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Pat



Member Since: 20 Nov 2016
Location: Airdrie
Posts: 55
Scotland 2013 Range Rover Autobiography SDV8 Causeway Grey
Heater blowing cold air

Hi I have a 2013 L405 SDV8 4.4. When I set heating to hot the fan will run but no hot air. The car has a coolant leak (1 litre top up every 500miles) but I am careful to top up as soon as low coolant light comes on. Any advice to point me in right direction of possible causes would be great
Thanks
Post #676978 1st Nov 2023 9:59am
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Dolphinboy



Member Since: 07 Dec 2009
Location: Bristol
Posts: 3161
United Kingdom 2015 Range Rover Autobiography SDV8 Baltic Blue

Thermostat sticking?
Post #677009 1st Nov 2023 2:51pm
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Phoenix



Member Since: 16 May 2022
Location: Gone
Posts: 1631
United Kingdom 

Fix the coolant leak first, there's probably a vapour lock in the heater circuit or the diverter valve is not functioning correctly, but TBH, with a leak, none of the coolant circuit can be relied upon to work as intended.
Post #677016 1st Nov 2023 3:54pm
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