2007 Sienna front heater stopped working

Asked by Sep 09, 2010 at 06:19 PM about the 2007 Toyota Sienna LE

Question type: Maintenance & Repair

Front heater stopped working, it just blows cold air - rear heat is fine. Any idea what is wrong?

3 Answers


On my 2005 Sienna heat only blows on driver side, while cold air blows on passenger and rear. Cost me $85 for my Toyota dealer to tell me he had no idea what the problem is. Any thots?

19 of 19 people found this helpful.

My 2005 Sienna has the same issue. I recently had the radiator out to to be tested for leaks. Needs replacing for $350 so I stuck it back in and used "Bars Leak" until I can get the $. The fluid I drained was diluted with green so I did not realize that it had once been red. I have now read that green with tap water will break loose deposits in the system (or something like that) and plug core. Have you done any work on yours lately? BTW "Bars Leak" did not help.

1 of 1 people found this helpful.

I don't think it is my rad, as I am getting good heat blowing to drivers side. Any other thots?

4 of 4 people found this helpful.

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