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b1b78 heater blowing cold one side
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mickd250
 


Member Since: 21 Nov 2014
Location: Northumberland
Posts: 67

England 
b1b78 heater blowing cold one side

It takes ages to warm up the cab on my 55 tdv6 s the above code is the only one showing on the heating system, driver side warms up fine but passangs side always blows cold, I done the test were you hold the econ button and it was flashing but that's as much as I know can't find much info about it
  
Post #15887257th Jan 2016 10:07 am
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mickd250
 


Member Since: 21 Nov 2014
Location: Northumberland
Posts: 67

England 

Has anybody had this problem
  
Post #159768022nd Jan 2016 7:00 pm
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NickJ
 


Member Since: 11 Oct 2010
Location: there's no f in point
Posts: 2137

2006 Discovery 3 TDV6 S Auto Zambezi SilverDiscovery 3

Does one side of vents stay at the same temperature irrespective of where the dial is set, or are the foot/face/screen vents not changing when selecting on the buttons?
  
Post #159781522nd Jan 2016 9:55 pm
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mickd250
 


Member Since: 21 Nov 2014
Location: Northumberland
Posts: 67

England 

All vents are working on the buttons it's just the passager side of car and the rear blowers blow the same cold temp where ever the dial is , driver site works perfect hot and cold
  
Post #159792423rd Jan 2016 1:34 am
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d3mechbelfast
 


Member Since: 09 Aug 2015
Location: Belfast
Posts: 45

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Manual Zambezi SilverDiscovery 3

Blend motor flap probably broken used to be extremely common on p38 range rovers
  
Post #159792523rd Jan 2016 1:48 am
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NickJ
 


Member Since: 11 Oct 2010
Location: there's no f in point
Posts: 2137

2006 Discovery 3 TDV6 S Auto Zambezi SilverDiscovery 3

Yep that's what I would have suggested, blender motor. I've replaced two so far on mine and its the same age as yours. Take a look in my gallery how to get the dashboard apart.
That said, I think someone had much the same problem, replaced motors, and it still didn't work.
  
Post #159794123rd Jan 2016 7:51 am
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mickd250
 


Member Since: 21 Nov 2014
Location: Northumberland
Posts: 67

England 

Ok thanks mate il have a look , how long did it take to set dash out , I don't fancy doing that like lol
  
Post #159794623rd Jan 2016 8:56 am
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NickJ
 


Member Since: 11 Oct 2010
Location: there's no f in point
Posts: 2137

2006 Discovery 3 TDV6 S Auto Zambezi SilverDiscovery 3

Can't recall exactly. Perhaps allow four hours all in provided you have the new blender motor
  
Post #159799523rd Jan 2016 11:31 am
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mickd250
 


Member Since: 21 Nov 2014
Location: Northumberland
Posts: 67

England 

Just looked in your gallery good bit of information there thank you , il get the motors orderd up
  
Post #159800923rd Jan 2016 12:20 pm
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VOD80
 


Member Since: 26 May 2010
Location: Toulouse
Posts: 105

France 2005 Discovery 3 TDV6 HSE Auto Adriatic BlueDiscovery 3

Just looked in your gallery too, NickJ. Really useful little PDF you put together Smile Thanks!

Bow down
  
Post #159802023rd Jan 2016 1:12 pm
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