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Heater core flush
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Longy
 


Member Since: 03 Mar 2023
Location: Nottingham
Posts: 27

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Zermatt SilverDiscovery 4
Heater core flush

So I have the standard issue of heat coming out of the vents on the right side of the cabin (front and back) however no heat on the left side of the car.

Today I did a flush however not at the 2 connectors on the bulkhead of the car, I flushed from the more accessible pipes further back, I flushed both ways a few times and it didn't do the trick of solving the problem.

I would of flushed from the 2 connectors on the bulkhead however I just couldn't get my hands in there to disconnect, the space is just so tight to get your hands in there, has anyone managed to do it and if so how?
  
Post #23326006th Apr 2023 8:05 pm
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Longy
 


Member Since: 03 Mar 2023
Location: Nottingham
Posts: 27

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Zermatt SilverDiscovery 4

Just watched a heater core issue on a L322, on the TDV8 L322 there were valves that sent the heat to each side of the cabin, does anyone know if this is a thing on a D4?
  
Post #23326146th Apr 2023 10:06 pm
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Lrstaylor
 


Member Since: 04 Oct 2018
Location: Kent
Posts: 589

England 2005 Discovery 3 TDV6 HSE Auto Adriatic BlueDiscovery 3

Iv just recently flushed my heater core on our D3 I'm sure there the same. I used a flush gun off the bay air line and water in plus some long clear hose attached at the bulk head to make the job a lot easier and keeped the engine bay dry.
Flushed both ways a few times and job done.


  
Post #23326176th Apr 2023 10:50 pm
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Longy
 


Member Since: 03 Mar 2023
Location: Nottingham
Posts: 27

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Zermatt SilverDiscovery 4

Thanks,

Yeah I saw I video using that method, I've also seen someone flushing on a D3, there looks much more space on a D3, I'm literally struggling to get one hand onto the connections on the bulkhead on a D4.
  
Post #23326216th Apr 2023 11:15 pm
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