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????
get very little heat,w/blower on. Thermostat is Ok 190deg.coolant level OK ?? on 1999 Volkswagen Passat
by alrodrigues in Roselle Park, NJ on October 25, 2012
2 answers 1 comment
ANSWER by your.mechanic , October 25, 2012
heater core clogged?
COMMENT by ziptie12 , October 27, 2012
ANSWER by ziptie12 , 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.