Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Heating Problem on 2000 Honda Insight- 180K Miles › Re: Heating Problem on 2000 Honda Insight- 180K Miles November 4, 2012 at 7:53 am #474329 mckrishesParticipant Not too sure about a restriction in the coolant passages. I would expect more symptoms out of this. How about the water pump? Maybe it’s not pumping the coolant properly.