Mine is located at the rear port side of the engine compartment towards the bottom. Not terrible to get to but not great either.
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awesome, thanks. With 300+ hrs on the clock I guess I should probably just drain and flush the whole thing since Indmar recommends it at 300hrs.
Just a follow up on this in case it helps anyone out. I got a new heater pump and replaced the cracked one, drained the coolant out and replace with new coolant(since i was at 300+ hrs). I followed the instructions from Indmar. Spent a few hrs on the lake last week and the engine temp stayed nice an constant around 160. After leaving it overnight I checked the level in the coolant tank and it was a bit low so i topped it off. Everything seems to be great now.
Once I had mine fixed, had to top-off the levels 1-2x and all was consistent after that.
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