| Yes, it slowly warms up and gets just under 1/2 way up the gauge and sticks. I will take your advice and keep messing with controls while driving. Maybe useful as a ruling out: I had coolant leakage issues for quite a while, but finally got to the bypass hoses -- once the clamps had time to settle after install, I haven't been leaking from the system at all (although the overflow definitely has some sort of leak and I find myself having to keep it topped off). I thought MAYBE it was low again (low coolant would definitely cause an issue with heater) -- but nope. It was fine.
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