020 6:31 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
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England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Thermostat may be stuck open and you haven’t an air lock at all!

 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #21843523rd Nov 2020 9:35 pm
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PROFSR G
 


Member Since: 06 Mar 2017
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Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Might be a bit easier to read.

Quote:
Click image to enlarge
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #21843603rd Nov 2020 10:15 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

Thanks I’ll try this tomorrow!

And what is the thermostat? Sorry if that’s a stupid question. I’ll check it!!
  
Post #21843673rd Nov 2020 10:58 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
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United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

PROFSR G wrote:
Might be a bit easier to read.

Quote:
Click image to enlarge


Hiya

Seeing that it’s bugging me now ref bleed screw as I’m convinced I saw another one up by the bulkhead

Will see if I can find it to confirm it 100% and if so will take a pic

Edit , just looked and can’t bloody find it now Big Cry
   
Post #21843794th Nov 2020 12:02 am
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4628

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

His is an early D3 Gary, so there's just the two! The later models have the EGR crossover bleed.
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #21843834th Nov 2020 12:28 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13612

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

Thks mate , see mine is the same year , pretty sure it was near the bulkhead, bugged me that much I just went out and had a look but couldn’t find it , definitely wasn’t the fuel bleed valve

Think I saw it when I done the egr blanks as I had removed the battery covers etc for access

Oh well tis life Laughing
   
Post #21843914th Nov 2020 12:55 am
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4628

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

I think was introduced on EU4.
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #21843924th Nov 2020 12:59 am
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13612

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

Ah i see , every day is a school day

Out of curiosity have u seen one on the later models EU4 plse

Thks again
   
Post #21843944th Nov 2020 1:05 am
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4628

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

The EGR bleed? Yes, they all have them!
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #21843954th Nov 2020 1:07 am
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