95 Legacy EJ22 5MT, 98 Legacy EJ22 5MT, 99 Legacy Outback EJ25 4EAT "Agent 99", 01 Forester EJ25 4EAT
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496 Posts
I haven't seen one on any of my Legacys, but there's one on the '02 Forester I'm working on now (I don't recall seeing it on my late '99 Forester, but it might have been there). It's a cylindrical heat exchanger that mounts between the block and the oil filter and circulates coolant from the (otherwise plugged) coolant port just behind the filter to a second port in the thermostat housing via a pipe that runs just below the timing cover (maybe I got the flow direction backwards - doesn't matter).
Nobody over on the Forester forum has offered an argument for the desirability of this thing, but I continue to wonder about it. If I happen to find one on a boneyard engine, should I get it for retrofit onto my Legacy 2.5? That is, is it worth the trouble?
Nobody over on the Forester forum has offered an argument for the desirability of this thing, but I continue to wonder about it. If I happen to find one on a boneyard engine, should I get it for retrofit onto my Legacy 2.5? That is, is it worth the trouble?