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Problems with heating on the left side
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ivniulian
 


Member Since: 01 Oct 2020
Location: Suceava
Posts: 14

Romania 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3
Problems with heating on the left side

Hi,

I have problems with heating system on the left side, I mean driver side. So, it give to me cold air on all vents, feet, window, face. Sometimes it gave to me little warmth air but colder than right side. I checked two heater actuators from driver side and it's working good. After I deleted the errors, them are still there after some kilometers.

B1a73-18 Left Seat Heater
B1B74 Front foot-defrost mode stepper actuator
B1B75 Front foot-face mode stepper actuator
B1B76 Front left air blend stepper actuator








  
Post #218122120th Oct 2020 10:41 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10336

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

did you fix it?

please be warned that if the battery is low, and you start the engine you will get those fault codes.

trying clearing codes. Turn ignition on without starting.
Press through the deflectiion buttons on the climate and then read codes.
Maybe you will just get one code or no codes ?

It could be the water matrix is blocked. We have heard this before
  
Post #218122520th Oct 2020 11:01 am
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ivniulian
 


Member Since: 01 Oct 2020
Location: Suceava
Posts: 14

Romania 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Didn't solve ... I just checked to see if it worked and worked. Errors codes remain after deletion. I did not check by how long they appear or under what condition. I'll check when I go to the tester again.

I heard about this matrix ... but it requires the all board remove . asked here maybe there are other possibilities to avoid water matrix
  
Post #218122920th Oct 2020 11:06 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10336

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

You could flush it first.


or you can cut a little plastic to slide it out

https://www.rrsport.co.uk/forum/topic42040.html
  
Post #218123120th Oct 2020 11:15 am
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ivniulian
 


Member Since: 01 Oct 2020
Location: Suceava
Posts: 14

Romania 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Well, I'll try to see how remove and clean it. Thanks!
  
Post #218123820th Oct 2020 11:52 am
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ivniulian
 


Member Since: 01 Oct 2020
Location: Suceava
Posts: 14

Romania 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

I solved the problem was the water matrix. It didn't work with clean. I replaced the product.

Pay close attention to the manufacturer. I took NRF matrix and it was not good, the pipes were very weak. I bought one from Nissens which was good. Now I have heat in the whole car

Thanks all!
  
Post #22078764th Feb 2021 8:19 am
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