Greetings everyone.
I have a VW Tiguan which has got poor cabin heat.
I have checked the thermostat - it's not stuck open.
I've checked the hoses which go to cabin heat exchanger - really hot, both of them.
I have visually checked the temperature flap when turning heat control knob from cold to hot setting - the flap moves all the way.
Later I hooked up VCDS and found that Cabin Air temperature is dispayed as 27 *C always, even though it's -10 *C in it or so.
I suspect this may be related to poor cabin heat output so I removed the Climatic module out to inspect the sensor which is built in it.
I unscrewed the screws, however, was not able to pop open the plastic. Something is still holding the two pieces together.
I suspect it's the fan speed knob.
Any ideas how to take apart this module so that I can gain access to PCB?
Here's how it looks like:
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