Hi all,
overall, the air conditioning in my Quatermaster Diesel worked quite well, apart from a few temperature fluctuations over the first 5,000 kilometres.
Yesterday, however, we were driving with five people and four of us were too hot at 19°C selected and I had a strong, cold draught on my legs at higher car speeds on the front passenger seat. Back at home I looked for the cause and probably found it: there is a combined swichting flap/ channel for the recirculating underneath / behind the glove box, which seemed not to be tight when in non-recirculating position so cold air from outside was pushed into the footwell at higher speeds (in recirculating position, the port from outside is closed and the air is sucked out of the footwell, in the other position a channel is turned between outside port and heating system, all sealed by rubber lips).
The next problem might be, that the sensor for inside air temperature is located just over the glove box (at least i think the inlet for the sensor is there), so in that area were it was to cold at speed. Which lets the heating heat more and more.
At least in auto position, the recirculating flap is closed when the car is shut off and switches when driving. So the non-sealed condition could occur occasionally, from drive to drive different. Maybe it is worth to be checked by those having problems. I pushed the flap back a little and it was fine after that, but i have to check a little more with a passenger...
overall, the air conditioning in my Quatermaster Diesel worked quite well, apart from a few temperature fluctuations over the first 5,000 kilometres.
Yesterday, however, we were driving with five people and four of us were too hot at 19°C selected and I had a strong, cold draught on my legs at higher car speeds on the front passenger seat. Back at home I looked for the cause and probably found it: there is a combined swichting flap/ channel for the recirculating underneath / behind the glove box, which seemed not to be tight when in non-recirculating position so cold air from outside was pushed into the footwell at higher speeds (in recirculating position, the port from outside is closed and the air is sucked out of the footwell, in the other position a channel is turned between outside port and heating system, all sealed by rubber lips).
The next problem might be, that the sensor for inside air temperature is located just over the glove box (at least i think the inlet for the sensor is there), so in that area were it was to cold at speed. Which lets the heating heat more and more.
At least in auto position, the recirculating flap is closed when the car is shut off and switches when driving. So the non-sealed condition could occur occasionally, from drive to drive different. Maybe it is worth to be checked by those having problems. I pushed the flap back a little and it was fine after that, but i have to check a little more with a passenger...
