Thanks for the prompt reply.The Tstat should be in correctly.Last night I did get the cabin heat to work by running the car at idle with the rad cap off and just filling and filling for about 45 min. During that time the cabin heat and coolant temp were normal (or better than normal) but when I repl...

Ok, so I'm having a very similar (if not exactly the same) problem with my '03 Vibe GT. At the beginning of the cold season I noticed that the heat was not working as well. Then after about a week, the cabin heat would not even warm up at idle; I would have to actually get the car moving and then it...