Hot-vast Posted January 10, 2021 Share Posted January 10, 2021 Not coming from any pulley or exhaust parts. Possibly something up with the parts involved in the timing chain. Has anyone heard this sound before ? IMG_3499.MOV Quote Link to comment Share on other sites More sharing options...
Dougster01 Posted January 18, 2021 Share Posted January 18, 2021 Hi, is your 06 Highlander a hybrid model? I do know that some hybrids with very high miles get a little noisy (or very noisy) upon a start-up in cold weather. Quote Link to comment Share on other sites More sharing options...
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