Why does my 2009 Forester clink and clangs right after I shut the engine off on 2009 Subaru Forester

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Clanging noise right after I shut the engine off
(2) Answers
(3) Comments
Possible cat.conv. rattle. If auto. trans.poss.loose torque converter bolts.
May want to let a mechanic check it out.
Car runs fine and there is no check engine light on. Could it be as simple as the exhaust system cooling down?
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