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

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????

by in Roselle Park, NJ on October 25, 2012
2 answers 1 comment
ANSWER by on October 25, 2012
Is the t-stat rated at 190 degrees or is the engine running at 190? Heater control valve may be inside under dash.
ANSWER by on October 25, 2012
heater core clogged?
COMMENT by on October 27, 2012
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