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Toyota Aurion: Random engine rattle

Like the reader who asked about a random rattle in his Toyota Aurion engine I have had it happen to mine in the last few months. When I removed the rocker cover I literally had a ball of gunk sitting in corner of the head. I too got my car regularly serviced as per the book with a Toyota dealer. I would suggest his car might need a proper engine oil flush including removal/clean of the sump before it gets too late for him.

If it is suspected that the rattle is coming from the engine then inspecting it, and flushing the system could be wise.

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