Range Rover cherry popped

Hi all, we got our first RR a nice looking 2007 TD V8. We bought from the auctions (risky I know) but it drives and shifts super smoothly. The only issue is the heaters only blow cold air.

I have tan the engine on the drive for an easy half hour and the temp stays central on the gauge, the fans work on all speeds but no hot air.

I’m thinking air lock or blockage but thought I’d ask on here as someone may have came across this at some point.

Anyhow cheers in advance

Post in rangrover sectiion.

Shippers said:

Post in rangrover sectiion.

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Ok cheers buddy new to all this forum malarkey