Heater Cable - air distribution

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The cable seems to be working as air goes to the windscreen and stops when set to the lower position. I can hear the hot air going somewhere when in the lower foot well position on the control but I can't feel it anywhere inside or in the engine bay. Where is this hot air going and is it supposed to come out of the little round vents on the air con ducting.

Is there anyway or anywhere to look to see if the flap is moving to direct the air to the foot vents?
 
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Anyone :confused:
I loosened the aircon ducting on the passenger side last night and where I'd expect the foot vent hole to be on a no a/c model is cover over with vinyl.

Were should warm air come out off on a TD5 XS with a/c. Pretty please :D
 
I think I have solved what is happening when the lower vents. The ducting for the a/c contains extended foot vents which match up with the holes in the lower dash where the normal vents would normally go. The a/c ducting vent has a foam edge to match up to these holes but the vinyl that covers the lower dash has never been cut so the warm air can’t get out. I’ve cut a small hole in the vinyl and I can now feel warm air. At the weekend I will remove the a/c ducting and open up the holes full. This is a factory fault that has never been challenged since the vehicle was new.
 
Well done, unfortunately the only air conditioning most fenders have are windows and air vents in the bulkhead. Flippin' showoff:D
Ha Ha. I thought I was the only one on this thread :) It's my 4 Defender and I've been working up to a 'nice' one for years. Finally got a mint XS but it's nearly 10 years old!
 
what year is it, the manual you linked to is for a 300tdi, which didnt have aircon (ok, some did but very rarely)
thought the XS was a bit newer than that.
 
The aircon looks like it's just a superficial addon. It's all held on with 5 screws and underneath the heating is unmodified apart from the footwell vents.
 
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