E46Fanatics - View Single Post - Heater no work so good
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Old 12-26-2011, 09:09 PM   #24
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Join Date: Jan 2005
Location: New England //M Posts: 56,959
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My Ride: 2000 328Ci 5sp SP
Originally Posted by chris98891 View Post
Update: definitely not the heater solenoid. Pulled it out, air tight when closed, fully open when triggered to open. Triggers when it should.

There was a surprisingly small amount of coolant in the hoses coming to it though. I have done maybe 5 or 6 cycles of what you told me, but the fluid level hasn't changed over the past 2.

My remaining suspects: still a stubborn bubble, interior temp sensor, or (shudder) the heater core.
If you put the heat to the max possible and you still do not get heat then it most likely is NOT the interior temp sensor (located in the dashboard climate control face panel).
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