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rsdave137



Member Since: 14 Jul 2020
Location: lancashire
Posts: 4
United Kingdom 2014 Range Rover Autobiography TDV6 Santorini Black
L405 3.0 SDV6 no hot air from heater

2014 L405 3.0 SDV6
Been into local dealer vertu for diagnostic and can’t find fault , just seeing if anyone had same fault
The diesel heater works fine
Starting car heater slightly warm once run approx 7-8 min heating in car goes cold
Pipes into bulk head hot and all pipes around engine I can feel are warm
More you drive it colder it gets
No fault in any ecus
Heater box motors all working
Any advise would be greatly appreciated
Thanks
Post #658603 6th Mar 2023 10:39am
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fisha



Member Since: 25 Sep 2009
Location: Scotland
Posts: 1240
2015 Range Rover Autobiography SDV8 Aruba

is it cold all the time even if you set the heater to max temp and low fan speed ? V8 or else ...
Post #658756 7th Mar 2023 2:05pm
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rsdave137



Member Since: 14 Jul 2020
Location: lancashire
Posts: 4
United Kingdom 2014 Range Rover Autobiography TDV6 Santorini Black

Hi,
Heaters stay cold on all Fan speed s
Can turn from low to high and temp coming out of air vents measures 9oc with on high and 6oc on low
Post #658798 7th Mar 2023 8:54pm
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Dolphinboy



Member Since: 08 Dec 2009
Location: Bristol
Posts: 3059
United Kingdom 2011 Range Rover Vogue TDV8 Atacama Sand

either the aircon compressor valve is stuck (replace whole compressor, it's as cheap as just the valve I hear) or it may just be the Heater Control Valve-Duokon Heater Control Valve, ABS Heater Control Valve Fit for LR016848.

https://www.amazon.co.uk/dp/B07X87BB28?psc...ct_details

PS this is for a 2011 TDV8 but it may be the same or similar.
Post #658803 7th Mar 2023 9:10pm
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