Hi there, I have a 2014 l200 triton (warrior). The blend door actuator is not functioning. By that I mean, the heater is not working, whilst there is hot water running through the heater core the flap between the a/c and heating chamber is not moving. Mitsubishi here in Australia are quoting $2500 for a change over heater box! Bit rich, so I am attempting to replace it myself. Has anybody here experience with this, cheers Eric.