06 Dodge mini van. Heat and AC not good
make sure all the blend door are opening and closing
More info? The blower is weak or you have a lack of hot/cold air? I've had the temp. control knob break on a vehicle. It was a mechanical style knob and the cable attached to the back of it broke loose. If your heater core is clogged, you can try removing the in and out coolant lines and flushing yourself or taking to a shop. Best if you can use hot water and flush through one side for a while and then switch back and forth to try and break up sludge. Turn on the AC and check to see if the compressor is running. If intermittent or not at all, may be low on freon, bad compressor, pressure switch... Google for detailed solutions.
AC went out fully this year was working half ass till then but when AC was on heat kinda was blowing out driver and the rear area was blowing heat
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