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Help required..... Rad Maybe?? Thermostat??
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FrenchyVR46
 


Member Since: 15 Jan 2021
Location: Bedfordshire
Posts: 10

United Kingdom 
Help required..... Rad Maybe?? Thermostat??

All

Please give me some ideas...... 2010 LR4

Had a new coolant bottle fitted etc as i thought the sensor had gone as the light popped up occasionally

Now the there is pressure coming from the pipe that leads from the coolant bottle to the thermostat.....

Now... Head gasket test was done and fluid remained blue.... car is not over heating.... fan is working, no coolant lost, no smoke from exhaust and the car runs like an absolute dream....

Any further ideas?? Rad Maybe?? Thermostat??

Cheers
  
Post #222370810th Apr 2021 3:43 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 7488

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

are you sure its not normal ?

What do you mean pressure ?
  
Post #222371110th Apr 2021 4:04 pm
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FrenchyVR46
 


Member Since: 15 Jan 2021
Location: Bedfordshire
Posts: 10

United Kingdom 

where the bleed plug is it bubbling.... looks like air pressure coming into it... the rest of the tank is calm??
  
Post #222371610th Apr 2021 4:21 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 7488

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

maybe it just needs bleeding ? by loosening that screw (not when the engine is very hot)

and also the one at the front of the engine (if you have one)
  
Post #222373710th Apr 2021 5:23 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 6720

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

Thumbs Up Air lock, when air gets warm it expands causing pressure, the hotter it gets the more it expands and eventually boils, the water in the rad must be under pressure to stop it boiling.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #222374110th Apr 2021 5:31 pm
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FrenchyVR46
 


Member Since: 15 Jan 2021
Location: Bedfordshire
Posts: 10

United Kingdom 

Cheers all......... hmm may need a Rad then.....
  
Post #222374410th Apr 2021 5:32 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 6753

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

Old rule if the fault was not there before you started, it is/was something you have done.
 Give them just enough.  
Post #222374610th Apr 2021 5:44 pm
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FrenchyVR46
 


Member Since: 15 Jan 2021
Location: Bedfordshire
Posts: 10

United Kingdom 

Cheers for the comment.....
  
Post #222375110th Apr 2021 6:01 pm
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