1999 Volkswagen Passat Q&A

1999 Volkswagen Passat Question: get very little heat,w/blower on. Thermostat is Ok 190deg.coolant level OK ??

Checked heater core temp.on hoses in & out and it seems same temp is hot evenly in and out. with blower working heat-drops Radiator liguid level OK. Temp. control-knob & cable seems to be operating can hear damper changing position from cold to hot. can't find a heater control valve... What can it be???? -
Answer 1
Is the t-stat rated at 190 degrees or is the engine running at 190? Heater control valve may be inside under dash. -
Answer 2
heater core clogged? -